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763 lines
407 KiB
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763 lines
407 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F02D" definition-exists="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>CONTROLLING COMBUSTION ENGINES </text><reference><text>vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed <class-ref scheme="cpc">B60K31/00</class-ref>; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit <class-ref scheme="cpc">B60W</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, the following term or expression is used with the meanings indicated:<subnote type="bullet"><note-paragraph>"fuel injection" means the introduction of a combustible substance into a space, e.g. cylinder, by means of a pressure source, e.g. a pump, continuously or cyclically acting behind the substance;</note-paragraph><note-paragraph>"supercharging" means supplying to the working space, e.g. cylinder, combustion-air pressurised by means of a pressure source, e.g. a pump.</note-paragraph></subnote></note-paragraph><note-paragraph> Attention is drawn to the Notes preceding class <class-ref scheme="cpc">F01</class-ref>.</note-paragraph><note-paragraph>In this subclass, electrical aspects of control arrangements are classified in groups <class-ref scheme="cpc">F02D41/00</class-ref> - <class-ref scheme="cpc">F02D45/00</class-ref>.</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>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02D1/00" date-revised="2022-01-01" status="published"><classification-symbol>F02D1/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Controlling, e.g. regulating, fuel injection</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D1/00" definition-exists="true" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D1/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Controlling fuel-injection pumps, e.g. of high pressure injection type </text><reference><text><class-ref scheme="cpc">F02D3/00</class-ref> takes precedence</text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> - in this subclass the following indexing codes are used: <subnote><note-paragraph><class-ref scheme="cpc">F02D2700/0282</class-ref> and <class-ref scheme="cpc">F02D2700/10</class-ref></note-paragraph></subnote></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D1/0005" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details, component parts or accessories of centrifugal governors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/001" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of centrifugal weights</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D1/0015" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the weights being cup-shaped and carrying governor springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/002" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of governor springs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D1/0025" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least two springs, one of them being idling spring</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D1/003" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the main spring being active at maximum speed only</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D1/0035" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the main spring being active at all speeds, e.g. its tension varying with the load, i.e. the position of pump control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/004" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of linkages between governor sleeve and pump control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/0045" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of means for influencing governor characteristics by operator</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D1/005" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>varying main spring tension</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D1/0055" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>varying pivotal point of linkages between governor sleeve and pump control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/006" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Assembling; Disassembling; Replacing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/0065" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0065</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>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D1/007" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for adjusting stops for minimum and maximum fuel delivery</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/0075" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using engine temperature, e.g. to adjust the idling speed at cold start</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/008" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using intake air pressure, e.g. adjusting full load stop at high supercharging pressures</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D1/0085" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements using fuel pressure for controlling fuel delivery in quantity or timing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/009" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for varying the pressure of fuel supply pump according to engine working parameters</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D1/0095" definition-exists="false" ipc-concordant="F02D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting of control means with respect to injection apparatus or the engine</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D1/02" definition-exists="false" ipc-concordant="F02D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D1/025" definition-exists="false" ipc-concordant="F02D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means dependent on engine working temperature </text><reference><text><class-ref scheme="cpc">F02D1/08</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D1/04" definition-exists="false" ipc-concordant="F02D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>F02D1/04</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>by mechanical means dependent on engine speed, e.g. using centrifugal governors </text><reference><text><class-ref scheme="cpc">F02D1/08</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D1/045" definition-exists="false" ipc-concordant="F02D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by arrangement of springs or weights</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D1/06" definition-exists="false" ipc-concordant="F02D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means dependent on pressure of engine working fluid </text><reference><text><class-ref scheme="cpc">F02D1/08</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D1/065" definition-exists="false" ipc-concordant="F02D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of intake of air</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D1/08" definition-exists="false" ipc-concordant="F02D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transmission of control impulse to pump control, e.g. with power drive or power assistance</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D1/082" definition-exists="false" ipc-concordant="F02D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electric</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D1/085" definition-exists="false" ipc-concordant="F02D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using solenoids</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D1/087" definition-exists="false" ipc-concordant="F02D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using step motors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D1/10" definition-exists="false" ipc-concordant="F02D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mechanical</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D1/12" definition-exists="false" ipc-concordant="F02D1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>non-mechanical, e.g. hydraulic</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D1/122" definition-exists="false" ipc-concordant="F02D1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>control impulse depending only on engine speed</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D1/125" definition-exists="false" ipc-concordant="F02D1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a centrifugal governor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D1/127" definition-exists="false" ipc-concordant="F02D1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using the pressure developed in a pump</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D1/14" definition-exists="false" ipc-concordant="F02D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pneumatic</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D1/16" definition-exists="true" ipc-concordant="F02D1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D1/16</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Adjustment of injection timing </text><reference><text><class-ref scheme="cpc">F02D1/02</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D1/162" definition-exists="true" ipc-concordant="F02D1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by mechanical means dependent on engine speed for angular adjustment of driving and driven shafts</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/165" definition-exists="false" ipc-concordant="F02D1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means dependent on engine