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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-F02M.xml

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<?xml version="1.0" encoding="UTF-8"?>
<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F02M" definition-exists="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Attention is drawn to the notes preceding class <class-ref scheme="cpc">F01</class-ref>.</note-paragraph><note-paragraph>In this subclass the following terms are used with the meanings indicated: <subnote type="bullet"><note-paragraph>&quot;Carburettors&quot; means essentially apparatus for mixing fuel with air, the fuel being brought into mixing contact with the air by lowering the air pressure, e.g. in a venturi; </note-paragraph><note-paragraph>&quot;Fuel injection apparatus&quot; means apparatus for introducing fuel into a space, e.g. engine cylinder, by pressurising the fuel, e.g. by a pump acting behind the fuel, and thus embraces the so-called &quot;solid fuel injection&quot; in which liquid fuel is introduced without any admixture of gas; </note-paragraph><note-paragraph>&quot;Low-pressure fuel injection&quot; means fuel injection in which the fuel-air mixture containing fuel thus injected will be substantially compressed in the compression stroke of the engine; </note-paragraph><note-paragraph>&quot;Pumping element&quot; means a single piston-cylinder unit in a reciprocating-piston fuel-injection pump or the equivalent unit in any other type of fuel-injection pump.</note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph><CPC-specific-note>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02M1/00" date-revised="2019-02-01" status="published"><classification-symbol>F02M1/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Carburettors for liquid fuels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M1/00" definition-exists="true" ipc-concordant="F02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors with means for facilitating engine&apos;s starting or its idling below operational temperatures</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M1/005" definition-exists="false" ipc-concordant="F02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Remote display or control for displaying the operational situation of the starter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M1/02" definition-exists="false" ipc-concordant="F02M1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the means to facilitate starting or idling being chokes for enriching fuel-air mixture </text><reference><text>automatic chokes <class-ref scheme="cpc">F02M1/08</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M1/04" definition-exists="false" ipc-concordant="F02M1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the means to facilitate starting or idling being auxiliary carburetting apparatus able to be put into, and out of, operation, e.g. having automatically-operated disc valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M1/043" definition-exists="false" ipc-concordant="F02M1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Auxiliary carburetting apparatus controlled by rotary sliding valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M1/046" definition-exists="false" ipc-concordant="F02M1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Auxiliary carburetting apparatus controlled by piston valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M1/06" definition-exists="false" ipc-concordant="F02M1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having axially-movable valves, e.g. piston-shaped</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M1/08" definition-exists="false" ipc-concordant="F02M1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the means to facilitate starting or idling becoming operative or inoperative automatically </text><reference><text>in connection with auxiliary carburetting apparatus <class-ref scheme="cpc">F02M1/04</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M1/10" definition-exists="false" ipc-concordant="F02M1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on engine temperature, e.g. having thermostat</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M1/12" definition-exists="false" ipc-concordant="F02M1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for electrically heating thermostat</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M1/14" definition-exists="false" ipc-concordant="F02M1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M1/14</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>dependent on pressure in combustion-air- or fuel-air-mixture intake </text><reference><text>dependent on both pressure in combustion-air or fuel-air-mixture intake and engine temperature <class-ref scheme="cpc">F02M1/10</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M1/16" definition-exists="false" ipc-concordant="F02M1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M1/16</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Other means for enriching fuel-air mixture during starting</text></title-part><title-part><text>Priming cups</text></title-part><title-part><text>using different fuels for starting and normal operation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M1/165" definition-exists="false" ipc-concordant="F02M1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vaporizing light fractions from the fuel and condensing them for use during starting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M1/18" definition-exists="false" ipc-concordant="F02M1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Enriching fuel-air mixture by depressing float to flood carburettor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M1/185" definition-exists="false" ipc-concordant="F02M1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M1/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Enriching the fuel-air mixture by altering the float chamber level by external means, e.g. by opening the input valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M3/00" definition-exists="true" ipc-concordant="F02M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M3/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Idling devices for carburettors </text><reference><text>with means for facilitating engine&apos;s idling below operational temperatures <class-ref scheme="cpc">F02M1/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M3/005" definition-exists="false" ipc-concordant="F02M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Idling fuel enrichment with motor driven instead of driving; Switching the fuel supply from the main to idling jet system</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M3/02" definition-exists="false" ipc-concordant="F02M3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing flow of idling fuel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/04" definition-exists="false" ipc-concordant="F02M3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>under conditions where engine is driven instead of driving, e.g. driven by vehicle running down hill</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M3/041" definition-exists="false" ipc-concordant="F02M3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removal of the fuel from the main jet system, e.g. by means of a pump</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M3/042" definition-exists="false" ipc-concordant="F02M3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel cut-off by altering the pressure in the float chamber; Arrangement of pneumatic accumulators for pressure equalization</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M3/043" definition-exists="false" ipc-concordant="F02M3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices as described in <class-ref scheme="cpc">F02M3/005</class-ref>, <class-ref scheme="cpc">F02M3/041</class-ref>, <class-ref scheme="cpc">F02M3/042</class-ref>, <class-ref scheme="cpc">F02M3/045</class-ref>, <class-ref scheme="cpc">F02M3/05</class-ref> and <class-ref scheme="cpc">F02M3/055</class-ref> and also equipped with additional air</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M3/045" definition-exists="false" ipc-concordant="F02M3/045" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of valves situated in the idling nozzle system, or the passage system, by electrical means or by a combination of electrical means with fluidic or mechanical means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M3/05" definition-exists="false" ipc-concordant="F02M3/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pneumatic or mechanical control, e.g. with speed regulation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M3/055" definition-exists="false" ipc-concordant="F02M3/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel flow cut-off by introducing air, e.g. brake air, into the idling fuel system</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M3/06" definition-exists="false" ipc-concordant="F02M3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Increasing idling speed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/062" definition-exists="false" ipc-concordant="F02M3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by altering as a function of motor r.p.m. the throttle valve stop or the fuel conduit cross-section by means of pneumatic or hydraulic means </text><reference><text>external damping elements <class-ref scheme="cpc">F02M19/122</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/065" definition-exists="false" ipc-concordant="F02M3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by randomly altering the throttle valve stop</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M3/067" definition-exists="false" ipc-concordant="F02M3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2003/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve for controlling the cross-section of the conduit being rotatable, but not being a screw-like valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/07" definition-exists="false" ipc-concordant="F02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by positioning the throttle flap stop, or by changing the fuel flow cross-sectional area, by electrical, electromechanical or electropneumatic means, according to engine speed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M3/075" definition-exists="false" ipc-concordant="F02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve altering the fuel conduit cross-section being a slidable valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M3/08" definition-exists="false" ipc-concordant="F02M3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other details of idling devices </text><reference><text>fighting ice-formation by heating idling ports <class-ref scheme="cpc">F02M15/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/09" definition-exists="false" ipc-concordant="F02M3/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M3/09</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Valves responsive to engine conditions, e.g. manifold vacuum </text><reference><text>carburettors with means for facilitating engine&apos;s idling below operational temperatures <class-ref scheme="cpc">F02M1/00</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/10" definition-exists="false" ipc-concordant="F02M3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M3/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Fuel metering pins</text></title-part><title-part><text>Nozzles</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M3/105" definition-exists="false" ipc-concordant="F02M3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2003/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Needle adjustment limiter caps</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/12" definition-exists="false" ipc-concordant="F02M3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Passageway systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M3/14" definition-exists="false" ipc-concordant="F02M3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Location of idling system outlet relative to throttle valve</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M5/00" definition-exists="true" ipc-concordant="F02M5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Float-controlled apparatus for maintaining a constant fuel level</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M5/02" definition-exists="false" ipc-concordant="F02M5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provisions to meet variations in carburettor position, e.g. upside-down position in aircraft</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M5/04" definition-exists="false" ipc-concordant="F02M5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with pivotally or rotatably mounted float chambers </text><CPC-specific-text><reference><text>basic adjustment of float chambers having variable position <class-ref scheme="cpc">F02M5/14</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M5/06" definition-exists="false" ipc-concordant="F02M5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having adjustable float mechanism, e.g. to meet dissimilarities in specific gravity of different fuels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M5/08" definition-exists="false" ipc-concordant="F02M5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having means for venting float chambers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M5/085" definition-exists="false" ipc-concordant="F02M5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of an overflow from the float chamber</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M5/10" definition-exists="false" ipc-concordant="F02M5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having means for preventing vapour lock, e.g. insulated float chambers or forced fuel circulation through float chamber with engine stopped</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M5/105" definition-exists="false" ipc-concordant="F02M5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Auxiliary input valve which can be regulated to obtain an increased fuel supply from the float chamber</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M5/12" definition-exists="true" ipc-concordant="F02M5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M5/12</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Other details, e.g. floats, valves, setting devices or tools</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M5/125" definition-exists="false" ipc-concordant="F02M5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shape of the jet needle</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M5/14" definition-exists="false" ipc-concordant="F02M5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M5/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Float chambers, e.g. adjustable in position </text><reference><text>float chamber with a built-in intermediate reservoir <class-ref scheme="cpc">F02M7/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M5/16" definition-exists="false" ipc-concordant="F02M5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Floats</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M7/00" definition-exists="true" ipc-concordant="F02M7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions </text><reference><text>choke valves for starting <class-ref scheme="cpc">F02M1/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M7/02" definition-exists="true" ipc-concordant="F02M7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M7/02</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Carburettors having aerated fuel spray nozzles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/025" definition-exists="false" ipc-concordant="F02M7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel cut-off by introducing brake air in the conduit system leading to the main jet </text><reference><text>fuel cut-off by introducing brake air into the idling fuel system <class-ref scheme="cpc">F02M3/055</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M7/04" definition-exists="false" ipc-concordant="F02M7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for enriching charge at high combustion-air flow</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/045" definition-exists="false" ipc-concordant="F02M7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical adjustment of the spray nozzle cross-section in connection with the choke</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M7/06" definition-exists="false" ipc-concordant="F02M7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/06</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>Means for enriching charge on sudden </text><CPC-specific-text><text>air</text></CPC-specific-text><text> throttle opening, i.e. at acceleration, e.g. storage means in passage way system</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/08" definition-exists="false" ipc-concordant="F02M7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using pumps</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/083" definition-exists="false" ipc-concordant="F02M7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>a pump sucking fuel from the conduit system leading to the spray nozzle downstream of the metering cross-section during deceleration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/087" definition-exists="false" ipc-concordant="F02M7/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>changing output according to temperature in engine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/093" definition-exists="false" ipc-concordant="F02M7/093" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>changing output according to intake vacuum</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M7/10" definition-exists="false" ipc-concordant="F02M7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/10</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means </text><reference><text>fuel aerating devices for influencing fuel/air ratio <class-ref scheme="cpc">F02M7/23</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/103" definition-exists="false" ipc-concordant="F02M7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with self-acting equaliser jets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/106" definition-exists="false" ipc-concordant="F02M7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluid amplifier as a device for influencing the fuel-air mixture</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/11" definition-exists="false" ipc-concordant="F02M7/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Altering float-chamber pressure </text><reference><text>enriching the fuel-air mixture during starting by depressing float to flood carburettor <class-ref scheme="cpc">F02M1/18</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M7/12" definition-exists="false" ipc-concordant="F02M7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves </text><reference><text><class-ref scheme="cpc">F02M7/24</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/127" definition-exists="false" ipc-concordant="F02M7/127" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Altering the float-chamber pressure </text><reference><text>enriching the fuel-air mixture during starting by depressing float to flood carburettor <class-ref scheme="cpc">F02M1/18</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/133" definition-exists="false" ipc-concordant="F02M7/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M7/133</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Auxiliary jets, i.e. operating only under certain conditions, e.g. full power </text><reference><text>means for enriching charge at high combustion-air flow <class-ref scheme="cpc">F02M7/04</class-ref>; means for enriching charge on sudden throttle opening, i.e. at acceleration <class-ref scheme="cpc">F02M7/06</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/14" definition-exists="false" ipc-concordant="F02M7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for controlling cross-sectional area of fuel spray nozzle </text><reference><text>dependent on air-throttle valve position <class-ref scheme="cpc">F02M7/22</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/16" definition-exists="false" ipc-concordant="F02M7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated automatically, e.g. dependent on exhaust-gas analysis</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M7/17" definition-exists="false" ipc-concordant="F02M7/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by a pneumatically adjustable piston-like element, e.g. constant depression carburettors</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/18" definition-exists="false" ipc-concordant="F02M7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for controlling cross-sectional area of fuel-metering orifice </text><reference><text>dependent on air-throttle position <class-ref scheme="cpc">F02M7/22</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/20" definition-exists="false" ipc-concordant="F02M7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated automatically, e.g. dependent on altitude</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/22" definition-exists="false" ipc-concordant="F02M7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fuel flow cross-sectional area being controlled dependent on air-throttle-valve position </text><reference><text>the throttle valve being slidably arranged transversely to air passage <class-ref scheme="cpc">F02M9/06</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/225" definition-exists="false" ipc-concordant="F02M7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The fuel orifice opening is controlled by a manually actuatable throttle valve so as to vary the cross-sectional area of the orifice</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M7/23" definition-exists="false" ipc-concordant="F02M7/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M7/23</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Fuel aerating devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M7/24" definition-exists="false" ipc-concordant="F02M7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M7/24</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Controlling flow of aerating air</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/245" definition-exists="false" ipc-concordant="F02M7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accessories, e.g. sieves, accelerating wheels, whirl generating devices and the like, for the intimate mixing of emulsifying air with fuel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/26" definition-exists="false" ipc-concordant="F02M7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on position of optionally operable throttle means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M7/28" definition-exists="false" ipc-concordant="F02M7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M7/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on temperature or pressure</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M9/00" definition-exists="true" ipc-concordant="F02M9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type </text><reference><text>register-type carburettors <class-ref scheme="cpc">F02M11/00</class-ref></text></reference></title-part><title-part><text>Carburettors having fuel-air mixing chambers of variable shape or position</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M9/02" definition-exists="false" ipc-concordant="F02M9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/023" definition-exists="false" ipc-concordant="F02M9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>General constructional elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/026" definition-exists="false" ipc-concordant="F02M9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with plate-like throttle valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/04" definition-exists="false" ipc-concordant="F02M9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with throttling valves sliding in a plane inclined to the passage</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/06" definition-exists="false" ipc-concordant="F02M9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M9/06</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>with means for varying cross-sectional area of fuel spray nozzle dependent on throttle position </text><reference><text>installations, operated automatically by a pneumatically adjustable piston-like element, for influencing fuel/air ratio <class-ref scheme="cpc">F02M7/17</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M9/065" definition-exists="false" ipc-concordant="F02M9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M9/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Automatically and not automatically controlled throttle valves operating mutually</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M9/08" definition-exists="false" ipc-concordant="F02M9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having throttling valves rotatably mounted in the passage</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/085" definition-exists="false" ipc-concordant="F02M9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel spray nozzles in the throttling valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M9/10" definition-exists="false" ipc-concordant="F02M9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having valves, or like controls, of elastic-wall type for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers </text><CPC-specific-text><text>or of the entry passage</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/103" definition-exists="false" ipc-concordant="F02M9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical control</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/106" definition-exists="false" ipc-concordant="F02M9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pneumatic or hydraulic control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M9/12" definition-exists="false" ipc-concordant="F02M9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having other specific means for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/121" definition-exists="false" ipc-concordant="F02M9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Iris diaphragms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/122" definition-exists="false" ipc-concordant="F02M9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of lamellae or wires, e.g. a hyperboloid formed by twisting a wire cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/123" definition-exists="false" ipc-concordant="F02M9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spiral springs</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/124" definition-exists="false" ipc-concordant="F02M9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle valves with an action corresponding to those in apparatus for re-atomising condensed fuel or homogenising fuel-air mixture </text><reference><text>shape of throttle valves <class-ref scheme="cpc">F02M3/14</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/125" definition-exists="false" ipc-concordant="F02M9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M9/125</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>specially shaped throttle valves not otherwise covered in groups <class-ref scheme="cpc">F02M9/121</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M9/124</class-ref></text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M9/127" definition-exists="false" ipc-concordant="F02M9/127" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Axially movable throttle valves concentric with the axis of the mixture passage</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M9/1275" definition-exists="false" ipc-concordant="F02M9/127" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/1275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venturi-nozzle shaped type, e.g. a venturi nozzle being moved relative to a fixed mushroom-shaped body</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M9/133" definition-exists="false" ipc-concordant="F02M9/133" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/133</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the throttle valves having mushroom-shaped bodies</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M9/14" definition-exists="false" ipc-concordant="F02M9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having venturi and nozzle relatively displaceable essentially along the venture axis</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M11/00" definition-exists="true" ipc-concordant="F02M11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-stage carburettors, Register-type carburettors, i.e. with slidable or rotatable throttling valves in which a plurality of fuel nozzles, other than only an idling nozzle and a main one, are sequentially exposed to air stream by throttling valve</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M11/02" definition-exists="false" ipc-concordant="F02M11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with throttling valve, e.g. of flap or butterfly type, in a later stage opening automatically</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M11/04" definition-exists="false" ipc-concordant="F02M11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the later stage valves having damping means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M11/06" definition-exists="false" ipc-concordant="F02M11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other carburettors with throttling valve of flap or butterfly type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M11/08" definition-exists="false" ipc-concordant="F02M11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Register carburettors with throttling valve movable transversally to air passage</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M11/10" definition-exists="false" ipc-concordant="F02M11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Register carburettors with rotatable throttling valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M11/105" definition-exists="false" ipc-concordant="F02M11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M11/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shape of the idling system</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M13/00" definition-exists="true" ipc-concordant="F02M13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of two or more separate carburettors </text><reference><text>re-atomising condensed fuel or homogenising fuel-air mixture <class-ref scheme="cpc">F02M29/00</class-ref></text></reference></title-part><title-part><text>Carburettors using more than one fuel </text><reference><text>apparatus for adding small quantities of secondary fuel <class-ref scheme="cpc">F02M25/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M13/02" definition-exists="false" ipc-concordant="F02M13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separate carburettors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M13/021" definition-exists="false" ipc-concordant="F02M13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular constructional measures of the intake conduits between carburettors and cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M13/023" definition-exists="false" ipc-concordant="F02M13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special construction of the control rods</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M13/025" definition-exists="false" ipc-concordant="F02M13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Equalizing pipes between the carburettors, e.g. between the float chambers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M13/026" definition-exists="false" ipc-concordant="F02M13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Common functional groups for several carburettors, e.g. common idling system</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M13/028" definition-exists="false" ipc-concordant="F02M13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tuning apparatus for multi-stage carburettors installations </text><reference><text>other carburettor tuning apparatus <class-ref scheme="cpc">F02M19/01</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M13/04" definition-exists="false" ipc-concordant="F02M13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>structurally united</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M13/043" definition-exists="false" ipc-concordant="F02M13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged in series, e.g. initial and main carburettor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M13/046" definition-exists="false" ipc-concordant="F02M13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged in parallel, e.g. initial and main carburettor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M13/06" definition-exists="false" ipc-concordant="F02M13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the carburettors using different fuels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M13/08" definition-exists="false" ipc-concordant="F02M13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors adapted to use liquid and gaseous fuels, e.g. alternatively</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M15/00" definition-exists="true" ipc-concordant="F02M15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M15/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Carburettors with heating, cooling or thermal insulating means for combustion-air, fuel, or fuel-air mixture</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M15/02" definition-exists="false" ipc-concordant="F02M15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with heating means, e.g. to combat ice-formation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M15/022" definition-exists="false" ipc-concordant="F02M15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M15/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>near to manually operated throttle valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M15/025" definition-exists="false" ipc-concordant="F02M15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M15/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel preheating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M15/027" definition-exists="false" ipc-concordant="F02M15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M15/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Air or air-fuel mixture preheating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M15/04" definition-exists="false" ipc-concordant="F02M15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the means being electrical</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M15/045" definition-exists="false" ipc-concordant="F02M15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M15/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the fuel system, e.g. built into the fuel conduits or nozzles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M15/06" definition-exists="false" ipc-concordant="F02M15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat shieldings, e.g. from engine radiations</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M17/00" definition-exists="true" ipc-concordant="F02M17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M17/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups <class-ref scheme="cpc">F02M1/00</class-ref> - <class-ref scheme="cpc">F02M15/00</class-ref> </text><reference><text>apparatus for treating combustion-air, fuel, or fuel-air mixture by catalysts, electric means, magnetism, rays, sonic waves, or the like <class-ref scheme="cpc">F02M27/00</class-ref>; combinations of carburettors and low-pressure fuel-injection apparatus <class-ref scheme="cpc">F02M71/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/02" definition-exists="false" ipc-concordant="F02M17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Floatless carburettors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/04" definition-exists="false" ipc-concordant="F02M17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having fuel inlet valve controlled by diaphragm</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/06" definition-exists="false" ipc-concordant="F02M17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having overflow chamber determining constant fuel level</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/08" definition-exists="false" ipc-concordant="F02M17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors having one or more fuel passages opening in a valve-seat surrounding combustion-air passage, the valve being opened by passing air</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/09" definition-exists="false" ipc-concordant="F02M17/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the valve being of an eccentrically mounted butterfly type</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/10" definition-exists="false" ipc-concordant="F02M17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors having one or more fuel passages opening in valve-member of air throttle</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/12" definition-exists="false" ipc-concordant="F02M17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the valve member being of butterfly type</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/14" definition-exists="false" ipc-concordant="F02M17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors with fuel-supply parts opened and closed in synchronism with engine stroke </text><CPC-specific-text><text>Valve carburettors</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/142" definition-exists="false" ipc-concordant="F02M17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the fuel exit nozzles in or near the valve seat or valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/145" definition-exists="false" ipc-concordant="F02M17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve being opened by the pressure of the passing fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/147" definition-exists="false" ipc-concordant="F02M17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valve carburettor with simultaneous air and fuel control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/16" definition-exists="true" ipc-concordant="F02M17/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M17/16</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Carburettors having continuously-rotating bodies, e.g. surface carburettors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/18" definition-exists="false" ipc-concordant="F02M17/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other surface carburettors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/20" definition-exists="false" ipc-concordant="F02M17/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel bath</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M17/22" definition-exists="false" ipc-concordant="F02M17/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with air bubbling through bath</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/24" definition-exists="false" ipc-concordant="F02M17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with wicks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/26" definition-exists="false" ipc-concordant="F02M17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with other wetted bodies</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M17/28" definition-exists="false" ipc-concordant="F02M17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fuel being drawn through a porous body</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/30" definition-exists="false" ipc-concordant="F02M17/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors with fire-protecting devices, e.g. combined with fire-extinguishing apparatus</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/32" definition-exists="false" ipc-concordant="F02M17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>automatically closing fuel conduits on outbreak of fire </text><CPC-specific-text><reference><text>fire protection devices for stopping flow from or in pipes or hoses <class-ref scheme="cpc">F16L55/1026</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/34" definition-exists="false" ipc-concordant="F02M17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M17/34</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Other carburettors combined or associated with other apparatus, e.g. air filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/36" definition-exists="false" ipc-concordant="F02M17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors having fitments facilitating their cleaning</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/38" definition-exists="false" ipc-concordant="F02M17/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling of carburettors, not otherwise provided for </text><reference><text>external control gear <class-ref scheme="cpc">F02M19/12</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/40" definition-exists="false" ipc-concordant="F02M17/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Selection of particular materials for carburettors, e.g. sheet metal, plastic, or translucent materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/42" definition-exists="false" ipc-concordant="F02M17/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Float-controlled carburettors not otherwise provided for</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/44" definition-exists="false" ipc-concordant="F02M17/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F02M17/44</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Carburettors characterised by draught direction and not otherwise provided for </text><CPC-specific-text><text>, e.g. for model aeroplanes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/46" definition-exists="false" ipc-concordant="F02M17/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with down- draught</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/48" definition-exists="false" ipc-concordant="F02M17/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with up- draught </text><CPC-specific-text><text>and float draught, e.g. for lawnmower and chain saw motors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/50" definition-exists="false" ipc-concordant="F02M17/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carburettors having means for combating ice-formation </text><reference><text>thermally <class-ref scheme="cpc">F02M15/02</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M17/52" definition-exists="false" ipc-concordant="F02M17/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M17/52</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Use of cold, produced by carburettors, for other purposes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M17/525" definition-exists="false" ipc-concordant="F02M17/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M17/525</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of the intake conduit vacuum</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M19/00" definition-exists="true" ipc-concordant="F02M19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M19/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups <class-ref scheme="cpc">F02M1/00</class-ref> - <class-ref scheme="cpc">F02M17/00</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M19/01" definition-exists="false" ipc-concordant="F02M19/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for testing, tuning, or synchronising carburettors, e.g. carburettor glow stands</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M19/02" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metering-orifices, e.g. variable in diameter </text><reference><text>variable during operation <class-ref scheme="cpc">F02M7/18</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0203" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the cross-sectional area being changed pneumatically, e.g. vacuum dependent</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0207" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the cross-sectional area being changed electrically</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/021" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the cross-sectional area being changed mechanically</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0214" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Changing the nozzle cross-sectional area as a function of temperature</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0217" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0217</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Movable mushroom-shaped spray nozzles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0221" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a roughened spray stimulating surface or the like, e.g. sieves near to the nozzle orifice</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0225" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of nozzle in the suction passage </text><reference><text>idling nozzles <class-ref scheme="cpc">F02M3/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0228" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ring nozzles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0232" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0232</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel nozzle with device for return flow of leaked fuel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0235" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements of several spray nozzles not provided for in <class-ref scheme="cpc">F02M3/00</class-ref> or <class-ref scheme="cpc">F02M11/00</class-ref></text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0239" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0239</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a fixed aerofoil profile</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0242" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with inserts of porous material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/0246" definition-exists="false" ipc-concordant="F02M19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/0246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nozzle cleaning</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/025" definition-exists="false" ipc-concordant="F02M19/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metering orifices not variable in diameter</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M19/03" definition-exists="true" ipc-concordant="F02M19/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M19/03</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Fuel atomising nozzles</text></title-part><title-part><text>Arrangement of emulsifying air conduits</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/035" definition-exists="false" ipc-concordant="F02M19/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mushroom-shaped atomising nozzles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M19/04" definition-exists="false" ipc-concordant="F02M19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-metering pins or needles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M19/06" definition-exists="false" ipc-concordant="F02M19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other details of fuel conduits</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/063" definition-exists="false" ipc-concordant="F02M19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Built-in electric heaters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/066" definition-exists="false" ipc-concordant="F02M19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Built-in cleaning elements, e.g. filters</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M19/08" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Venturis</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/081" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shape of venturis or cross-section of mixture passages being adjustable</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/082" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venturi section being axially slidable in the mixture passages</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/083" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venturi section consisting of a lamellae spring-like structure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/085" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>venturi section being made from elastic material, e.g. from rubber-like material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/086" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venturi suction bypass systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/087" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venturi throat consisting of automatically adjusting balls</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/088" definition-exists="false" ipc-concordant="F02M19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Whirl devices and other atomising means in or on the venturi walls</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/10" definition-exists="false" ipc-concordant="F02M19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F02M19/10</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>in multiple arrangement </text><CPC-specific-text><text>, e.g. arranged in series, fixed, arranged radially offset with respect to each other</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M19/105" definition-exists="false" ipc-concordant="F02M19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>movable axially relative to each other</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M19/12" definition-exists="false" ipc-concordant="F02M19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M19/12</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>External control gear, e.g. having dash-pots </text><reference><text>dampening means in later stages of multi-stage carburettors <class-ref scheme="cpc">F02M11/04</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/122" definition-exists="false" ipc-concordant="F02M19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Damping elements </text><reference><text>pneumatic or hydraulic means for increasing idling speed <class-ref scheme="cpc">F02M3/062</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/124" definition-exists="false" ipc-concordant="F02M19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connecting rods between at least two throttle valves </text><reference><text><class-ref scheme="cpc">F02M1/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/126" definition-exists="false" ipc-concordant="F02M19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connecting rods between at least a throttle valve and an accelerating pump </text><reference><text><class-ref scheme="cpc">F02M7/08</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M19/128" definition-exists="false" ipc-concordant="F02M19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M19/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reserve throttle idle return spring, e.g. for use upon failure of the main spring</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02M21/00" date-revised="2019-02-01" status="published"><classification-symbol>F02M21/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M21/00" definition-exists="true" ipc-concordant="F02M21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M21/02" definition-exists="true" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M21/02</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>for gaseous fuels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M21/0203" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the type of gaseous fuel</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0206" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-hydrocarbon fuels, e.g. hydrogen, ammonia or carbon monoxide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0209" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydrocarbon fuels, e.g. methane or acetylene</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0212" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>F02M21/0212</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>comprising at least 3 C-Atoms, e.g. liquefied petroleum gas [LPG], propane or butane</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0215" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M21/0218" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0221" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel storage reservoirs, e.g. cryogenic tanks</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0224" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Secondary gaseous fuel storages</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0227" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means to treat or clean gaseous fuels or fuel systems, e.g. removal of tar, cracking, reforming or enriching</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/023" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves; Pressure or flow regulators in the fuel supply or return system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0233" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of actuators therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0236" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multi-way valves; Multiple valves forming a multi-way valve system</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0239" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0239</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressure or flow regulators therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0242" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shut-off valves; Check valves; Safety valves; Pressure relief valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0245" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>High pressure fuel supply systems; Rails; Pumps; Arrangement of valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0248" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Injectors</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0251" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0251</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of actuators therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M21/0254" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electric actuators, e.g. solenoid or piezoelectric</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0257" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M21/026" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lift valves, i.e. stem operated valves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M21/0263" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inwardly opening single or multi nozzle valves, e.g. needle valves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02M21/0266" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hollow stem valves; Piston valves; Stems having a spherical tip</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M21/0269" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0269</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Outwardly opening valves, e.g. poppet valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M21/0272" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ball valves; Plate valves; Valves having deformable or flexible parts, e.g. membranes; Rotatable valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0275" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for in-cylinder direct injection, e.g. injector combined with spark plug</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0278" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Port fuel injectors for single or multipoint injection into the air intake system</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M21/0281" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0284" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of multiple injectors or fuel-air mixers per combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0287" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0287</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the transition from liquid to gaseous phase </text><reference><text><class-ref scheme="cpc">F02M21/06</class-ref> takes precedence</text></reference><text>; Injection in liquid phase; Cooling and low temperature storage</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/029" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement on engines or vehicle bodies; Conversion to gaseous fuel supply systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0293" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0293</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Safety devices; Fail-safe measures</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/0296" definition-exists="false" ipc-concordant="F02M21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/0296</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing or assembly; Materials, e.g. coatings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M21/04" definition-exists="true" ipc-concordant="F02M21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M21/04</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Gas-air mixing apparatus</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/042" definition-exists="false" ipc-concordant="F02M21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixer comprising a plurality of bores or flow passages</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/045" definition-exists="false" ipc-concordant="F02M21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vortex mixer</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M21/047" definition-exists="false" ipc-concordant="F02M21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venturi mixer</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M21/06" definition-exists="true" ipc-concordant="F02M21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M21/06</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Apparatus for de-liquefying, e.g. by heating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M21/08" definition-exists="false" ipc-concordant="F02M21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M21/08</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>for non-gaseous fuels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M21/10" definition-exists="false" ipc-concordant="F02M21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fuels with low melting point, e.g. apparatus having heating means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M21/12" definition-exists="false" ipc-concordant="F02M21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M21/12</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>for fuels in pulverised state</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02M23/00" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine-pertinent apparatus for feeding, or treating before their admission to engine, combustion-air, fuel, or fuel-air mixture </text><CPC-specific-text><text>treatment by admission of activating fluids</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M23/00" definition-exists="true" ipc-concordant="F02M23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for adding secondary air to fuel-air mixture</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/001" definition-exists="false" ipc-concordant="F02M23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>built into a flange</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/003" definition-exists="false" ipc-concordant="F02M23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular shape of air intake</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/005" definition-exists="false" ipc-concordant="F02M23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a damping element in the secondary air control</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/006" definition-exists="false" ipc-concordant="F02M23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves specially shaped for supplying secondary air</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M23/008" definition-exists="false" ipc-concordant="F02M23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2023/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by injecting compressed air directly into the combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/02" definition-exists="false" ipc-concordant="F02M23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with personal control, or with secondary-air valve controlled by main combustion-air throttle</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M23/025" definition-exists="false" ipc-concordant="F02M23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Optional operation by means of a hand or foot switch</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M23/03" definition-exists="false" ipc-concordant="F02M23/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the secondary air-valve controlled by main combustion-air throttle</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/04" definition-exists="false" ipc-concordant="F02M23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with automatic control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M23/06" definition-exists="false" ipc-concordant="F02M23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on engine speed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M23/062" definition-exists="false" ipc-concordant="F02M23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Secondary air flow cut-off at low speed</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M23/065" definition-exists="false" ipc-concordant="F02M23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Secondary air flow cut-off at high torque</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M23/067" definition-exists="false" ipc-concordant="F02M23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Secondary air admission flow at high speeds and with the main butterfly valve closed, e.g. during deceleration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M23/08" definition-exists="false" ipc-concordant="F02M23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M23/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>dependent on pressure in main combustion-air induction system </text><CPC-specific-text><text>, e.g. pneumatic-type apparatus</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M23/085" definition-exists="false" ipc-concordant="F02M23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for secondary air admission during braking or travelling down steep slopes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M23/09" definition-exists="false" ipc-concordant="F02M23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using valves directly opened by low pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M23/095" definition-exists="false" ipc-concordant="F02M23/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with balls which are not spring loaded</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M23/10" definition-exists="false" ipc-concordant="F02M23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on temperature, e.g. engine temperature</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/12" definition-exists="false" ipc-concordant="F02M23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by being combined with device for, or by secondary air effecting, re-atomising of condensed fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M23/14" definition-exists="false" ipc-concordant="F02M23/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M23/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by adding hot </text><CPC-specific-text><text>secondary</text></CPC-specific-text><text> air</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M25/00" definition-exists="true" ipc-concordant="F02M25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M25/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture </text><reference><text>adding secondary air to fuel-air mixture <class-ref scheme="cpc">F02M23/00</class-ref>; adding exhaust gases <class-ref scheme="cpc">F02M26/00</class-ref>; fuel-injection apparatus operating simultaneously on two or more fuels or on a liquid fuel and another liquid <class-ref scheme="cpc">F02M43/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M25/022" definition-exists="false" ipc-concordant="F02M25/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adding fuel and water emulsion, water or steam</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/0221" definition-exists="false" ipc-concordant="F02M25/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the water supply system, e.g. pumps or arrangement of valves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/0222" definition-exists="false" ipc-concordant="F02M25/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water recovery or storage</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/0224" definition-exists="false" ipc-concordant="F02M25/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water treatment or cleaning </text><reference><text><class-ref scheme="cpc">F02M25/032</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/0225" definition-exists="false" ipc-concordant="F02M25/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water atomisers or mixers, e.g. using ultrasonic waves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/0227" definition-exists="false" ipc-concordant="F02M25/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control aspects; Arrangement of sensors; Diagnostics; Actuators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/0228" definition-exists="false" ipc-concordant="F02M25/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adding fuel and water emulsion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/025" definition-exists="false" ipc-concordant="F02M25/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adding water</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/028" definition-exists="false" ipc-concordant="F02M25/028" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>into the charge intakes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/03" definition-exists="false" ipc-concordant="F02M25/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>into the cylinder </text><CPC-specific-text><text>or the pre-combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/032" definition-exists="false" ipc-concordant="F02M25/032" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/032</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Producing and adding steam</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/035" definition-exists="false" ipc-concordant="F02M25/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>into the charge intakes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/038" definition-exists="false" ipc-concordant="F02M25/038" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/038</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>into the cylinder </text><CPC-specific-text><text>or the pre-combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M25/06" definition-exists="true" ipc-concordant="F02M25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M25/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>adding lubricant vapours</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M25/08" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adding fuel vapours drawn from engine fuel reservoir </text><CPC-specific-text><reference><text>electrical control of purge system <class-ref scheme="cpc">F02D41/003</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/0809" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0809</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Judging failure of purge control system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/0818" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0818</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having