load</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D1/167" definition-exists="false" ipc-concordant="F02D1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means dependent on engine working temperature, e.g. at cold start</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D1/18" definition-exists="false" ipc-concordant="F02D1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>F02D1/18</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>with non-mechanical means for transmitting control impulse</text></title-part><title-part><text>with amplification of control impulse</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D1/183" definition-exists="true" ipc-concordant="F02D1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D1/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hydraulic</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D1/186" definition-exists="false" ipc-concordant="F02D1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2001/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a pressure-actuated piston for adjustment of a stationary cam or roller support</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D3/00" definition-exists="true" ipc-concordant="F02D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D3/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Controlling low-pressure fuel injection, i.e. where the fuel-air mixture containing fuel thus injected will be substantially compressed by the compression stroke of the engine, by means other than controlling only an injection pump</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> When the control apparatus or system forms part of the low-pressure fuel-injection apparatus it is classified in group <class-ref scheme="cpc">F02M69/00</class-ref>. </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D3/02" definition-exists="false" ipc-concordant="F02D3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with continuous injection or continuous flow upstream of the injection nozzle</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D3/04" definition-exists="false" ipc-concordant="F02D3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling fuel-injection and carburation, e.g. of alternative systems</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D7/00" definition-exists="true" ipc-concordant="F02D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other fuel-injection control</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D7/002" definition-exists="false" ipc-concordant="F02D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D7/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttling of fuel passages between pumps and injectors or overflow passages </text><reference><text>low-pressure fuel injection <class-ref scheme="cpc">F02M69/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D7/005" definition-exists="false" ipc-concordant="F02D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by mechanical means, e.g. using a centrifugal governor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D7/007" definition-exists="false" ipc-concordant="F02D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D7/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by fluid actuated means, e.g. slide valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D7/02" definition-exists="true" ipc-concordant="F02D7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling fuel injection where fuel is injected by compressed air</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D7/025" definition-exists="false" ipc-concordant="F02D7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2007/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling compressed air quantity or pressure</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><u>accelerator lever</u> means a lever actuated by foot or hand (e.g. pedal). </note-paragraph><note-paragraph><u>throttle lever</u> means a lever connected to the accelerator lever via a force transmitting element (e.g. cable, link) <u>and</u> mounted on the throttle axis. </note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D9/00" definition-exists="true" ipc-concordant="F02D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits</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">F02D2700/00</class-ref>, <class-ref scheme="cpc">F02D2700/02</class-ref>, <class-ref scheme="cpc">F02D2700/04</class-ref>, <br/><class-ref scheme="cpc">F02D2700/09</class-ref></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D9/02" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>concerning induction conduits </text><reference><text>throttle valves, or arrangements thereof in conduits <class-ref scheme="cpc">F02D9/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D9/0201" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0201</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements; Control features; Details thereof</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0203" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical governor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0205" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>working on the throttle valve and another valve, e.g. choke</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0206" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially positioned with relation to engine or engine housing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0208" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for small engines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/021" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with an electromechanical governor, e.g. centrifuged governor and electric governor acting on the governor lever</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0211" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with another mechanical or pneumatic governor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0213" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0213</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electronic or electric governor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0215" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pneumatic governor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0216" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the air-vane type</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0218" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of governor springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/022" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control function parameters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0222" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exhaust gas temperature</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0223" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling water temperature</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0225" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Intake air or mixture temperature</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0227" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Atmospheric pressure</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0228" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manifold pressure</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/023" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Engine speed</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0232" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0232</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel pump rack position</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0233" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Engine vibration</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0235" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control functions</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0237" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0237</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Increasing combustion chamber gas temperature</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0238" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0238</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Increasing ignition delay</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/024" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Increasing intake vacuum</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0242" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Increasing exhaust brake effect</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0244" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Choking air flow at low speed and load</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0245" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shutting down engine, e.g. working together with fuel cut-off</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0247" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Opening the throttle a little on engine shutdown</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0249" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0249</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Starting engine, e.g. closing throttle in Diesel engine to reduce starting torque</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/025" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Opening the throttle a little during starting</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0252" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0252</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Opening a special valve-controlled intake