means for pressurising the evaporative emission space</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M25/0827" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M25/0827</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by monitoring engine running conditions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/0836" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0836</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M25/0845" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2025/0845</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electromagnetic valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/0854" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0854</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the absorption canister</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M25/0863" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2025/0863</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means dealing with condensed fuel or water, e.g. having a liquid trap</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/0872" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/0872</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the fuel vapour pipes or conduits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M25/0881" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2025/0881</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means to heat or cool the canister</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/089" definition-exists="false" ipc-concordant="F02M25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Layout of the fuel vapour installation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M25/10" definition-exists="false" ipc-concordant="F02M25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M25/12" definition-exists="false" ipc-concordant="F02M25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M25/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the apparatus having means for generating such gases </text><reference><text>using rays and simultaneously generating ozone <class-ref scheme="cpc">F02M27/06</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M25/14" definition-exists="false" ipc-concordant="F02M25/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M25/14</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>adding anti-knock agents, not provided for in subgroups <class-ref scheme="cpc">F02M25/022</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M25/10</class-ref></text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M26/00" definition-exists="true" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/00</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M26/001" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/001</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>Arrangements; Control features; Details</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/002" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/002</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR valve being controlled by vacuum or overpressure</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M26/0025" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/0025</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>Intake vacuum or overpressure modulating valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/003" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/003</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR valve controlled by air measuring device</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/004" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/004</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR valve controlled by a temperature signal or an air/fuel ratio (lambda) signal</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/005" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/005</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR valve controlled by an engine speed signal</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/0055" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/0055</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR valve controlled by inertia, e.g. having a pendulum controlling the EGR valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/006" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/006</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR specially adapted for intake systems having two or more fuel injectors per cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/007" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/007</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR specially adapted for engines having two or more spark plugs per cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/008" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/008</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR specially adapted for engines having a combustion chamber divided by the piston at TDC into two or more sub-chambers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M26/009" definition-exists="false" ipc-concordant="F02M26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M2026/009</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>EGR combined with means to change air/fuel ratio, ignition timing, charge swirl in the cylinder</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/01" definition-exists="false" ipc-concordant="F02M26/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/01</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/02" definition-exists="false" ipc-concordant="F02M26/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/02</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>EGR systems specially adapted for supercharged engines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/03" definition-exists="false" ipc-concordant="F02M26/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/03</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with a single mechanically or electrically driven intake charge compressor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/04" definition-exists="false" ipc-concordant="F02M26/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/04</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with a single turbocharger</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/05" definition-exists="false" ipc-concordant="F02M26/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/05</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/06" definition-exists="false" ipc-concordant="F02M26/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/06</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/07" definition-exists="false" ipc-concordant="F02M26/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/07</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Mixed pressure loops, i.e. wherein recirculated exhaust gas is either taken out upstream of the turbine and reintroduced upstream of the compressor, or is taken out downstream of the turbine and reintroduced downstream of the compressor</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/08" definition-exists="false" ipc-concordant="F02M26/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/08</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>for engines having two or more intake charge compressors or exhaust gas turbines, e.g. a turbocharger combined with an additional compressor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/09" definition-exists="false" ipc-concordant="F02M26/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/09</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Constructional details, e.g. structural combinations of EGR systems and supercharger systems</text></title-part><title-part><text>Arrangement of the EGR and supercharger systems with respect to the engine</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/10" definition-exists="false" ipc-concordant="F02M26/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/10</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>having means to increase the pressure difference between the exhaust and intake system, e.g. venturis, variable geometry turbines, check valves using pressure pulsations or throttles in the air intake or exhaust system</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/11" definition-exists="false" ipc-concordant="F02M26/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/11</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Manufacture or assembly of EGR systems</text></title-part><title-part><text>Materials or coatings specially adapted for EGR systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/12" definition-exists="false" ipc-concordant="F02M26/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/12</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>characterised by means for attaching parts of an EGR system to each other or to engine parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/13" definition-exists="false" ipc-concordant="F02M26/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/13</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/14" definition-exists="false" ipc-concordant="F02M26/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/14</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in relation to the exhaust system</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/15" definition-exists="false" ipc-concordant="F02M26/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/15</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in relation to engine exhaust purifying apparatus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/16" definition-exists="false" ipc-concordant="F02M26/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/16</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with EGR valves located at or near the connection to the exhaust system</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/17" definition-exists="false" ipc-concordant="F02M26/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/17</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in relation to the intake system</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/18" definition-exists="false" ipc-concordant="F02M26/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/18</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Thermal insulation or heat protection</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/19" definition-exists="false" ipc-concordant="F02M26/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/19</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/20" definition-exists="false" ipc-concordant="F02M26/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/20</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Feeding recirculated exhaust gases directly into the combustion chambers or into the intake runners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/21" definition-exists="false" ipc-concordant="F02M26/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/21</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with EGR valves located at or near the connection to the intake system</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/22" definition-exists="false" ipc-concordant="F02M26/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/22</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with coolers in the recirculation passage</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/23" definition-exists="false" ipc-concordant="F02M26/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/23</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Layout, e.g. schematics</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/24" definition-exists="false" ipc-concordant="F02M26/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/24</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with two or more coolers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/25" definition-exists="false" ipc-concordant="F02M26/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/25</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with coolers having bypasses</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M26/26" definition-exists="false" ipc-concordant="F02M26/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/26</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>characterised by details of the bypass valve</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/27" definition-exists="false" ipc-concordant="F02M26/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/27</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with air-cooled heat exchangers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/28" definition-exists="false" ipc-concordant="F02M26/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/28</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with liquid-cooled heat exchangers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/29" definition-exists="false" ipc-concordant="F02M26/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/29</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/30" definition-exists="false" ipc-concordant="F02M26/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/30</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters</text></title-part><title-part><text>Coolers characterised by their location on the engine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/31" definition-exists="false" ipc-concordant="F02M26/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/31</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Air-cooled heat exchangers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/32" definition-exists="false" ipc-concordant="F02M26/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/32</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Liquid-cooled heat exchangers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/33" definition-exists="false" ipc-concordant="F02M26/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/33</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>controlling the temperature of the recirculated gases</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/34" definition-exists="false" ipc-concordant="F02M26/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/34</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with compressors, turbines or the like in the recirculation passage</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/35" definition-exists="false" ipc-concordant="F02M26/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/35</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/36" definition-exists="false" ipc-concordant="F02M26/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/36</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with means for adding fluids other than exhaust gas to the recirculation passage</text></title-part><title-part><text>with reformers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/37" definition-exists="false" ipc-concordant="F02M26/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/37</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with temporary storage of recirculated exhaust gas </text><reference><text>internal exhaust gas recirculation <class-ref scheme="cpc">F02M26/01</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/38" definition-exists="false" ipc-concordant="F02M26/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/38</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with two or more EGR valves disposed in parallel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/39" definition-exists="false" ipc-concordant="F02M26/39" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/39</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with two or more EGR valves disposed in series</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/40" definition-exists="false" ipc-concordant="F02M26/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/40</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with timing means in the recirculation passage, e.g. cyclically operating valves or regenerators</text></title-part><title-part><text>with arrangements involving pressure pulsations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/41" definition-exists="false" ipc-concordant="F02M26/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/41</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds</text></title-part><title-part><text>characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/42" definition-exists="false" ipc-concordant="F02M26/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/42</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>having two or more EGR passages</text></title-part><title-part><text>EGR systems specially adapted for engines having two or more cylinders</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/43" definition-exists="false" ipc-concordant="F02M26/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/43</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in which exhaust from only one cylinder or only a group of cylinders is directed to the intake of the engine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/44" definition-exists="false" ipc-concordant="F02M26/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/44</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in which a main EGR passage is branched into multiple passages</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/45" definition-exists="false" ipc-concordant="F02M26/45" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/45</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Sensors specially adapted for EGR systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/46" definition-exists="false" ipc-concordant="F02M26/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/46</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>for determining the characteristics of gases, e.g. composition</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/47" definition-exists="false" ipc-concordant="F02M26/47" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/47</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>the characteristics being temperatures, pressures or flow rates</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/48" definition-exists="false" ipc-concordant="F02M26/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/48</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>EGR valve position sensors </text><reference><text>details of the sensor installation in the valve housing <class-ref scheme="cpc">F02M26/72</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/49" definition-exists="false" ipc-concordant="F02M26/49" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/49</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Detecting, diagnosing or indicating an abnormal function of the EGR system</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/50" definition-exists="false" ipc-concordant="F02M26/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M26/50</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities </text><reference><text>arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases <class-ref scheme="cpc">F02M26/35</class-ref>; protection of EGR valves from damage <class-ref scheme="cpc">F02M26/74</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/51" definition-exists="false" ipc-concordant="F02M26/51" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/51</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>EGR valves combined with other devices, e.g. with intake valves or compressors </text><reference><text>combined with intake air throttles <class-ref scheme="cpc">F02M26/64</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/52" definition-exists="false" ipc-concordant="F02M26/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/52</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Systems for actuating EGR valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/53" definition-exists="false" ipc-concordant="F02M26/53" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/53</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>using electric actuators, e.g. solenoids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/54" definition-exists="false" ipc-concordant="F02M26/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/54</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Rotary actuators, e.g. step motors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/55" definition-exists="false" ipc-concordant="F02M26/55" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/55</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>using vacuum actuators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/56" definition-exists="false" ipc-concordant="F02M26/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/56</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>having pressure modulation valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/57" definition-exists="false" ipc-concordant="F02M26/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/57</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>using electronic means, e.g. electromagnetic valves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/58" definition-exists="false" ipc-concordant="F02M26/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/58</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Constructional details of the actuator</text></title-part><title-part><text>Mounting thereof</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/59" definition-exists="false" ipc-concordant="F02M26/59" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/59</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>using positive pressure actuators</text></title-part><title-part><text>Check valves therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/60" definition-exists="false" ipc-concordant="F02M26/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/60</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in response to air intake pressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/61" definition-exists="false" ipc-concordant="F02M26/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/61</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in response to exhaust pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M26/615" definition-exists="false" ipc-concordant="F02M26/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/615</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>the exhaust back pressure</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/62" definition-exists="false" ipc-concordant="F02M26/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/62</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>in response to fuel pressure</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/63" definition-exists="false" ipc-concordant="F02M26/63" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M26/63</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>the EGR valve being directly controlled by an operator </text><reference><text>the EGR valve being operated together with an intake air throttle <class-ref scheme="cpc">F02M26/64</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/64" definition-exists="false" ipc-concordant="F02M26/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02M26/64</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>the EGR valve being operated together with an intake air throttle</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M26/65" definition-exists="false" ipc-concordant="F02M26/65" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/65</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Constructional details of EGR valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/66" definition-exists="false" ipc-concordant="F02M26/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/66</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Lift valves, e.g. poppet valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/67" definition-exists="false" ipc-concordant="F02M26/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/67</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Pintles</text></title-part><title-part><text>Spindles</text></title-part><title-part><text>Springs</text></title-part><title-part><text>Bearings</text></title-part><title-part><text>Sealings</text></title-part><title-part><text>Connections to actuators</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/68" definition-exists="false" ipc-concordant="F02M26/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/68</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Closing members</text></title-part><title-part><text>Valve seats</text></title-part><title-part><text>Flow passages</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/69" definition-exists="false" ipc-concordant="F02M26/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/69</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>having two or more valve-closing members</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/70" definition-exists="false" ipc-concordant="F02M26/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/70</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Flap valves</text></title-part><title-part><text>Rotary valves</text></title-part><title-part><text>Sliding valves</text></title-part><title-part><text>Resilient valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/71" definition-exists="false" ipc-concordant="F02M26/71" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/71</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Multi-way valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/72" definition-exists="false" ipc-concordant="F02M26/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/72</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Housings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M26/73" definition-exists="false" ipc-concordant="F02M26/73" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/73</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>with means for heating or cooling the EGR valve</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M26/74" definition-exists="false" ipc-concordant="F02M26/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02M26/74</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>Protection from damage, e.g. shielding means</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M27/00" definition-exists="true" ipc-concordant="F02M27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M27/02" definition-exists="false" ipc-concordant="F02M27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by catalysts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M27/04" definition-exists="false" ipc-concordant="F02M27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electric means, </text><CPC-specific-text><text>ionisation, polarisation</text></CPC-specific-text><text> or magnetism</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M27/042" definition-exists="false" ipc-concordant="F02M27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M27/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by plasma</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M27/045" definition-exists="false" ipc-concordant="F02M27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M27/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by permanent magnets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M27/047" definition-exists="false" ipc-concordant="F02M27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2027/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a pulsating magnetic field</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M27/06" definition-exists="false" ipc-concordant="F02M27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M27/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by rays </text><CPC-specific-text><text>, e.g. infra-red and ultra-violet</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M27/065" definition-exists="false" ipc-concordant="F02M27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M27/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radioactive radiation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M27/08" definition-exists="false" ipc-concordant="F02M27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sonic or ultrasonic waves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M29/00" definition-exists="true" ipc-concordant="F02M29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture </text><reference><text>combined with secondary-air supply <class-ref scheme="cpc">F02M23/12</class-ref> </text><CPC-specific-text><text>; collecting condensed fuel <class-ref scheme="cpc">F02M33/02</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M29/02" definition-exists="false" ipc-concordant="F02M29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M29/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>having rotary parts </text><CPC-specific-text><text>, e.g. fan wheels</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M29/04" definition-exists="true" ipc-concordant="F02M29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M29/04</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>having screens, gratings, baffles or the like</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M29/06" definition-exists="false" ipc-concordant="F02M29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>generating whirling motion of mixture</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M29/08" definition-exists="false" ipc-concordant="F02M29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having spirally-wound wires</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M29/10" definition-exists="false" ipc-concordant="F02M29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adjustable</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M29/12" definition-exists="false" ipc-concordant="F02M29/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M29/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having homogenising valves held open by mixture current</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M29/14" definition-exists="false" ipc-concordant="F02M29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M29/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>re-atomising or homogenising being effected by unevenness of internal surfaces of mixture intake</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M31/00" definition-exists="true" ipc-concordant="F02M31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M31/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture </text><reference><text>carburettors with heating, cooling or thermal insulating means for combustion-air, fuel or fuel-air mixture <class-ref scheme="cpc">F02M15/00</class-ref>; apparatus for de-liquefying non-liquid fuels by heating <class-ref scheme="cpc">F02M21/06</class-ref>; apparatus having heating means for non-gaseous fuels with low melting point <class-ref scheme="cpc">F02M21/10</class-ref>; apparatus characterised by adding hot secondary air to fuel-air mixture <class-ref scheme="cpc">F02M23/14</class-ref>; fuel-injection apparatus characterised by having heating, cooling or thermally insulating means <class-ref scheme="cpc">F02M53/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M31/005" definition-exists="false" ipc-concordant="F02M31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M31/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a heat-pipe </text><reference><text>heat-pipe <u>per se</u> <class-ref scheme="cpc">F28D</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M31/02" definition-exists="false" ipc-concordant="F02M31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/02</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>for heating </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F02M31/005</class-ref> takes precedence;</text></CPC-specific-text><text> for purifying liquid fuel <class-ref scheme="cpc">F02M37/30</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M31/04" definition-exists="false" ipc-concordant="F02M31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combustion-air or fuel-air mixture </text><reference><text>electrically <class-ref scheme="cpc">F02M31/12</class-ref>; by using heat from working cylinders or cylinder heads <class-ref scheme="cpc">F02M31/14</class-ref>; heating of combustion-air as an engine starting aid <class-ref scheme="cpc">F02N7/04</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/042" definition-exists="false" ipc-concordant="F02M31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combustion air</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/045" definition-exists="false" ipc-concordant="F02M31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel-air mixture</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/047" definition-exists="false" ipc-concordant="F02M31/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for fuel enriched partial mixture flow path</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/06" definition-exists="false" ipc-concordant="F02M31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by hot gases, e.g. by mixing cold and hot air</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/062" definition-exists="false" ipc-concordant="F02M31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with thermostat and pneumatic actuator both working on the air mixture control valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/064" definition-exists="false" ipc-concordant="F02M31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pneumatically controlled </text><reference><text><class-ref scheme="cpc">F02M31/062</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/066" definition-exists="false" ipc-concordant="F02M31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>operated manually, e.g. by means of valves on the air filter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/068" definition-exists="false" ipc-concordant="F02M31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>particular constructional aspects of the switching devices, e.g. connecting linkage between two control valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/07" definition-exists="false" ipc-concordant="F02M31/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/07</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Temperature-responsive control, e.g. using thermostatically-controlled valves </text><reference><text>temperature-responsive control of the amount of exhaust gas or combustion air directed to the heat exchange surface <class-ref scheme="cpc">F02M31/083</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/08" definition-exists="false" ipc-concordant="F02M31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/08</classification-symbol><class-title date-revised="2016-02-01"><title-part><text>the gases being exhaust gases </text><CPC-specific-text><reference><text>adding exhaust gases to the air intake passage <class-ref scheme="cpc">F02M26/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M31/0805" definition-exists="false" ipc-concordant="F02M31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/0805</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Pneumatic control of the amount of exhaust gas or combustion air directed to the heat exchange surfaces, e.g. as a function of the pressure in the air intake passage</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M31/081" definition-exists="false" ipc-concordant="F02M31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manual switching of the fluids directed to the heat exchange surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M31/0815" definition-exists="false" ipc-concordant="F02M31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/0815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heat exchange surfaces arranged inside a flange</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M31/082" definition-exists="false" ipc-concordant="F02M31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular shape of air input passage near to the branch</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M31/0825" definition-exists="false" ipc-concordant="F02M31/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/0825</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular constructional characteristics of the heat exchange surfaces, e.g. finned pipes, coiled pipes or the like</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M31/083" definition-exists="false" ipc-concordant="F02M31/083" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature-responsive control of the amount of exhaust gas or combustion air directed to the heat exchange surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M31/087" definition-exists="false" ipc-concordant="F02M31/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat-exchange arrangements between the air intake and exhaust gas passages, e.g. by means of contact between the passages</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M31/093" definition-exists="false" ipc-concordant="F02M31/093" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air intake passage surrounding the exhaust gas passage</text></title-part><title-part><text>Exhaust gas passage surrounding the air intake passage</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/10" definition-exists="false" ipc-concordant="F02M31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by hot liquids, e.g. lubricants </text><CPC-specific-text><text>or cooling water</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/102" definition-exists="false" ipc-concordant="F02M31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular constructional characteristics of the shape of the heat exchange surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/105" definition-exists="false" ipc-concordant="F02M31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular constructional characteristics of the switching apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/107" definition-exists="false" ipc-concordant="F02M31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlled or manual switching</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M31/12" definition-exists="false" ipc-concordant="F02M31/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electrically</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/125" definition-exists="false" ipc-concordant="F02M31/125" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/13" definition-exists="false" ipc-concordant="F02M31/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combustion air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/135" definition-exists="false" ipc-concordant="F02M31/135" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/135</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-air mixture</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M31/14" definition-exists="false" ipc-concordant="F02M31/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using heat from working cylinders or cylinder heads</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/145" definition-exists="false" ipc-concordant="F02M31/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular constructional means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M31/16" definition-exists="false" ipc-concordant="F02M31/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other apparatus for heating fuel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/163" definition-exists="false" ipc-concordant="F02M31/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preheating by burning an auxiliary mixture</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/166" definition-exists="false" ipc-concordant="F02M31/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanical generation of heat, e.g. by surface friction</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M31/18" definition-exists="false" ipc-concordant="F02M31/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to vaporise fuel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/183" definition-exists="false" ipc-concordant="F02M31/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M31/186" definition-exists="false" ipc-concordant="F02M31/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M31/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with simultaneous mixing of secondary air</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M31/20" definition-exists="false" ipc-concordant="F02M31/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M31/20</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>for cooling </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F02M31/005</class-ref> takes precedence; use of cold <class-ref scheme="cpc">F02M17/52</class-ref>;</text></CPC-specific-text><text> cooling of charging-air or of scavenging-air <class-ref scheme="cpc">F02B29/04</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M31/205" definition-exists="false" ipc-concordant="F02M31/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M31/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M33/00" definition-exists="true" ipc-concordant="F02M33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M33/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Other apparatus for treating combustion-air, fuel or fuel-air mixture </text><reference><text>combustion-air cleaners <class-ref scheme="cpc">F02M35/00</class-ref>; arrangements for purifying liquid fuel <class-ref scheme="cpc">F02M37/22</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M33/02" definition-exists="false" ipc-concordant="F02M33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M33/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for collecting and returning condensed fuel </text><CPC-specific-text><reference><text>apparatus for re-atomising condensed fuel <class-ref scheme="cpc">F02M29/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M33/025" definition-exists="false" ipc-concordant="F02M33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M33/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means not otherwise provided for</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M33/04" definition-exists="false" ipc-concordant="F02M33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M33/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>returning to the intake passage</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M33/043" definition-exists="false" ipc-concordant="F02M33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M33/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating of the intake passage with a porous material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M33/046" definition-exists="false" ipc-concordant="F02M33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M33/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating of the intake passage with material preventing the formation of condensation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M33/06" definition-exists="false" ipc-concordant="F02M33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M33/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with simultaneous heat supply</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M33/08" definition-exists="false" ipc-concordant="F02M33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M33/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>returning to the fuel tank</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M35/00" definition-exists="true" ipc-concordant="F02M35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M35/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M35/02" definition-exists="true" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air cleaners</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/0201" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0201</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0202" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing or assembling; Materials for air cleaner housings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/0203" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using clamps, catches, locks or the like, e.g. for disposable plug-in filter cartridges</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0204" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for connecting or joining to other devices, e.g. pipes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0205" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details, e.g. sensors or measuring devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/0207" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on the clean air side</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/0208" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with sensing means on both, the air feeding side and the clean air side</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0209" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising flexible, resilient, movable or rotatable elements, e.g. with vibrating or contracting movements; Springs; Valves; Flaps </text><reference><text><class-ref scheme="cpc">F02M35/06</class-ref>, <class-ref scheme="cpc">F02M35/08</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/021" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements of air flow meters in or on air cleaner housings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/0212" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0212</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple cleaners</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0214" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged concentrically or coaxially</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0215" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged in parallel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0216" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged in series, e.g. pre- and main filter in series</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/0217" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0217</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting by electric discharge; Electrostatic precipitators therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/0218" definition-exists="false" ipc-concordant="F02M35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting by absorption or adsorption; trapping or removing vapours or liquids, e.g. originating from fuel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/022" definition-exists="false" ipc-concordant="F02M35/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0223" definition-exists="false" ipc-concordant="F02M35/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifugal forces, e.g. cyclones</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/0226" definition-exists="false" ipc-concordant="F02M35/022" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gravity or by mass inertia, e.g. labyrinths, deflectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/024" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using filters, e.g. moistened </text><reference><text><class-ref scheme="cpc">F02M35/026</class-ref> takes precedence; cleaning of the filtering material <class-ref scheme="cpc">F02M35/08</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/02408" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing filter elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/02416" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fixing, mounting, supporting or arranging filter elements; Filter element cartridges</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/02425" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Support structures increasing the stability or stiffness of the filter element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/02433" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special alignment with respect to the air intake flow, e.g. angled or in longitudinal flow direction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/02441" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials or structure of filter elements, e.g. foams</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/0245" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pleated, folded, corrugated filter elements, e.g. made of paper</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/02458" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02458</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of multiple layers, e.g. coarse and fine filters; Coatings; Impregnations; Wet or moistened filter elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/02466" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Meshes; Grids; Perforated plates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/02475" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the shape of the filter element</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/02483" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/02491" definition-exists="false" ipc-concordant="F02M35/024" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/02491</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flat filter elements, e.g. rectangular</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/026" definition-exists="false" ipc-concordant="F02M35/026" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>acting by guiding the air over or through an oil or other liquid bath, e.g. combined with filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/04" definition-exists="false" ipc-concordant="F02M35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M35/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>specially arranged with respect to engine </text><CPC-specific-text><text>, to intake system or specially adapted to vehicle</text></CPC-specific-text></title-part><title-part><text>Mounting thereon </text><CPC-specific-text><text>; Combinations with other devices </text><reference><text>combined with silencers <class-ref scheme="cpc">F02M35/14</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/042" definition-exists="false" ipc-concordant="F02M35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with other devices, e.g. heaters </text><reference><text><class-ref scheme="cpc">F02M35/021</class-ref>, <class-ref scheme="cpc">F02M35/06</class-ref>, <class-ref scheme="cpc">F02M35/14</class-ref> take precedence</text></reference><text>; for use other than engine air intake cleaning, e.g. air intake filters arranged in the fuel vapour recovery system</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/044" definition-exists="false" ipc-concordant="F02M35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special arrangements of cleaners in or with respect to the air intake system, e.g. in the intake plenum, in ducts or with respect to carburettors</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/046" definition-exists="false" ipc-concordant="F02M35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inline cleaners, i.e. the cleaner being arranged along the length of a wall of a pipe or manifold</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/048" definition-exists="false" ipc-concordant="F02M35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arranging or mounting on or with respect to engines or vehicle bodies</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/06" definition-exists="false" ipc-concordant="F02M35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combined or associated with engine&apos;s cooling blower or fan, or with flywheel</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/08" definition-exists="false" ipc-concordant="F02M35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for removing dust, </text><CPC-specific-text><text>particles or liquids</text></CPC-specific-text><text> from cleaners</text></title-part><title-part><text>with means for indicating clogging</text></title-part><title-part><text>with by-pass means; </text><CPC-specific-text><text>Regeneration of cleaners</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/082" definition-exists="false" ipc-concordant="F02M35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>By-pass means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/084" definition-exists="false" ipc-concordant="F02M35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/086" definition-exists="false" ipc-concordant="F02M35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/088" definition-exists="false" ipc-concordant="F02M35/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water, snow or ice proofing; Separation or drainage of water, snow or ice</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/09" definition-exists="false" ipc-concordant="F02M35/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M35/09</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Clogging indicators </text><CPC-specific-text><text>; Diagnosis or testing of air cleaners </text><reference><text>sensors therefore <class-ref scheme="cpc">F02M35/10373</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M35/10" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M35/10</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Air intakes</text></title-part><title-part><text>Induction systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/10006" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10013" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means upstream of the air filter; Connection to the ambient air</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10019" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10019</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means upstream of the fuel injection system, carburettor or plenum chamber </text><reference><text><class-ref scheme="cpc">F02M35/10013</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10026" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plenum chambers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10032" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially shaped or arranged connecting duct between carburettor or air inlet duct and the plenum chamber; specially positioned carburettors or throttle bodies with respect to the plenum chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10039" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Intake ducts situated partly within or on the plenum chamber housing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10045" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple plenum chambers; Plenum chambers having inner separation walls </text><reference><text>for V-engines <class-ref scheme="cpc">F02M35/116</class-ref>; for resonance charging <class-ref scheme="cpc">F02B27/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10052" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>special shapes or arrangements of plenum chambers; Constructional details</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10059" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Swirl chamber upstream of the plenum chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10065" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves arranged in the plenum chamber</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10072" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Intake runners</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10078" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connections of intake systems to the engine</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10085" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a connecting piece, e.g. a flange, between the engine and the air intake being foreseen with a throttle valve, fuel injector, mixture ducts or the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/10091" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10091</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by details of intake ducts: shapes; connections; arrangements </text><reference><text>ducts within or on the plenum chamber <class-ref scheme="cpc">F02M35/10039</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10098" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10098</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Straight ducts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10104" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Substantially vertically arranged ducts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10111" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10111</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Substantially V-, C- or U-shaped ducts in direction of the flow path</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10118" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>F02M35/10118</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>with variable cross-sections of intake ducts along their length; Venturis; Diffusers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10124" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ducts with special cross-sections, e.g. non-circular cross-section</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10131" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10131</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ducts situated in more than one plane; Ducts of one plane crossing ducts of another plane</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10137" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10137</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flexible ducts, e.g. bellows or hoses</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10144" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connections of intake ducts to each other or to another device</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1015" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the engine type </text><reference><text>engine intake manifolds <class-ref scheme="cpc">F02M35/104</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10157" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10157</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Supercharged engines</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/10163" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having air intakes specially adapted to selectively deliver naturally aspirated fluid or supercharged fluid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1017" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Small engines, e.g. for handheld tools, or model engines; Single cylinder engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10177" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10177</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Engines having multiple fuel injectors or carburettors per cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10183" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Engines having intake ducts fed from a separate carburettor or injector, the idling system being considered as a separate carburettor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1019" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1019</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two-stroke engines; Reverse-flow scavenged or cross scavenged engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10196" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10196</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Carburetted engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10203" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotary, e.g. &quot;Wankel&quot;, engines; Engines with cylinders in star arrangement; Radial piston engines; W-engines </text><reference><text><class-ref scheme="cpc">F02M35/112</class-ref> and <class-ref scheme="cpc">F02M35/116</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/10209" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluid connections to the air intake system; their arrangement of pipes, valves or the like</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10216" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10222" definition-exists="true" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10229" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F02M35/10229</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>the intake system acting as a vacuum or overpressure source for auxiliary devices, e.g. brake systems; Vacuum chambers </text><reference><text>air storage chamber <class-ref scheme="cpc">F02B21/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10236" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Overpressure or vacuum relief means; Burst protection</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/10242" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts </text><reference><text>filters <class-ref scheme="cpc">F02M35/02</class-ref>; silencers <class-ref scheme="cpc">F02M35/12</class-ref> and <class-ref scheme="cpc">F02M35/14</class-ref>; air coolers <class-ref scheme="cpc">F02B29/04</class-ref>; heaters <class-ref scheme="cpc">F02M31/00</class-ref>; air storage tanks <class-ref scheme="cpc">F02B21/00</class-ref>; compressors <class-ref scheme="cpc">F02B33/00</class-ref>; sensors <class-ref scheme="cpc">F02M35/10373</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10249" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10249</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrical or electronic devices fixed to the intake system; Electric wiring </text><reference><text>electric heaters <class-ref scheme="cpc">F02M31/12</class-ref>; sensors <class-ref scheme="cpc">F02M35/10373</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10255" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10255</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements of valves; Multi-way valves </text><reference><text><class-ref scheme="cpc">F02M35/10032</class-ref> takes precedence; valves in the plenum chamber <class-ref scheme="cpc">F02M35/10065</class-ref>; check valves <class-ref scheme="cpc">F02M35/10275</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10262" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow guides, obstructions, deflectors or the like </text><reference><text>for generating a charge motion in the cylinder <class-ref scheme="cpc">F02B31/00</class-ref>; for re-atomising condensed fuel or homogenising fuel-air mixture <class-ref scheme="cpc">F02M29/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10268" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating, cooling or thermal insulating means </text><reference><text>air coolers <class-ref scheme="cpc">F02B29/04</class-ref>; thermal treatment of combustion-air, fuel or fuel-air mixture <class-ref scheme="cpc">F02M31/00</class-ref>; details of the throttle valve housing <class-ref scheme="cpc">F02D9/1035</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10275" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means to avoid a change in direction of incoming fluid, e.g. all intake ducts diverging from plenum chamber at acute angles; Check valves; Flame arrestors for backfire prevention</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10281" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means to remove, re-atomise or redistribute condensed fuel; Means to avoid fuel particles from separating from the mixture </text><reference><text>apparatus for re-atomising condensed fuel or homogenising fuel-air mixture <class-ref scheme="cpc">F02M29/00</class-ref>; other apparatus for treating combustion-air, fuel or fuel-air mixture <class-ref scheme="cpc">F02M33/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10288" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10295" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Damping means, e.g. tranquillising chamber to dampen air oscillations </text><reference><text>intake silencers <class-ref scheme="cpc">F02M35/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10301" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10301</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flexible, resilient, pivotally or movable parts; Membranes </text><reference><text><class-ref scheme="cpc">F02M35/10255</class-ref> and <class-ref scheme="cpc">F02M35/10032</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10308" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Equalizing conduits, e.g. between intake ducts or between plenum chambers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/10314" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10314</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials for intake systems </text><reference><text>for sound damping <class-ref scheme="cpc">F02M35/12</class-ref>; for air cleaners <class-ref scheme="cpc">F02M35/02</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10321" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10321</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plastics; Composites; Rubbers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10327" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10327</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metals; Alloys </text><reference><text>catalysts <class-ref scheme="cpc">F02M27/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10334" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10334</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Foams; Fabrics; Porous media; Laminates; Ceramics; Coatings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1034" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing and assembling intake systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10347" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10347</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Moulding, casting or the like</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10354" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10354</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Joining multiple sections together </text><reference><text>joining plastic materials together in general <class-ref scheme="cpc">B29C65/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/1036" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by welding, bonding or the like </text><reference><text>welding plastic materials together in general <class-ref scheme="cpc">B29C65/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10367" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10367</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machining, e.g. milling, grinding, punching, sanding; Bending; Surface treatments</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/10373" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10373</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sensors for intake systems </text><reference><text>throttle position sensors <class-ref scheme="cpc">F02D9/105</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1038" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for temperature or pressure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10386" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for flow rate </text><reference><text>air flow meters in air cleaners <class-ref scheme="cpc">F02M35/021</class-ref>; circuit arrangements for generating control signals by measuring intake air flow <class-ref scheme="cpc">F02D41/18</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/10393" definition-exists="false" ipc-concordant="F02M35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/10393</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for characterising a multi-component mixture, e.g. for the composition such as humidity, density or viscosity</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/104" definition-exists="false" ipc-concordant="F02M35/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intake manifolds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1042" definition-exists="false" ipc-concordant="F02M35/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by provisions to avoid mixture or air supply from one plenum chamber to two successively firing cylinders</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1045" definition-exists="false" ipc-concordant="F02M35/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the charge distribution between the cylinders/combustion chambers or its