passage (by-pass) during starting</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0254" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical control linkage between accelerator lever and throttle valve</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0255" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0255</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for correcting throttle position, e.g. throttle cable of variable length</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0257" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a pin and slob connection ("Leerweg")</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0259" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0259</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a dashpot, e.g. working in the throttle opening and closing directions</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0261" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a specially shaped transmission member, e.g. a cam, specially toothed gears, with a clutch</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0262" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having two or more levers on the throttle shaft</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0264" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which movement is transmitted through a spring</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0266" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which movement is transmitted through a vacuum motor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0267" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0267</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for simultaneous action of a governor and an accelerator lever on the throttle</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0269" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0269</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle closing springs; Acting of throttle closing springs on the throttle shaft</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0271" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for closing the throttle other than throttle closing springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0272" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two or more throttles disposed in series</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0274" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0274</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one being controlled by pressure in intake conduit, e.g. for slowly opening the throttle as the other valve is suddenly opened</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0276" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0276</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle and EGR-valve operated together</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0277" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0277</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fail-safe mechanisms, e.g. with limp-home feature, to close throttle if actuator fails, or if control cable sticks or breaks</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0279" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0279</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle valve control for intake system with two parallel air flow paths, each controlled by a throttle, e.g. a resilient flap disposed on a throttle</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0281" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for detecting malfunction of one throttle and actuating only the correctly working throttle</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0283" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle in the form of an expander</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0284" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device with means for signalling a certain throttle opening, e.g. by a steplike increase of throttle closing spring force</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0286" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device with accelerator lever defining a stop for opening the throttle, e.g. the throttle itself being opened by air flow, a spring</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0288" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device specially adapted for spark-assisted compression-ignition engine (Diesel engine)</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0289" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0289</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device with means for establishing a variable resistance torque during throttle opening</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0291" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device for throttle being disposed in a two-stroke engine transfer passage</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0293" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0293</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device adapted to limit power development at low attitude</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0294" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0294</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device with provisions for actuating electric or electronic sensors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0296" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0296</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device with stops for limiting throttle opening or closing beyond a certain position during certain periods of operation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D9/0298" definition-exists="false" ipc-concordant="F02D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2009/0298</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throttle control device with holding devices, i.e. to hold throttle in a predetermined position</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D9/04" definition-exists="false" ipc-concordant="F02D9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>concerning exhaust conduits </text><reference><text>throttle valves, or arrangements thereof in conduits <class-ref scheme="cpc">F02D9/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D9/06" definition-exists="false" ipc-concordant="F02D9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Exhaust brakes</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D9/08" definition-exists="true" ipc-concordant="F02D9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D9/08</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Throttle valves specially adapted therefor</text></title-part><title-part><text>Arrangements of such valves in conduits</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D9/10" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having pivotally-mounted flaps</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/1005" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the flap</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/101" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special flap shapes, ribs, bores or the like</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D9/1015" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the edge of the flap, e.g. for lowering flow noise or improving flow sealing in closed flap position</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/102" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the flap having movable parts fixed onto it</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/1025" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the rotation axis of the flap being off-set from the flap center axis</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D9/103" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the rotation axis being located at an edge</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/1035" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the valve housing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/104" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>F02D9/104</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D9/1045" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for sealing of the flow in closed flap position, e.g. the housing forming a valve seat</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/105" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a throttle position sensor </text><reference><text>detection of actuation <class-ref scheme="cpc">F02D11/106</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/1055" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a fluid by-pass</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/106" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealing of the valve shaft in the housing, e.g. details of the bearings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/1065" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/107" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing or mounting details</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/1075" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials, e.g. composites</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/108" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plastics</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/1085" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-organic materials, e.g. metals, alloys, ceramics</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/109" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/109</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having