homogenisation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1047" definition-exists="false" ipc-concordant="F02M35/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by some cylinders being fed from one side of engine block and the other cylinders being fed from the other side of engine block</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/108" definition-exists="false" ipc-concordant="F02M35/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M35/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with primary and secondary intake passages</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/1085" definition-exists="false" ipc-concordant="F02M35/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M35/1085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the combustion chamber having multiple intake valves </text><reference><text>modifying induction systems for imparting a rotation to the charge in the cylinder and having multiple air inlets <class-ref scheme="cpc">F02B31/08</class-ref>; shape or arrangement of intake or exhaust channels in cylinder heads <class-ref scheme="cpc">F02F1/42</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/112" definition-exists="false" ipc-concordant="F02M35/112" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M35/112</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>for engines with cylinders all in one line</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/116" definition-exists="false" ipc-concordant="F02M35/116" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M35/116</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/1165" definition-exists="false" ipc-concordant="F02M35/116" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M35/1165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Boxer or pancake engines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M35/12" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intake silencers </text><CPC-specific-text><text>Sound modulation, transmission or amplification </text><reference><text>intake silencers also used as exhaust silencer <class-ref scheme="cpc">F01N13/007</class-ref>; filters for compressors <class-ref scheme="cpc">F04B39/16</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1205" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow throttling or guiding</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1211" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using inserts in the air intake flow path, e.g. baffles, throttles or orifices; Flow guides </text><reference><text><class-ref scheme="cpc">F02M35/1244</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1216" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1222" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using adjustable or movable elements, e.g. valves, membranes, bellows, expanding or shrinking elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1227" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using multiple air intake flow paths, e.g. bypass, honeycomb or pipes opening into an expansion chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1233" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using expansion chambers in the air intake flow path</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1238" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1238</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using secondary connections to the ambient, e.g. covered by a membrane or a porous member</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1244" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using interference; Masking or reflecting sound</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/125" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using active elements, e.g. speakers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1255" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1255</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using resonance</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1261" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Helmholtz resonators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/1266" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising multiple chambers or compartments</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1272" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using absorbing, damping, insulating or reflecting materials, e.g. porous foams, fibres, rubbers, fabrics, coatings or membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1277" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1277</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reinforcement of walls, e.g. with ribs or laminates; Walls having air gaps or additional sound damping layers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1283" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing or assembly; Connectors; Fixations</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1288" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with or integrated into other devices </text><reference><text><class-ref scheme="cpc">F02M35/14</class-ref> takes precedence</text></reference><text>; Plurality of air intake silencers </text><reference><text><class-ref scheme="cpc">F02M35/1266</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/1294" definition-exists="false" ipc-concordant="F02M35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/1294</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Amplifying, modulating, tuning or transmitting sound, e.g. directing sound to the passenger cabin; Sound modulation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M35/14" definition-exists="false" ipc-concordant="F02M35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combined air cleaners and silencers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M35/16" definition-exists="true" ipc-concordant="F02M35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M35/16</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>characterised by use in vehicles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/161" definition-exists="false" ipc-concordant="F02M35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/162" definition-exists="false" ipc-concordant="F02M35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Motorcycles; All-terrain vehicles, e.g. quads, snowmobiles; Small vehicles, e.g. forklifts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/164" definition-exists="false" ipc-concordant="F02M35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F02M35/164</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Heavy duty vehicles, e.g. trucks, trains, agricultural or construction machines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M35/165" definition-exists="false" ipc-concordant="F02M35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Marine vessels; Ships; Boats</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M35/167" definition-exists="false" ipc-concordant="F02M35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having outboard engines; Jet-skis</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M35/168" definition-exists="false" ipc-concordant="F02M35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M35/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means, e.g. valves, to prevent water entry</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M37/00" definition-exists="true" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M37/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus</text></title-part><title-part><text>Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M37/0011" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/0017" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>related to fuel pipes or their connections, e.g. joints or sealings </text><reference><text><class-ref scheme="cpc">F02M55/004</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/0023" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves in the fuel supply and return system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/0029" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressure regulator in the low pressure fuel system </text><reference><text>pressure regulator in low-pressure injection apparatus <class-ref scheme="cpc">F02M69/54</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/0035" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermo sensitive valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/0041" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for damping pressure pulsations </text><reference><text>equalisation of pulses in positive displacement pumps <class-ref scheme="cpc">F04B1/00</class-ref>; devices for damping fluid pulsations in pipes <class-ref scheme="cpc">F16L55/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M37/0047" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Layout or arrangement of systems for feeding fuel </text><reference><text>fuel injection apparatus characterised by their conduits and venting means <class-ref scheme="cpc">F02M55/00</class-ref>; fuel injection apparatus having a common rail <class-ref scheme="cpc">F02M63/0225</class-ref>; arrangement of fuel conduits of low pressure fuel injection apparatus <class-ref scheme="cpc">F02M69/462</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/0052" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details on the fuel return circuit; Arrangement of pressure regulators</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/0058" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Returnless fuel systems, i.e. the fuel return lines are not entering the fuel tank</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/0064" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition </text><reference><text>controlling engines working with pluralities of fuels <class-ref scheme="cpc">F02D19/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/007" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M37/0076" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the fuel feeding system related to the fuel tank </text><reference><text>vehicle fuel tanks <class-ref scheme="cpc">B60K15/03</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/0082" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices inside the fuel tank other than fuel pumps or filters </text><reference><text>electrical pumps submerged in fuel tanks <class-ref scheme="cpc">F02M37/10</class-ref>, jet pumps <class-ref scheme="cpc">F02M37/025</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/0088" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple separate fuel tanks or tanks being at least partially partitioned</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/0094" definition-exists="false" ipc-concordant="F02M37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Saddle tanks; Tanks having partition walls</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M37/02" definition-exists="false" ipc-concordant="F02M37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feeding by means of suction apparatus, e.g. by air flow through carburettors </text><reference><text>by driven pumps <class-ref scheme="cpc">F02M37/04</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/025" definition-exists="false" ipc-concordant="F02M37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding by means of a liquid fuel-driven jet pump </text><reference><text>jet pumps <u>per se</u> <class-ref scheme="cpc">F04F</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M37/04" definition-exists="true" ipc-concordant="F02M37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M37/04</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Feeding by means of driven pumps</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/041" definition-exists="false" ipc-concordant="F02M37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for driving gear-type pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/043" definition-exists="false" ipc-concordant="F02M37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for driving reciprocating piston-type pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/045" definition-exists="false" ipc-concordant="F02M37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for driving rotary positive-displacement pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/046" definition-exists="false" ipc-concordant="F02M37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for driving diaphragm-type pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/048" definition-exists="false" ipc-concordant="F02M37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for driving regenerative pumps, i.e. side-channel pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/06" definition-exists="false" ipc-concordant="F02M37/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mechanically driven</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/08" definition-exists="false" ipc-concordant="F02M37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electrically driven</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M37/082" definition-exists="false" ipc-concordant="F02M37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2037/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the entry of the current supply lines into the pump housing, e.g. wire connectors, grommets, plugs or sockets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M37/085" definition-exists="false" ipc-concordant="F02M37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2037/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electric circuits therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M37/087" definition-exists="false" ipc-concordant="F02M37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2037/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling fuel pressure valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/10" definition-exists="false" ipc-concordant="F02M37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>submerged in fuel, e.g. in reservoir</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M37/103" definition-exists="false" ipc-concordant="F02M37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting pumps on fuel tanks</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M37/106" definition-exists="false" ipc-concordant="F02M37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the pump being installed in a sub-tank</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/12" definition-exists="false" ipc-concordant="F02M37/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fluid-driven, e.g. by compressed combustion-air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/14" definition-exists="false" ipc-concordant="F02M37/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pumps being combined with other apparatus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/16" definition-exists="false" ipc-concordant="F02M37/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by provision of personally-, e.g. manually-, operated pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/18" definition-exists="false" ipc-concordant="F02M37/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by provision of main and auxiliary pumps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M37/20" definition-exists="false" ipc-concordant="F02M37/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M37/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by means for preventing vapour lock</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M37/22" definition-exists="false" ipc-concordant="F02M37/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/22</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/24" definition-exists="false" ipc-concordant="F02M37/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/24</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>characterised by water separating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/26" definition-exists="false" ipc-concordant="F02M37/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/26</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>with water detection means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M37/28" definition-exists="false" ipc-concordant="F02M37/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/28</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>with means activated by the presence of water, e.g. alarms or means for automatic drainage</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/30" definition-exists="false" ipc-concordant="F02M37/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/30</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>characterised by heating means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/32" definition-exists="true" ipc-concordant="F02M37/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/32</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>characterised by filters or filter arrangements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/34" definition-exists="false" ipc-concordant="F02M37/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/34</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>by the filter structure, e.g. honeycomb, mesh or fibrous</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/36" definition-exists="false" ipc-concordant="F02M37/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/36</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>with bypass means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/38" definition-exists="false" ipc-concordant="F02M37/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/38</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>with regeneration means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/40" definition-exists="false" ipc-concordant="F02M37/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/40</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>with means for detection of clogging</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/42" definition-exists="false" ipc-concordant="F02M37/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/42</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Installation or removal of filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/44" definition-exists="false" ipc-concordant="F02M37/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/44</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Filters structurally associated with pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/46" definition-exists="false" ipc-concordant="F02M37/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/46</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Filters structurally associated with pressure regulators</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/48" definition-exists="false" ipc-concordant="F02M37/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/48</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Filters structurally associated with fuel valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/50" definition-exists="false" ipc-concordant="F02M37/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/50</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Filters arranged in or on fuel tanks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M37/52" definition-exists="false" ipc-concordant="F02M37/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/52</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>using magnetic means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M37/54" definition-exists="true" ipc-concordant="F02M37/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M37/54</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>characterised by air purging means </text><reference><text>having priming pumps <class-ref scheme="cpc">F02M37/16</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02M39/00" date-revised="2013-01-01" status="published"><classification-symbol>F02M39/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus </text><reference><text>carrying the fuel into cylinders by high-pressure gas <class-ref scheme="cpc">F02M67/00</class-ref>; low-pressure fuel-injection <class-ref scheme="cpc">F02M69/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M39/00" definition-exists="true" ipc-concordant="F02M39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M39/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Arrangements of fuel-injection apparatus with respect to engines</text></title-part><title-part><text>Pump drives adapted to such arrangements </text><reference><text>fuel-injection apparatus in which injection pumps are driven, or injectors are actuated, by the pressure in engine working cylinders, or by impact of engine working piston <class-ref scheme="cpc">F02M49/00</class-ref>; arrangements of injectors <class-ref scheme="cpc">F02M61/14</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Low-pressure fuel injection is classified in groups <class-ref scheme="cpc">F02M51/00</class-ref>, <class-ref scheme="cpc">F02M69/00</class-ref> or <class-ref scheme="cpc">F02M71/00</class-ref>. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M39/005" definition-exists="false" ipc-concordant="F02M39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M39/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements of fuel feed-pumps with respect to fuel injection apparatus </text><reference><text><class-ref scheme="cpc">F02M37/00</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M39/02" definition-exists="true" ipc-concordant="F02M39/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M39/02</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Arrangements of fuel-injection apparatus to facilitate the driving of pumps</text></title-part><title-part><text>Arrangements of fuel-injection pumps</text></title-part><title-part><text>Pump drives</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M41/00" definition-exists="true" ipc-concordant="F02M41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M41/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M41/02" definition-exists="false" ipc-concordant="F02M41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the distributor being spaced from pumping elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M41/04" definition-exists="false" ipc-concordant="F02M41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the distributor reciprocating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M41/042" definition-exists="false" ipc-concordant="F02M41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of mechanical drive</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M41/045" definition-exists="false" ipc-concordant="F02M41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of hydraulic or pneumatic drive</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M41/047" definition-exists="false" ipc-concordant="F02M41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of electric drive</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M41/06" definition-exists="true" ipc-concordant="F02M41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the distributor rotating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M41/063" definition-exists="false" ipc-concordant="F02M41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the distributor and rotary valve controlling fuel passages to pumping elements being combined</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M41/066" definition-exists="false" ipc-concordant="F02M41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for adjusting the rotary valve-distributor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M41/08" definition-exists="false" ipc-concordant="F02M41/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the distributor and pumping elements being combined</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M41/10" definition-exists="false" ipc-concordant="F02M41/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pump pistons acting as the distributor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M41/12" definition-exists="false" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pistons rotating to act as the distributor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M41/121" definition-exists="true" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with piston arranged axially to driving shaft </text><reference><text><class-ref scheme="cpc">F02M41/123</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M41/122" definition-exists="true" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with piston arranged radially to driving shaft </text><reference><text><class-ref scheme="cpc">F02M41/123</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M41/123" definition-exists="false" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by means for varying fuel delivery or injection timing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M41/124" definition-exists="true" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttling of fuel passages to or from the pumping chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M41/125" definition-exists="true" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variably-timed valves controlling fuel passages</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M41/126" definition-exists="true" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>valves being mechanically or electrically adjustable sleeves slidably mounted on rotary piston</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M41/127" definition-exists="true" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>valves being fluid-actuated slide-valves, e.g. differential rotary-piston pump</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M41/128" definition-exists="false" ipc-concordant="F02M41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Varying injection timing by angular adjustment of the face-cam or the rollers support</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M41/14" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rotary distributor supporting pump pistons</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M41/1405" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/1405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pistons being disposed radially with respect to rotation axis</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M41/1411" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/1411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by means for varying fuel delivery or injection timing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M41/1416" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/1416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices specially adapted for angular adjustment of annular cam</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M41/1422" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/1422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Injection being effected by means of a free-piston displaced by the pressure of fuel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M41/1427" definition-exists="true" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/1427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for metering fuel admitted to pumping chambers, e.g. by shuttles or by throttle-valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M41/1433" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/1433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pistons being parallel to rotation axis</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M41/1438" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements or details pertaining to the devices classified in <class-ref scheme="cpc">F02M41/14</class-ref> and subgroups</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1444" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1444</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feed-pumps; Arrangements or pressure regulation therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/145" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle valves for metering fuel to the pumping chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1455" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1455</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shuttles <u>per se</u>, or shuttles associated with throttle valve for metering fuel admitted to the pumping chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1461" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Axial displacement of rotor for varying piston stroke or for controlling fuel passages</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1466" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Piston-stroke variation by other means than axial displacement of rotor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1472" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02M2041/1472</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>Devices for limiting maximum delivery or for providing excess fuel for starting or for correcting advance at starting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1477" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Releasing fuel pressure or adjusting quantity-time characteristics of fuel delivery, e.g. by conducting pressurised fuel to a variable volume space, an accumulator or a return conduit</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1483" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variably timed valves controlling fuel passages, e.g. sleeve-valves mounted on the rotor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1488" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electric actuation of valves or other parts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M41/1494" definition-exists="false" ipc-concordant="F02M41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2041/1494</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of cams, tappets, rotors, venting means, specially arranged valves, e.g. in the rotor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M41/16" definition-exists="false" ipc-concordant="F02M41/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M41/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the distributor being fed from a constant pressure source, e.g. accumulator </text><CPC-specific-text><text>or constant pressure positive displacement pumps</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M43/00" definition-exists="true" ipc-concordant="F02M43/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>F02M43/00</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M43/02" definition-exists="false" ipc-concordant="F02M43/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M43/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps peculiar thereto</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M43/04" definition-exists="false" ipc-concordant="F02M43/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M43/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors peculiar thereto</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M45/00" definition-exists="true" ipc-concordant="F02M45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M45/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship </text><CPC-specific-text><reference><text>pumps having such delivery by means of delivery valves <class-ref scheme="cpc">F02M59/462</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M45/02" definition-exists="true" ipc-concordant="F02M45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with each cyclic delivery being separated into two or more parts</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M45/04" definition-exists="true" ipc-concordant="F02M45/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M45/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with a small initial part </text><CPC-specific-text><text>, e.g. initial part for partial load and initial and main part for full load</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M45/06" definition-exists="false" ipc-concordant="F02M45/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps peculiar thereto</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M45/063" definition-exists="false" ipc-concordant="F02M45/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Delivery stroke of piston being divided into two or more parts, e.g. by using specially shaped cams</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M45/066" definition-exists="true" ipc-concordant="F02M45/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Having specially arranged spill port and spill contour on the piston </text><reference><text><class-ref scheme="cpc">F02M45/063</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M45/08" definition-exists="false" ipc-concordant="F02M45/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors peculiar thereto</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M45/083" definition-exists="false" ipc-concordant="F02M45/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Having two or more closing springs acting on injection-valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M45/086" definition-exists="true" ipc-concordant="F02M45/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Having more than one injection-valve controlling discharge orifices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M45/10" definition-exists="false" ipc-concordant="F02M45/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other injectors with multiple-part delivery, e.g. with vibrating valves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M45/12" definition-exists="true" ipc-concordant="F02M45/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M45/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>providing a continuous </text><CPC-specific-text><text>cyclic</text></CPC-specific-text><text> delivery with variable pressure</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M47/00" definition-exists="true" ipc-concordant="F02M47/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M47/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure </text><reference><text>fuel- injectors actuated by the