two or more flaps</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D9/1095" definition-exists="false" ipc-concordant="F02D9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/1095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotating on a common axis, e.g. having a common shaft</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D9/12" definition-exists="false" ipc-concordant="F02D9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having slidably-mounted valve members</text></title-part><title-part><text>having valve members movable longitudinally of conduit</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/14" definition-exists="false" ipc-concordant="F02D9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the members being slidable transversely of conduit</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D9/16" definition-exists="false" ipc-concordant="F02D9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the members being rotatable</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D9/18" definition-exists="false" ipc-concordant="F02D9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having elastic-wall valve members</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D11/00" definition-exists="true" ipc-concordant="F02D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D11/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated </text><reference><text>specially for reversing <class-ref scheme="cpc">F02D27/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D11/02" definition-exists="false" ipc-concordant="F02D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by hand, foot, or like operator controlled initiation means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D11/04" definition-exists="false" ipc-concordant="F02D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D11/04</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>characterised by mechanical control linkages </text><reference><text><class-ref scheme="cpc">F02D11/06</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D11/06" definition-exists="false" ipc-concordant="F02D11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D11/08" definition-exists="false" ipc-concordant="F02D11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the pneumatic type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D11/10" definition-exists="true" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the electric type</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D11/101" definition-exists="false" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2011/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the means for actuating the throttles</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D11/102" definition-exists="false" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2011/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one throttle being moved only by an electric actuator</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D11/103" definition-exists="false" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2011/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one throttle being alternatively mechanically linked to the pedal or moved by an electric actuator</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D11/104" definition-exists="false" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2011/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electric step motors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D11/105" definition-exists="true" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D11/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D11/106" definition-exists="true" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D11/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detection of demand or actuation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D11/107" definition-exists="false" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D11/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Safety-related aspects</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D11/108" definition-exists="false" ipc-concordant="F02D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2011/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for detecting or resolving a stuck throttle, e.g. when being frozen in a position</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D13/00" definition-exists="true" ipc-concordant="F02D13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D13/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D13/005" definition-exists="false" ipc-concordant="F02D13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2013/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of throttleless spark ignited engines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D13/02" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>during engine operation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0203" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variable control of intake and exhaust valves</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0207" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>changing valve lift or valve lift and timing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D13/0211" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0215" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>changing the valve timing only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D13/0219" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0219</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by shifting the phase, i.e. the opening periods of the valves are constant</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0223" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variable control of the intake valves only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0226" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>changing valve lift or valve lift and timing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D13/023" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0234" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0234</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>changing the valve timing only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D13/0238" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0238</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by shifting the phase, i.e. the opening periods of the valves are constant</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0242" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variable control of the exhaust valves only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0246" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>changing valve lift or valve lift and timing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0249" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0249</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>changing the valve timing only</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0253" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0253</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators, e.g. solenoid valves</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0257" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Independent control of two or more intake or exhaust valves respectively, i.e. one of two intake valves remains closed or is opened partially while the other is fully opened</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0261" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the valve overlap</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0265" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Negative valve overlap for temporarily storing residual gas in the cylinder</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0269" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0269</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the valves to perform a Miller-Atkinson cycle</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0273" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple actuations of a valve within an engine cycle</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/0276" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0276</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Actuation of an additional valve for a special application, e.g. for decompression, exhaust gas recirculation or cylinder scavenging</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/028" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for two-stroke engines</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D13/0284" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/0284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variable control of exhaust valves only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D13/0288" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2013/0288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for cleaning the valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D13/0292" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2013/0292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the start-up phase, e.g. for warming-up cold engine or catalyst</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D13/0296" definition-exists="false" ipc-concordant="F02D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2013/0296</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Changing the valve lift only</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/04" definition-exists="false" ipc-concordant="F02D13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02D13/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using