pressure in engine working cylinders <class-ref scheme="cpc">F02M49/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M47/02" definition-exists="false" ipc-concordant="F02M47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M47/022" definition-exists="true" ipc-concordant="F02M47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanically actuated valves draining the chamber to release the closing pressure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M47/025" definition-exists="true" ipc-concordant="F02M47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydraulically actuated valves draining the chamber to release the closing pressure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M47/027" definition-exists="true" ipc-concordant="F02M47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrically actuated valves draining the chamber to release the closing pressure</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M47/04" definition-exists="true" ipc-concordant="F02M47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using fluid, other than fuel, for injection-valve actuation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M47/043" definition-exists="false" ipc-concordant="F02M47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluid pressure acting on injection-valve in the period of non-injection to keep it closed</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M47/046" definition-exists="false" ipc-concordant="F02M47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluid pressure acting on injection-valve in the period of injection to open it</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M47/06" definition-exists="true" ipc-concordant="F02M47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M47/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other fuel injectors peculiar thereto</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M49/00" definition-exists="true" ipc-concordant="F02M49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M49/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus in which injection pumps are driven or injectors are actuated, by the pressure in engine working cylinders, or by impact of engine working piston</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M49/02" definition-exists="false" ipc-concordant="F02M49/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M49/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using the cylinder pressure, e.g. compression end pressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M49/04" definition-exists="false" ipc-concordant="F02M49/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M49/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using the piston impact</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M51/00" definition-exists="true" ipc-concordant="F02M51/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus characterised by being operated electrically</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M51/005" definition-exists="false" ipc-concordant="F02M51/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M51/02" definition-exists="true" ipc-concordant="F02M51/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M51/02</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>specially for low-pressure fuel-injection </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F02M51/005</class-ref> takes precedence;</text></CPC-specific-text><text> pumps<u>per se</u> <class-ref scheme="cpc">F02M51/04</class-ref>; injectors <u>per se</u> <class-ref scheme="cpc">F02M51/08</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M51/04" definition-exists="false" ipc-concordant="F02M51/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps peculiar thereto</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M51/06" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M51/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors peculiar thereto </text><CPC-specific-text><text>with means directly operating the valve needle</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M51/0603" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0603</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using piezo-electric or magnetostrictive operating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M51/0607" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the actuator being hollow, e.g. with needle passing through the hollow space</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M51/061" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromagnetic operating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M51/0614" definition-exists="false" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0614</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by arrangement of electromagnets or fixed armature</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M51/0617" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0617</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having two or more electromagnets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M51/0621" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0621</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting on one mobile armature </text><reference><text><class-ref scheme="cpc">F02M51/0628</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M51/0625" definition-exists="false" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by arrangement of mobile armatures</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M51/0628" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0628</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a stepped armature</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M51/0632" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0632</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a spherically or partly spherically shaped armature, e.g. acting as valve body</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M51/0635" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0635</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a plate-shaped or undulated armature not entering the winding </text><reference><text>if entering the winding <class-ref scheme="cpc">F02M51/0664</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M51/0639" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0639</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the armature acting as a valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M51/0642" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the armature having a valve attached thereto</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M51/0646" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve being a short body, e.g. sphere or cube</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02M51/065" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve being spherical or partly spherical</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M51/0653" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0653</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve being an elongated body, e.g. a needle valve</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02M51/0657" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0657</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the body being hollow and its interior communicating with the fuel flow</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M51/066" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the armature and the valve being allowed to move relatively to each other or not being attached to each other</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M51/0664" definition-exists="false" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0664</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M51/0667" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0667</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the armature acting as a valve or having a short valve body attached thereto</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M51/0671" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0671</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the armature having an elongated valve body attached thereto</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M51/0675" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve body having cylindrical guiding or metering portions, e.g. with fuel passages</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02M51/0678" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0678</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>all portions having fuel passages, e.g. flats, grooves, diameter reductions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M51/0682" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0682</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the body being hollow and its interior communicating with the fuel flow </text><reference><text><class-ref scheme="cpc">F02M51/0675</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M51/0685" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0685</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the armature and the valve being allowed to move relatively to each other or not being attached to each other</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M51/0689" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0689</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and permanent magnets </text><reference><text><class-ref scheme="cpc">F02M51/0696</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M51/0692" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0692</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>as valve or armature return means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M51/0696" definition-exists="true" ipc-concordant="F02M51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M51/0696</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the use of movable windings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M51/08" definition-exists="false" ipc-concordant="F02M51/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M51/08</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>specially for low-pressure fuel-injection</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M53/00" definition-exists="true" ipc-concordant="F02M53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M53/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M53/02" definition-exists="true" ipc-concordant="F02M53/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M53/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel-heating means, e.g. for vaporising</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M53/04" definition-exists="true" ipc-concordant="F02M53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M53/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors with heating, cooling, or thermally-insulating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M53/043" definition-exists="false" ipc-concordant="F02M53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M53/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with cooling means other than air cooling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M53/046" definition-exists="false" ipc-concordant="F02M53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M53/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with thermally-insulating means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M53/06" definition-exists="true" ipc-concordant="F02M53/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M53/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel-heating means, e.g. for vaporising</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M53/08" definition-exists="false" ipc-concordant="F02M53/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M53/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with air cooling</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M55/00" definition-exists="true" ipc-concordant="F02M55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus characterised by their fuel conduits or their venting means; </text><CPC-specific-text><text>Arrangements of conduits between fuel tank and pump <class-ref scheme="cpc">F02M37/00</class-ref> </text><reference><text>venting in general <class-ref scheme="cpc">B01D19/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M55/001" definition-exists="false" ipc-concordant="F02M55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pumps with means for preventing erosion on fuel discharge</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M55/002" definition-exists="false" ipc-concordant="F02M55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of leakage or drain conduits in or from injectors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M55/004" definition-exists="true" ipc-concordant="F02M55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Joints; Sealings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M55/005" definition-exists="false" ipc-concordant="F02M55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for high pressure conduits, e.g. connected to pump outlet or to injector inlet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M55/007" definition-exists="true" ipc-concordant="F02M55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venting means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M55/008" definition-exists="true" ipc-concordant="F02M55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of fuel passages inside of injectors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M55/02" definition-exists="false" ipc-concordant="F02M55/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M55/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Conduits between injection pumps and injectors </text><CPC-specific-text><text>, e.g. conduits between pump and common-rail or conduits between common-rail and injectors</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M55/025" definition-exists="false" ipc-concordant="F02M55/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M55/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Common rails</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M55/04" definition-exists="false" ipc-concordant="F02M55/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02M55/04</classification-symbol><class-title date-revised="2017-05-01"><title-part><text>Means for damping vibrations </text><CPC-specific-text><text>or pressure fluctuations</text></CPC-specific-text><text> in injection pump inlets </text><CPC-specific-text><text>or outlets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M57/00" definition-exists="true" ipc-concordant="F02M57/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M57/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injectors combined or associated with other devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M57/005" definition-exists="false" ipc-concordant="F02M57/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the devices being sensors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M57/02" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors structurally combined with fuel-injection pumps</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M57/021" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the injector being of valveless type, e.g. the pump piston co-operating with a conical seat of an injection nozzle at the end of the pumping stroke</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M57/022" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the pump drive</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M57/023" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mechanical</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M57/024" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with hydraulic link for varying the piston stroke</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M57/025" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hydraulic, e.g. with pressure amplification</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M57/026" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M57/027" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electric</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M57/028" definition-exists="false" ipc-concordant="F02M57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pneumatic </text><reference><text>using engine cylinder pressure <class-ref scheme="cpc">F02M49/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M57/04" definition-exists="false" ipc-concordant="F02M57/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the devices being combustion-air intake or exhaust valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M57/06" definition-exists="false" ipc-concordant="F02M57/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M57/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the devices being sparking plugs</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M59/00" definition-exists="true" ipc-concordant="F02M59/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M59/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Pumps specially adapted for fuel-injection and not provided for in groups <class-ref scheme="cpc">F02M39/00</class-ref> -<class-ref scheme="cpc">F02M57/00</class-ref> </text><CPC-specific-text><text>, e.g. rotary cylinder-block type of pumps</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M59/02" definition-exists="false" ipc-concordant="F02M59/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of reciprocating-piston </text><CPC-specific-text><text>or reciprocating-cylinder</text></CPC-specific-text><text> type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/022" definition-exists="false" ipc-concordant="F02M59/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having an accumulator storing pressurised fuel during pumping stroke of the piston for subsequent delivery to the injector</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/025" definition-exists="false" ipc-concordant="F02M59/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by a single piston</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/027" definition-exists="false" ipc-concordant="F02M59/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Unit-pumps, i.e. single piston and cylinder pump-units, e.g. for cooperating with a camshaft</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/04" definition-exists="false" ipc-concordant="F02M59/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft </text><CPC-specific-text><text>or swash-plate type pumps </text><reference><text>with rotary valve <class-ref scheme="cpc">F02M59/362</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/06" definition-exists="true" ipc-concordant="F02M59/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cylinders arranged radially to driving shaft, e.g. in V or star arrangement</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/08" definition-exists="false" ipc-concordant="F02M59/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by two or more pumping elements with conjoint outlet </text><CPC-specific-text><text>or several pumping elements feeding one engine cylinder </text><reference><text>feeding common rails <class-ref scheme="cpc">F02M63/0225</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/10" definition-exists="false" ipc-concordant="F02M59/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the piston-drive</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/102" definition-exists="false" ipc-concordant="F02M59/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical drive, e.g. tappets or cams </text><reference><text><class-ref scheme="cpc">F02M45/063</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/105" definition-exists="false" ipc-concordant="F02M59/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hydraulic drive </text><reference><text><class-ref scheme="cpc">F02M59/32</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/107" definition-exists="false" ipc-concordant="F02M59/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pneumatic drive, e.g. crankcase pressure drive </text><reference><text><class-ref scheme="cpc">F02M49/00</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M59/12" definition-exists="false" ipc-concordant="F02M59/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having other positive-displacement pumping elements, e.g. rotary</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/14" definition-exists="false" ipc-concordant="F02M59/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of elastic-wall type</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M59/16" definition-exists="false" ipc-concordant="F02M59/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by having multi-stage compression of fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M59/18" definition-exists="false" ipc-concordant="F02M59/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the pumping action being achieved through release of pre-compressed springs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M59/20" definition-exists="false" ipc-concordant="F02M59/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M59/20</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Varying fuel delivery in quantity or timing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/205" definition-exists="false" ipc-concordant="F02M59/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quantity of fuel admitted to pumping elements being metered by an auxiliary metering device</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/22" definition-exists="false" ipc-concordant="F02M59/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Varying quantity </text><CPC-specific-text><text>or timing</text></CPC-specific-text><text> by adjusting cylinder-head space</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/24" definition-exists="false" ipc-concordant="F02M59/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with constant-length-stroke pistons having variable effective portion of stroke</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/243" definition-exists="false" ipc-concordant="F02M59/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>caused by movement of cylinders relative to their pistons</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M59/246" definition-exists="false" ipc-concordant="F02M59/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanisms therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/26" definition-exists="false" ipc-concordant="F02M59/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>caused by movements of pistons relative to their cylinders</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M59/265" definition-exists="false" ipc-concordant="F02M59/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the arrangement or form of spill port of spill contour on the piston </text><reference><text><class-ref scheme="cpc">F02M45/066</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M59/28" definition-exists="false" ipc-concordant="F02M59/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanisms therefor</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/30" definition-exists="false" ipc-concordant="F02M59/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with variable-length-stroke pistons </text><CPC-specific-text><reference><text>swash-plate type pumps <class-ref scheme="cpc">F02M59/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/32" definition-exists="true" ipc-concordant="F02M59/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection </text><CPC-specific-text><reference><text>combined with rotary distributor supporting pump pistons <class-ref scheme="cpc">F02M41/1422</class-ref>; low pressure fuel-injection <class-ref scheme="cpc">F02M69/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/34" definition-exists="false" ipc-concordant="F02M59/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M59/34</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by throttling of passages to pumping elements or of overflow passages </text><CPC-specific-text><text>, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/36" definition-exists="true" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by variably-timed valves controlling fuel passages </text><CPC-specific-text><text>to pumping elements or overflow passages</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/361" definition-exists="false" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves being actuated mechanically</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M59/362" definition-exists="true" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M59/362</classification-symbol><class-title date-revised="2019-02-01"><title-part><CPC-specific-text><text>Rotary valves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M59/363" definition-exists="false" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arrangements for adjusting the rotary valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/365" definition-exists="false" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>valves being actuated by the fluid pressure produced in an auxiliary pump, e.g. pumps with differential pistons; Regulated pressure of supply pump actuating a metering valve, e.g. a sleeve surrounding the pump piston</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/366" definition-exists="true" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves being actuated electrically</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M59/367" definition-exists="true" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/367</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pump inlet valves of the check valve type being open when actuated</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M59/368" definition-exists="true" ipc-concordant="F02M59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pump inlet valves being closed when actuated</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M59/38" definition-exists="false" ipc-concordant="F02M59/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M59/38</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Pumps characterised by adaptations to special uses or conditions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/40" definition-exists="false" ipc-concordant="F02M59/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for reversible engines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/42" definition-exists="true" ipc-concordant="F02M59/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for starting of engines </text><CPC-specific-text><reference><text>supply of excess fuel <class-ref scheme="cpc">F02M59/447</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M59/44" definition-exists="false" ipc-concordant="F02M59/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M59/44</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups <class-ref scheme="cpc">F02M59/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M59/42</class-ref>; </text><CPC-specific-text><text>Pumps having transducers, e.g. to measure displacement of pump rack or piston</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/442" definition-exists="false" ipc-concordant="F02M59/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>means preventing fuel leakage around pump plunger, e.g. fluid barriers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/445" definition-exists="false" ipc-concordant="F02M59/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selection of particular materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/447" definition-exists="false" ipc-concordant="F02M59/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/447</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>means specially adapted to limit fuel delivery or to supply excess of fuel temporarily, e.g. for starting of the engine </text><reference><text>combined with fuel pump regulating devices <class-ref scheme="cpc">F02D</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/46" definition-exists="true" ipc-concordant="F02M59/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M59/46</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/462" definition-exists="false" ipc-concordant="F02M59/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Delivery valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/464" definition-exists="false" ipc-concordant="F02M59/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inlet valves of the check valve type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/466" definition-exists="true" ipc-concordant="F02M59/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrically operated valves, e.g. using electromagnetic or piezo-electric operating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M59/468" definition-exists="false" ipc-concordant="F02M59/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using piezo-electric operating means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M59/48" definition-exists="false" ipc-concordant="F02M59/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Assembling</text></title-part><title-part><text>Disassembling</text></title-part><title-part><text>Replacing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M59/485" definition-exists="false" ipc-concordant="F02M59/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M59/485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for fixing delivery valve casing and barrel to each other or to pump casing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M61/00" definition-exists="true" ipc-concordant="F02M61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M61/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Fuel-injectors not provided for in groups <class-ref scheme="cpc">F02M39/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M57/00</class-ref> or <class-ref scheme="cpc">F02M67/00</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M61/02" definition-exists="false" ipc-concordant="F02M61/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of valveless type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M61/04" definition-exists="true" ipc-concordant="F02M61/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M61/04</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>having valves </text><CPC-specific-text><text>, e.g. having a plurality of valves in series</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/042" definition-exists="false" ipc-concordant="F02M61/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The valves being provided with fuel passages</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/045" definition-exists="false" ipc-concordant="F02M61/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The valves being provided with fuel discharge orifices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/047" definition-exists="false" ipc-concordant="F02M61/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valves being formed by deformable nozzle parts, e.g. flexible plates or discs with fuel discharge orifices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/06" definition-exists="false" ipc-concordant="F02M61/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the valves being furnished at seated ends with pintle or plug shaped extensions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/08" definition-exists="false" ipc-concordant="F02M61/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the valves opening in direction of fuel flow </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F02M61/047</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/10" definition-exists="false" ipc-concordant="F02M61/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other injectors with elongated valve bodies, i.e. of needle-valve type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/12" definition-exists="false" ipc-concordant="F02M61/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the provision of guiding or centring means for valve bodies</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M61/14" definition-exists="false" ipc-concordant="F02M61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of injectors with respect to engines</text></title-part><title-part><text>Mounting of injectors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/145" definition-exists="false" ipc-concordant="F02M61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the injection nozzle opening into the air intake conduit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M61/16" definition-exists="false" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M61/16</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Details not provided for in, or of interest apart from, the apparatus of groups <class-ref scheme="cpc">F02M61/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M61/14</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/161" definition-exists="true" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for adjusting injection-valve lift</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/162" definition-exists="false" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means to impart a whirling motion to fuel upstream or near discharging orifices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/163" definition-exists="false" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means being injection-valves with helically or spirally shaped grooves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/165" definition-exists="true" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filtering elements specially adapted in fuel inlets to injector</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/166" definition-exists="false" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selection of particular materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/167" definition-exists="false" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for compensating clearance or thermal expansion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/168" definition-exists="true" ipc-concordant="F02M61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Assembling; Disassembling; Manufacturing; Adjusting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/18" definition-exists="true" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injection