engine as brake</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D13/06" definition-exists="false" ipc-concordant="F02D13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting-out cylinders</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D13/08" definition-exists="false" ipc-concordant="F02D13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rendering engine inoperative or idling</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D15/00" definition-exists="true" ipc-concordant="F02D15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D15/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Varying compression ratio</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: <subnote><note-paragraph><class-ref scheme="cpc">F02D2700/03</class-ref></note-paragraph></subnote></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D15/02" definition-exists="false" ipc-concordant="F02D15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by alteration or displacement of piston stroke</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D15/04" definition-exists="false" ipc-concordant="F02D15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by alteration of volume of compression space without changing piston stroke</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D17/00" definition-exists="true" ipc-concordant="F02D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines by cutting out individual cylinders</text></title-part><title-part><text>Rendering engines inoperative or idling </text><reference><text>controlling or rendering inoperative by varying inlet or exhaust valve operating characteristics <class-ref scheme="cpc">F02D13/00</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: <subnote><note-paragraph><class-ref scheme="cpc">F02D2700/05</class-ref></note-paragraph></subnote></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D17/02" definition-exists="false" ipc-concordant="F02D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cutting-out </text><reference><text>cutting-out engines in multiple engine arrangements <class-ref scheme="cpc">F02D25/04</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D17/023" definition-exists="false" ipc-concordant="F02D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D17/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the inactive cylinders acting as compressor other than for pumping air into the exhaust system</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D17/026" definition-exists="false" ipc-concordant="F02D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D17/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>delivering compressed fluid, e.g. air, reformed gas, to the active cylinders other than during starting</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D17/04" definition-exists="false" ipc-concordant="F02D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rendering engines inoperative or idling, e.g. caused by abnormal conditions </text><reference><text>dependent on lubricating conditions <class-ref scheme="cpc">F01M1/22</class-ref>; dependent on cooling <class-ref scheme="cpc">F01P5/14</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02D19/00" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling peculiar to specified types or adaptations of engines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D19/00" definition-exists="true" ipc-concordant="F02D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures </text><reference><text>the non-fuel substances being gaseous <class-ref scheme="cpc">F02D21/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D19/02" definition-exists="true" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D19/02</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>peculiar to engines working with gaseous fuels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/021" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of components of the fuel supply system</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/022" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to adjust the fuel pressure, temperature or composition</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/023" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to adjust the fuel mass or volume flow</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/024" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling fuel injectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/025" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Failure diagnosis or prevention; Safety measures; Testing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/026" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring or estimating parameters related to the fuel supply system</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/027" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/028" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by estimation, i.e. without using direct measured parameter of a corresponding sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/029" definition-exists="false" ipc-concordant="F02D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Determining density, viscosity, concentration or composition</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D19/04" definition-exists="false" ipc-concordant="F02D19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to engines working with solid fuels, e.g. pulverised coal</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D19/06" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/0602" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0602</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of components of the fuel supply system</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0605" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to adjust the fuel pressure or temperature</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0607" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to adjust the fuel mass or volume flow</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/061" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling fuel injectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0613" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0613</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Switch-over from one fuel to another </text><reference><text><class-ref scheme="cpc">F02D19/081</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0615" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being initiated by automatic means, e.g. based on engine or vehicle operating conditions</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0618" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0618</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>depending on the engine's or vehicle's position, e.g. on/off road or proximity to a harbor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0621" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0621</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Purging of the fuel system</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/0623" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Failure diagnosis or prevention; Safety measures; Testing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/0626" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0626</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring or estimating parameters related to the fuel supply system</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0628" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0628</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0631" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0631</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by estimation, i.e. without using direct measurements of a corresponding sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0634" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0634</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Determining a density, viscosity, composition or concentration </text><reference><text><class-ref scheme="cpc">F02D19/087</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0636" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0636</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by estimation, i.e. without using direct measurements of a corresponding sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/0639" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0639</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the type of fuels</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0642" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0644" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0644</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the gaseous fuel being hydrogen, ammonia or carbon monoxide</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0647" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0647</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0649" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0649</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0652" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0652</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Biofuels, e.g. plant oils</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D19/0655" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0655</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one fuel being an alcohol, e.g. ethanol </text><reference><text><class-ref