nozzles, e.g. having valve seats; </text><CPC-specific-text><text>Details of valve member seated ends, not otherwise provided for</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/1806" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1806</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the arrangement of discharge orifices, e.g. orientation or size</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M61/1813" definition-exists="true" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1813</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge orifices having different orientations with respect to valve member direction of movement, e.g. orientations being such that fuel jets emerging from discharge orifices collide with each other</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M61/182" definition-exists="true" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge orifices being situated in different transversal planes with respect to valve member direction of movement</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M61/1826" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1826</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge orifices having different sizes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M61/1833" definition-exists="true" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge orifices having changing cross sections, e.g. being divergent</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M61/184" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/184</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge orifices having non circular sections</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M61/1846" definition-exists="true" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1846</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dimensional characteristics of discharge orifices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/1853" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1853</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Orifice plates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M61/186" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multi-layered orifice plates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/1866" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valve seats or member ends having multiple cones</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/1873" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/1873</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/188" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02M61/188</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>Spherical or partly spherical shaped valve member ends</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/1886" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M61/1886</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Details of valve seats not covered by groups <class-ref scheme="cpc">F02M61/1866</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M61/188</class-ref></text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/1893" definition-exists="false" ipc-concordant="F02M61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M61/1893</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Details of valve member ends not covered by groups <class-ref scheme="cpc">F02M61/1866</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M61/188</class-ref></text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M61/20" definition-exists="false" ipc-concordant="F02M61/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M61/20</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Closing valves mechanically, e.g. arrangements of springs or weights </text><CPC-specific-text><text>or permanent magnets; Damping of valve lift</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M61/205" definition-exists="true" ipc-concordant="F02M61/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M61/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M63/00" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02M63/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Other fuel-injection apparatus having pertinent characteristics not provided for in groups <class-ref scheme="cpc">F02M39/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M57/00</class-ref> or <class-ref scheme="cpc">F02M67/00</class-ref></text></title-part><title-part><text>Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups <class-ref scheme="cpc">F02M39/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M61/00</class-ref> or <class-ref scheme="cpc">F02M67/00</class-ref>; </text><CPC-specific-text><text>Combination of fuel pump with other devices, e.g. lubricating oil pump</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M63/0001" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil </text><reference><text>lubrication of engines <class-ref scheme="cpc">F01M</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M63/0003" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure </text><reference><text>having a distributor <class-ref scheme="cpc">F02M41/16</class-ref>; low pressure fuel injection <class-ref scheme="cpc">F02M69/14</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0005" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using valves actuated by fluid pressure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0007" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrically actuated valves </text><reference><text>injection valves <class-ref scheme="cpc">F02M51/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0008" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mechanically actuated valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M63/001" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel-injection apparatus having injection valves held closed mechanically, e.g. by springs, and opened by a cyclically-operated mechanism for a time </text><reference><text><class-ref scheme="cpc">F02M67/12</class-ref> takes precedence; operated by fluid pressure <class-ref scheme="cpc">F02M47/00</class-ref>; operated electrically <class-ref scheme="cpc">F02M51/06</class-ref>; opened by fuel pressure <class-ref scheme="cpc">F02M61/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M63/0012" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves </text><reference><text>for fuel metering <u>see</u> the relevant groups, e.g. <class-ref scheme="cpc">F02M59/34</class-ref>; inlet or outlet check valves for fuel injection pumps <class-ref scheme="cpc">F02M59/46</class-ref>; for fuel injectors <u>see</u> the relevant groups, e.g. <class-ref scheme="cpc">F02M61/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0014" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the valve actuating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0015" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electrical, e.g. using solenoid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0017" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromagnetic operating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M63/0019" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0019</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the arrangement of electromagnets or fixed armatures</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M63/0021" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the arrangement of mobile armatures</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02M63/0022" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the armature and the valve being allowed to move relatively to each other</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0024" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with permanent magnet</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0026" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using piezoelectric or magnetostrictive actuators</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0028" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hydraulic</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0029" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a pilot valve controlling a hydraulic chamber</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0031" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0033" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0035" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Poppet valves, i.e. having a mushroom-shaped valve member that moves perpendicularly to the plane of the valve seat</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0036" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with spherical or partly spherical shaped valve member ends</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0038" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>rotary</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/004" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0042" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with valve seats of the lift valve type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0043" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two-way valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0045" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Three-way valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0047" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Four-way valves or valves with more than four ways</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0049" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0049</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combined valve units, e.g. for controlling pumping chamber and injection valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/005" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressure relief valves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0052" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for adjusting the opening pressure, e.g. electrically controlled</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0054" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Check valves </text><reference><text><class-ref scheme="cpc">F02M59/462</class-ref>, <class-ref scheme="cpc">F02M59/464</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0056" definition-exists="true" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttling valves, e.g. having variable opening positions throttling the flow</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0057" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for avoiding fuel contact with valve actuator, e.g. isolating actuators by using bellows or diaphragms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0059" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements of valve actuators</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0061" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Single actuator acting on two or more valve bodies</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0063" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two or more actuators acting on a single valve body</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0064" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two or more actuators acting on two or more valve bodies</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0066" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combination of electromagnetic and piezoelectric or magnetostrictive actuators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0068" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Actuators specially adapted for partial and full opening of the valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/007" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M63/007</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Details not provided for in, or of interest apart from, the apparatus of the groups <class-ref scheme="cpc">F02M63/0014</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M63/0059</class-ref></text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0071" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by guiding or centering means in valves including the absence of any guiding means, e.g. &quot;flying arrangements&quot;</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0073" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressure balanced valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0075" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0077" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valve seat details</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0078" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valve member details, e.g. special shape, hollow or fuel passages in the valve member</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/008" definition-exists="false" ipc-concordant="F02M63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hollow valve members, e.g. members internally guided</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M63/02" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M63/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector</text></title-part><title-part><text>Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors</text></title-part><title-part><text>Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0205" definition-exists="true" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors </text><reference><text>safety devices acting on engine fuel system on lubricant pressure failure <class-ref scheme="cpc">F01M1/24</class-ref></text></reference><text>; for cutting-out pumps for stopping the engine</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/021" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by locking pump pistons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0215" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by draining or closing fuel conduits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/022" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by acting on fuel control mechanism</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M63/0225" definition-exists="true" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel-injection apparatus having a common rail feeding several injectors </text><reference><text><class-ref scheme="cpc">F02M63/0003</class-ref> takes precedence</text></reference><text>; Means for varying pressure in common rails; Pumps feeding common rails</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/023" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for varying pressure in common rails </text><reference><text>pressure control <class-ref scheme="cpc">F02D41/3845</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0235" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bleeding fuel pressure</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M63/024" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between the low pressure pump and the high pressure pump</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M63/0245" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between the high pressure pump and the common rail</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M63/025" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from the common rail</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/026" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for reducing the pressure in common rails at power off </text><reference><text>pressure control <class-ref scheme="cpc">F02D41/3845</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0265" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pumps feeding common rails</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/027" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>More than one high pressure pump feeding a single common rail</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M63/0275" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of common rails</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/028" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Returnless common rail system</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M63/0285" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having more than one common rail</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M63/029" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F02M63/029</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>per cylinder bank, e.g. storing different fuels or fuels at different pressure levels per cylinder bank</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02M63/0295" definition-exists="false" ipc-concordant="F02M63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/0295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for V- or star- or boxer-engines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M63/04" definition-exists="false" ipc-concordant="F02M63/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having injection valves held closed by a cyclically-operated mechanism for a time and automatically opened by fuel pressure, e.g. constant-pressure pump or accumulator, when that mechanism releases the valve</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M63/06" definition-exists="false" ipc-concordant="F02M63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M63/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of pressure wave generated by fuel inertia to open injection valves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M65/00" definition-exists="true" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Testing fuel-injection apparatus, e.g. testing injection timing </text><CPC-specific-text><reference><text>testing of ignition <class-ref scheme="cpc">F02P17/00</class-ref>; measuring fuel consumption <class-ref scheme="cpc">G01F9/00</class-ref></text></reference><text>; Cleaning of fuel-injection apparatus</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M65/001" definition-exists="false" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring fuel delivery of a fuel injector</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M65/002" definition-exists="false" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring fuel delivery of multi-cylinder injection pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M65/003" definition-exists="false" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring variation of fuel pressure in high pressure line</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M65/005" definition-exists="false" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring or detecting injection-valve lift, e.g. to determine injection timing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M65/006" definition-exists="false" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring or detecting fuel leakage of fuel injection apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M65/007" definition-exists="false" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M65/008" definition-exists="false" ipc-concordant="F02M65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M65/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of injectors only</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02M67/00" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection by high-pressure gas carrying the fuel into engine working cylinders</text></title-part><title-part><text>Low-pressure fuel-injection</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M67/00" definition-exists="true" ipc-concordant="F02M67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine, e.g. air-injection type </text><reference><text>using compressed air for low-pressure fuel-injection apparatus <class-ref scheme="cpc">F02M69/08</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> - in this group the following indexing codes are used: <class-ref scheme="cpc">F02B2720/25</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M67/005" definition-exists="false" ipc-concordant="F02M67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>fuel-gas mixture being compressed in a pump for subsequent injection into the engine</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M67/02" definition-exists="false" ipc-concordant="F02M67/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M67/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the gas being compressed air, e.g. compressed in pumps </text><reference><text>arrangements or adaptations of such pumps <class-ref scheme="cpc">F02B</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M67/04" definition-exists="false" ipc-concordant="F02M67/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the air being extracted from working cylinders of the engine</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M67/06" definition-exists="false" ipc-concordant="F02M67/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the gas being other than air, e.g. steam, combustion gas</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M67/08" definition-exists="false" ipc-concordant="F02M67/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the gas being generated by combustion of part of fuel other than in engine working cylinders</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M67/10" definition-exists="false" ipc-concordant="F02M67/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors peculiar thereto, e.g. valve less type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M67/12" definition-exists="false" ipc-concordant="F02M67/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having valves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M67/14" definition-exists="false" ipc-concordant="F02M67/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M67/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by provisions for injecting different fuels, e.g. main fuel and readily self-igniting starting fuel</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M69/00" definition-exists="true" ipc-concordant="F02M69/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M69/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Low-pressure fuel-injection apparatus </text><CPC-specific-text><text>; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> - in this group the following indexing codes are used: <class-ref scheme="cpc">F02B2720/15</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/002" definition-exists="true" ipc-concordant="F02M69/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by means for intermittently metering the portion of fuel injected </text><reference><text><class-ref scheme="cpc">F02M69/12</class-ref>, <class-ref scheme="cpc">F02M69/14</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/005" definition-exists="false" ipc-concordant="F02M69/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by control of air admission to the engine according to the fuel injected</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/007" definition-exists="false" ipc-concordant="F02M69/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of devices using fuel pressure deviated from main fuel circuit acting on air throttle valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/02" definition-exists="false" ipc-concordant="F02M69/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps peculiar thereto </text><CPC-specific-text><reference><text>elastic wall type pumps <class-ref scheme="cpc">F02M59/14</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/04" definition-exists="false" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors peculiar thereto</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/041" definition-exists="false" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having vibrating means for atomizing the fuel, e.g. with sonic or ultrasonic vibrations</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/042" definition-exists="false" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Positioning of injectors with respect to engine, e.g. in the air intake conduit </text><reference><text>mounting of injectors <class-ref scheme="cpc">F02M61/14</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/043" definition-exists="false" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for injecting into the intake conduit upstream of an air throttle valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/044" definition-exists="false" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for injecting into the intake conduit downstream of an air throttle valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/045" definition-exists="true" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for injecting into the combustion chamber </text><reference><text><class-ref scheme="cpc">F02M69/046</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/046" definition-exists="true" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for injecting into both the combustion chamber and the intake conduit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/047" definition-exists="false" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles </text><reference><text><class-ref scheme="cpc">F02M69/325</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/048" definition-exists="false" ipc-concordant="F02M69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having variable fuel outlets, e.g. controlled by a valve actuated by operator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/06" definition-exists="false" ipc-concordant="F02M69/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the pressurisation of the fuel being caused by centrifugal force acting on the fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/08" definition-exists="false" ipc-concordant="F02M69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the fuel being carried by compressed air into main stream of combustion-air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/10" definition-exists="false" ipc-concordant="F02M69/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to scavenged two-stroke engines, e.g. injecting into crankcase-pump chamber</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/12" definition-exists="true" ipc-concordant="F02M69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a fuel-displaced free-piston for intermittently metering and supplying fuel to injection nozzles </text><CPC-specific-text><reference><text>high-pressure fuel-injection with fuel-displaced auxiliary pistons <class-ref scheme="cpc">F02M59/32</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/125" definition-exists="false" ipc-concordant="F02M69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for varying the stroke of the free-piston</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/14" definition-exists="true" ipc-concordant="F02M69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having cyclically-operated valves connecting injection nozzles to a source of fuel under pressure during the injection period </text><CPC-specific-text><reference><text>high-pressure fuel injection apparatus <class-ref scheme="cpc">F02M63/0003</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/142" definition-exists="false" ipc-concordant="F02M69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valves being operated by fluid impulses, e.g. using bistable fluid operated valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/145" definition-exists="true" ipc-concordant="F02M69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valves being actuated electrically </text><reference><text>electrically-operated injectors <class-ref scheme="cpc">F02M51/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/147" definition-exists="false" ipc-concordant="F02M69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valves being actuated mechanically, e.g. rotating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/16" definition-exists="false" ipc-concordant="F02M69/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of </text><CPC-specific-text><text>continuously or intermittently operated</text></CPC-specific-text><text> injectors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/18" definition-exists="false" ipc-concordant="F02M69/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M69/18</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air </text><reference><text>the means varying fuel pressure in a fuel by-pass passage, the pressure acting on a throttle valve against the action of metered or throttled fuel pressure for variably throttling fuel flow to injection nozzles <class-ref scheme="cpc">F02M69/26</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/20" definition-exists="false" ipc-concordant="F02M69/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M69/20</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>the device being a servo-motor, e.g. using engine intake air pressure or vacuum </text><reference><text>the actuating device comprising a member movably mounted in the air intake conduit and displaced according to the quantity of air admitted to the engine <class-ref scheme="cpc">F02M69/22</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/22" definition-exists="false" ipc-concordant="F02M69/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the device comprising a member movably mounted in the air intake conduit and displaced according to the quantity of air admitted to the engine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/24" definition-exists="false" ipc-concordant="F02M69/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the device comprising a member for transmitting the movement of the air throttle valve actuated by the operator to the valves controlling fuel passages</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/26" definition-exists="false" ipc-concordant="F02M69/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the means varying fuel pressure in a fuel by-pass passage, the pressure acting on a throttle valve against the action of metered or throttled fuel pressure for variably throttling fuel flow to injection nozzles, e.g. to keep constant the pressure differential at the metering valve</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/28" definition-exists="false" ipc-concordant="F02M69/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by means for cutting-out the fuel supply to the engine or to main injectors during certain operating periods, e.g. deceleration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/30" definition-exists="true" ipc-concordant="F02M69/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M69/30</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/32" definition-exists="true" ipc-concordant="F02M69/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with an air by-pass around the air throttle valve or with an auxiliary air passage, e.g. with a variably controlled valve therein</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/325" definition-exists="false" ipc-concordant="F02M69/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an auxiliary injection nozzle therein </text><reference><text><class-ref scheme="cpc">F02M69/34</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/34" definition-exists="false" ipc-concordant="F02M69/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with an auxiliary fuel circuit supplying fuel to the engine, e.g. with the fuel pump outlet being directly connected to injection nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/36" definition-exists="false" ipc-concordant="F02M69/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages </text><CPC-specific-text><reference><text>at acceleration <class-ref scheme="cpc">F02M69/44</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/38" definition-exists="false" ipc-concordant="F02M69/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M69/38</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>using fuel pressure, e.g. by varying fuel pressure in the control chambers of the fuel metering device </text><reference><text>the means varying fuel pressure in a fuel by-pass passage, the pressure acting on a throttle valve against the action of metered or throttled fuel pressure for variably throttling fuel flow to injection nozzles <class-ref scheme="cpc">F02M69/26</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M69/383" definition-exists="false" ipc-concordant="F02M69/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the fuel passing through different passages to injectors or to a drain, the pressure of fuel acting on valves to close or open selectively these passages</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02M69/386" definition-exists="false" ipc-concordant="F02M69/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>variably controlling the pressure of the fuel by-passing the metering valves, e.g. by valves responsive to signals of temperature or oxygen sensors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/40" definition-exists="false" ipc-concordant="F02M69/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using variably controlled air pressure, e.g. by modifying the intake air vacuum signal acting on the fuel metering device</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/42" definition-exists="false" ipc-concordant="F02M69/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using other means than variable fluid pressure, e.g. acting on the fuel metering device mechanically or electrically</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/44" definition-exists="false" ipc-concordant="F02M69/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by means for supplying extra fuel to the engine on sudden air throttle opening, e.g. at acceleration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M69/46" definition-exists="false" ipc-concordant="F02M69/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02M69/46</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups <class-ref scheme="cpc">F02M69/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02M69/44</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/462" definition-exists="false" ipc-concordant="F02M69/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02M69/465" definition-exists="false" ipc-concordant="F02M69/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of