scheme="cpc">F02D19/084</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0657" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0657</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heavy or light fuel oils; Fuels characterised by their impurities such as sulfur content or differences in grade, e.g. for ships</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/066" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Retrofit of secondary fuel supply systems; Conversion of engines to operate on multiple fuels</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/0663" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0663</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0665" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tanks, e.g. multiple tanks</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0668" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0668</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treating or cleaning means; Fuel filters</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0671" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0671</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means to generate or modify a fuel, e.g. reformers, electrolytic cells or membranes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0673" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0673</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves; Pressure or flow regulators; Mixers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0676" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0676</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multi-way valves; Switch-over valves</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0678" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0678</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressure or flow regulators therefor; Fuel metering valves therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0681" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0681</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>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0684" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0684</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>High pressure fuel injection systems; Details on pumps, rails or the arrangement of valves in the fuel supply and return systems</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0686" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0686</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Injectors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0689" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0689</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for in-cylinder direct injection</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0692" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0692</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of multiple injectors per combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/0694" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0694</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>operating with a plurality of fuels</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/0697" definition-exists="false" ipc-concordant="F02D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/0697</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of fuel supply systems on engines or vehicle bodies; Components of the fuel supply system being combined with another device</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D19/08" definition-exists="false" ipc-concordant="F02D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>simultaneously using pluralities of fuels </text><reference><text><class-ref scheme="cpc">F02D19/12</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/081" definition-exists="false" ipc-concordant="F02D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/082" definition-exists="false" ipc-concordant="F02D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Premixed fuels, i.e. emulsions or blends</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/084" definition-exists="false" ipc-concordant="F02D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Blends of gasoline and alcohols, e.g. E85</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/085" definition-exists="false" ipc-concordant="F02D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control based on the fuel type or composition</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D19/087" definition-exists="false" ipc-concordant="F02D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination of densities, viscosities, composition, concentration or mixture ratios of fuels</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D19/088" definition-exists="false" ipc-concordant="F02D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by estimation, i.e. without using direct measurements of a corresponding sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D19/10" definition-exists="false" ipc-concordant="F02D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to compression-ignition engines in which the main fuel is gaseous</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D19/105" definition-exists="false" ipc-concordant="F02D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>F02D19/105</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>operating in a special mode, e.g. in a liquid fuel only mode for starting</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D19/12" definition-exists="true" ipc-concordant="F02D19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D19/12</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D21/00" definition-exists="true" ipc-concordant="F02D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D21/02" definition-exists="false" ipc-concordant="F02D21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to oxygen-fed engines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D21/04" definition-exists="false" ipc-concordant="F02D21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with circulation of exhaust gases in closed or semi-closed circuits</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D21/06" definition-exists="false" ipc-concordant="F02D21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to engines having other non-fuel gas added to combustion air</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D21/08" definition-exists="true" ipc-concordant="F02D21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D21/08</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the other gas being the exhaust gas of engine</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D21/083" definition-exists="false" ipc-concordant="F02D21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2021/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>controlling exhaust gas recirculation electronically</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D21/086" definition-exists="false" ipc-concordant="F02D21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2021/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the exhaust gas recirculation valve being controlled by fuel pressure, e.g. indirectly</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D21/10" definition-exists="true" ipc-concordant="F02D21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D21/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>having secondary air added to the fuel-air mixture</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D23/00" definition-exists="true" ipc-concordant="F02D23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines characterised by their being supercharged</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D23/005" definition-exists="false" ipc-concordant="F02D23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D23/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the supercharger being mechanically driven by the engine </text><reference><text>supercharger drives <class-ref scheme="cpc">F02B39/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D23/02" definition-exists="false" ipc-concordant="F02D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02D23/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the engines being of fuel-injection type</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D25/00" definition-exists="true" ipc-concordant="F02D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling two or more co-operating engines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D25/02" definition-exists="false" ipc-concordant="F02D25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to synchronise speed</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D25/04" definition-exists="false" ipc-concordant="F02D25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D25/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cutting-out engines</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D27/00" definition-exists="true" ipc-concordant="F02D27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines characterised by their being reversible</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D27/02" definition-exists="false" ipc-concordant="F02D27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by performing a programme</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D28/00" definition-exists="true" ipc-concordant="F02D28/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D28/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Programme-control of engines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D29/00" definition-exists="true" ipc-concordant="F02D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto</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">F02D2700/07</class-ref></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D29/02" definition-exists="false" ipc-concordant="F02D29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D29/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to engines driving vehicles</text></title-part><title-part><text>peculiar to engines driving variable pitch propellers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D29/04" definition-exists="false" ipc-concordant="F02D29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D29/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to engines driving pumps</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D29/06" definition-exists="false" ipc-concordant="F02D29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>peculiar to engines driving electric generators</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02D31/00" date-revised="2022-01-01" status="published"><classification-symbol>F02D31/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Other non-electrical control of combustion engines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D31/00" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of speed-sensing governors to control combustion engines, not otherwise provided for</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D31/001" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electric control of rotation speed</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D31/002" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>controlling air supply</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D31/003" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for idle speed control</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D31/004" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling a throttle stop</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D31/005" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling a throttle by-pass</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D31/006" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for maximum speed control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D31/007" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>controlling fuel supply</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D31/008" definition-exists="true" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for idle speed control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D31/009" definition-exists="false" ipc-concordant="F02D31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D31/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for maximum speed control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D33/00" definition-exists="true" ipc-concordant="F02D33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D33/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling delivery of fuel or combustion-air, not otherwise provided for </text><CPC-specific-text><reference><text>using exhaust gas sensors <class-ref scheme="cpc">F02D35/0023</class-ref>, <class-ref scheme="cpc">F02D35/0046</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D33/003" definition-exists="false" ipc-concordant="F02D33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>F02D33/003</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus </text><reference><text>control of electrical fuel pumps <class-ref scheme="cpc">F02D41/3082</class-ref>, controlling fuel flow to a common rail <class-ref scheme="cpc">F02D41/3845</class-ref></text></reference><text>; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D33/006" definition-exists="false" ipc-concordant="F02D33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D33/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>depending on engine operating conditions, e.g. start, stop or ambient conditions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D33/02" definition-exists="false" ipc-concordant="F02D33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D33/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of combustion-air</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D35/00" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D35/0007" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrical feedback </text><reference><text><class-ref scheme="cpc">F02D35/0015</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Attention is drawn to the note preceding <class-ref scheme="cpc">F02D41/00</class-ref>. </note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D35/0015" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using exhaust gas sensors </text><reference><text><class-ref scheme="cpc">F02D41/14</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/0023" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling air supply</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D35/003" definition-exists="false" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of by-pass passages</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D35/0038" definition-exists="false" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of air pumps</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/0046" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling fuel supply</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D35/0053" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of a carburettor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D35/0061" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the emulsifying air only </text><reference><text><class-ref scheme="cpc">F02D35/0076</class-ref>, <class-ref scheme="cpc">F02D35/0084</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D35/0069" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the fuel flow only </text><reference><text><class-ref scheme="cpc">F02D35/0076</class-ref>, <class-ref scheme="cpc">F02D35/0084</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D35/0076" definition-exists="true" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using variable venturi carburettors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D35/0084" definition-exists="false" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two barrel carburettors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D35/0092" definition-exists="false" ipc-concordant="F02D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of fuel injection</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D35/02" definition-exists="true" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on interior conditions</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/021" definition-exists="true" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an ionic current sensor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/022" definition-exists="true" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an optical sensor, e.g. in-cylinder light probe</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/023" definition-exists="false" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by determining the cylinder pressure</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D35/024" definition-exists="false" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/025" definition-exists="false" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by determining temperatures inside the cylinder, e.g. combustion temperatures</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D35/026" definition-exists="false" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/027" definition-exists="false" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using knock sensors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D35/028" definition-exists="false" ipc-concordant="F02D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D35/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by determining the combustion timing or phasing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D37/00" definition-exists="false" ipc-concordant="F02D37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D37/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Non-electrical conjoint control of two or more functions of engines, not otherwise provided for</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D37/02" definition-exists="true" ipc-concordant="F02D37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D37/02</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>one of the functions being ignition</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D39/00" definition-exists="true" ipc-concordant="F02D39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D39/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other non-electrical control</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D39/02" definition-exists="false" ipc-concordant="F02D39/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D39/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for four-stroke engines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D39/04" definition-exists="false" ipc-concordant="F02D39/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D39/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engines with other cycles than four-stroke, e.g. two-stroke</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D39/06" definition-exists="false" ipc-concordant="F02D39/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D39/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engines adding the fuel substantially at the end of compression stroke</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D39/08" definition-exists="false" ipc-concordant