fuel rails</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/467" definition-exists="false" ipc-concordant="F02M69/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/467</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices using intake air for generating a control signal acting on fuel delivery </text><reference><text><class-ref scheme="cpc">F02M69/125</class-ref>, <class-ref scheme="cpc">F02M69/20</class-ref>, <class-ref scheme="cpc">F02M69/40</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/48" definition-exists="false" ipc-concordant="F02M69/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of air sensors </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F02M69/22</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/50" definition-exists="false" ipc-concordant="F02M69/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02M69/50</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Arrangement of fuel distributors </text><CPC-specific-text><text>, e.g. with means for supplying equal portion of metered fuel to injectors </text><reference><text><class-ref scheme="cpc">F02M69/147</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/52" definition-exists="false" ipc-concordant="F02M69/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of fuel metering devices </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F02M69/18</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02M69/54" definition-exists="false" ipc-concordant="F02M69/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M69/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of fuel pressure regulators</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M71/00" definition-exists="true" ipc-concordant="F02M71/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F02M71/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Combinations of carburettors and low-pressure fuel-injection apparatus</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M71/02" definition-exists="false" ipc-concordant="F02M71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>F02M71/02</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>with fuel-air mixture being produced by the carburettor and being compressed by a pump for subsequent injection into main combustion-air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02M71/04" definition-exists="false" ipc-concordant="F02M71/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F02M71/04</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>with carburettor being used at starting or idling only and injection apparatus being used during normal operation of engine </text><CPC-specific-text><text>or <u>vice versa</u></text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02M99/00" definition-exists="false" ipc-concordant="F02M99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M99/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Subject matter not provided for in other groups of this subclass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F02M200/00" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02M200/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of fuel-injection apparatus, not otherwise provided for</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for reducing wear</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for preventing corrosion</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for preventing coking, e.g. of fuel injector discharge orifices or valve needles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for avoiding sticking of valve or armature, e.g. preventing hydraulic or magnetic sticking of parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having special means for influencing magnetic flux, e.g. for shielding or guiding magnetic flux</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/09" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for reducing noise</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sealing of fuel injection apparatus not otherwise provided for</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for maintaining safety not otherwise provided for</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/185" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>means for improving crash safety</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with permanent magnets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/21" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with piezo-electric or magnetostrictive elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/215" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/215</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Piezo-electric or magnetostrictive elements being able to tilt in its housing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with bimetallic or memory shape alloy elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with sensors</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/241" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Acceleration or vibration sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/242" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Displacement sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/244" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Force sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/245" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Position sensors, e.g. Hall sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/247" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressure sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/248" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature sensors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/25" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with heat-expansible elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with elastically deformable elements other than coil springs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/27" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of throttles in fuel-injection apparatus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/29" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having rotating means </text><reference><text>rotary valves <class-ref scheme="cpc">F02M63/0038</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having mechanical parts, the movement of which is damped</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrical means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/304" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using hydraulic means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/306" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/308" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using pneumatic means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having hydraulic pressure fluctuations damping elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/315" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/315</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for damping fuel pressure fluctuations</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Valves, e.g. injectors, with valve bodies arranged side-by-side</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Valves, e.g. injectors, with concentric valve bodies</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of springs for valves used in fuel injectors or fuel injection pumps</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/502" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Springs biasing the valve member to the open position</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/505" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjusting spring tension by sliding spring seats</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/507" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/507</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjusting spring tension by screwing spring seats</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel-injection apparatus having means for facilitating the starting of engines, e.g. with valves or fuel passages for keeping residual pressure in common rails</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/701" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/701</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mechanical</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/702" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/702</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with actuator and actuated element moving in different directions, e.g. in opposite directions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/703" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/703</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>hydraulic</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/704" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/704</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with actuator and actuated element moving in different directions, e.g. in opposite directions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/705" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/705</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for filling or emptying hydraulic chamber, e.g. for compensating clearance or thermal expansion</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M200/706" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/706</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Valves for filling or emptying hydraulic chamber</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/707" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/707</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for avoiding fuel contact with actuators, e.g. isolating actuators by using bellows or diaphragms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/708" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/708</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with hydraulic chambers formed by a movable sleeve</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel injection apparatus manufacture, repair or assembly</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Storing data on fuel injection apparatus, e.g. by printing, by using bar codes or EPROMs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8015" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Provisions for assembly of fuel injection apparatus in a certain orientation, e.g. markings, notches or specially shaped sleeves other than a clip</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the assembly involving use of quick-acting mechanisms, e.g. clips</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/803" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/803</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using clamp elements and fastening means</text></title-part><title-part><text>e.g. bolts or screws</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8038" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8038</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the assembly involving use of adhesives, glue or the like</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8046" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the manufacture involving injection moulding, e.g. of plastic or metal</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8053" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving mechanical deformation of the apparatus or parts thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8061</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving press-fit, i.e. interference or friction fit</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8069" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8069</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving removal of material from the fuel apparatus, e.g. by punching, hydro-erosion or mechanical operation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8076" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8076</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving threaded members</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8084" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving welding or soldering</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/8092" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/8092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adjusting or calibration</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/85" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/85</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mounting of fuel injection apparatus</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/851" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/851</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>provisions for adjusting the angular, rotational or axial position of injectors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/852" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/852</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>provisions for mounting the fuel injection apparatus in a certain orientation, e.g. markings or notches</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/853" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/853</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving use of quick-acting mechanism, e.g. clips</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/855" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/855</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using clamp elements or fastening means, e.g. bolts or screws</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/856" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/856</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by mounting injector to fuel or common rail, or <u>vice versa</u></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/857" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/857</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by mounting fuel or common rail to engine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/858" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/858</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>sealing arrangements between injector and engine</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/90" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Selection of particular materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ceramic materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9015" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elastomeric or plastic materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibrous materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/903" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/903</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9038" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9038</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9046" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-layered materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9053" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/9061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>F02M2200/9061</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Special treatments for modifying the properties of metals used for fuel injection apparatus, e.g. modifying mechanical or electromagnetic properties</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/9069" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9069</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-magnetic metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M200/9076" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9076</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-ferrous metals</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9084" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rheological fluids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/9092" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/9092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sintered materials</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M200/95" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/95</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel injection apparatus operating on particular fuels, e.g. biodiesel, ethanol, mixed fuels</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/953" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/953</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dimethyl ether, DME</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M200/956" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2200/956</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ethanol</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02M547/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2547/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special features for fuel-injection valves actuated by fluid pressure</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M547/001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2547/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control chambers formed by movable sleeves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M547/003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2547/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Valve inserts containing control chamber and valve piston</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M547/005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2547/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel injectors without fuel return, i.e. the pressure in the control chamber is released into the combustion chamber with fluid flow only in one direction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M547/006" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2547/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Springs assisting hydraulic closing force</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M547/008" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2547/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for influencing the flow rate out of or into a control chamber, e.g. depending on the position of the needle</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02M700/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>F02M2700/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine</text></title-part><title-part><text>Use of exhaust gas</text></title-part><title-part><text>Compressors for piston engines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Miscellaneous constructional elements</text></title-part><title-part><text>Leakage detection</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/055" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel distribution among injection nozzles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nozzles and injectors with controllable fuel supply</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/071" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/071</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors having valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/072" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/072</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injection valve actuated by engine for supply of pressurised fuel</text></title-part><title-part><text>Electrically or electromagnetically actuated injectors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/074" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/074</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injection valve actuated by fuel pressure for pressurised fuel supply</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/075" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injection valve actuated by cylinder pressure or other air pressure for pressurised fuel supply</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/077" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02M2700/077</classification-symbol><class-title date-revised="2017-05-01"><title-part><text>Injectors having cooling or heating means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/078" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/078</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injectors combined with fuel injection pump</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices or methods for making a gas mixture for a combustion engine</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/123" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel supply devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/126" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for the supply or mixing of air and gas</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special devices for making an explosive mixture</text></title-part><title-part><text>Fuel pumps</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/1305" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1305</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary air supply devices for carburettors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/1311" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1311</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for controlling register carburettors or for carburettors disposed in parallel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/1317" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1317</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pumpo for internal combustion engines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1323" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1323</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlled diaphragm type fuel pump</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1329" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1329</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlled rotary fuel pump with parallel pistons or with a single piston in the extension of the driving shaft</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1335" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1335</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump combined with the fuel injector</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1341" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1341</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump driven by the differential pressure of a gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1347" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1347</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump acting on a carburetoor</text></title-part><title-part><text>Acceleration pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1352" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1352</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump with a constant stroke piston without control means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1358" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1358</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump with control of fuel inlet to the pumping chamber</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1364" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1364</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump controlled by means of a fuel return valve</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/137" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/137</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump with control of fuel outlet of pumping chamber to delivery pipe</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1376" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1376</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump with control of the pump piston stroke</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1382" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1382</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump with control of the cylinder relative to non-rotary piston</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/1388" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1388</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pump with control of the piston relative to a fixed cylinder</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/1394" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/1394</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Knock sensors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of exhaust gas of combustion engines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/33" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compressors for piston combustion engines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/331" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/331</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Charging and scavenging compressors</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/333" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/333</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drive thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/335" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/335</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/336" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/336</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements thereof on the engine</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/338" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/338</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injection air compressors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measures, also constructive measures, for avoiding the generation of nixious products such as CO in the exhaust gases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02M700/43" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/4302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>whereby air and fuel are sucked into the mixture conduit</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4304" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4304</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>working only with one fuel</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4307" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4307</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without mixing chambers disposed in parallel</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4309" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4309</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for motorcycles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4311" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4311</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with mixing chambers disposed in parallel</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4314" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4314</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with mixing chambers disposed in parallel</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4316" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4316</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without mixing chambers disposed in parallel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4319" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4319</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with mixing chambers disposed in parallel</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4321" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4321</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>working with fuel and admission of auxiliary fluids such as water, anti-knock agents, hydrogen, ozone or the like</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4323" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4323</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Throttling devices (not control systems thereof)</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4326" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4326</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for preventing back-fire</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4328" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4328</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reservoirs</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/433" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/433</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without limitation of the liquid level</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4333" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4333</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with limitation of the liquid level</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4335" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4335</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transport devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4338" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4338</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Acceleration pumps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/434" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/434</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating or cooling devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4342" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4342</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4345" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4345</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of exhaust gases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4347" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4347</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of water</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/435" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/435</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of electricity</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4352" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4352</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of hot air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4354" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4354</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of heat radiated from the engine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4357" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4357</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by other means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4359" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4359</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling devices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4361" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4361</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixing chambers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4364" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4364</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel atomization</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4366" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4366</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel atomization by a valve</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4369" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4369</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel atomization from an open fuel surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4371" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4371</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel atomization from a fuel film dispersed over a surface</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4373" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4373</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixture improving devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4376" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4376</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4378" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4378</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other devices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/438" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/438</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply of liquid to a carburettor reservoir with limitation of the liquid level</text></title-part><title-part><text>Aerating devices</text></title-part><title-part><text>Mounting of fuel filters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4383" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4383</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel displacement by gas pressure working on the fuel</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/4385" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4385</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pressure being an overpressure</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4388" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4388</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with fuel displacement by a pump</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02M700/439" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/439</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pump being a membrane pump</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02M700/4392" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4392</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conduits, manifolds, as far as heating and cooling if not concerned</text></title-part><title-part><text>Arrangements for removing condensed fuel</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02M700/4395" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4395</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other details</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02M700/4397" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02M2700/4397</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>whereby air or fuel are admitted in the mixture conduit by means other than vacuum or an acceleration pump</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme>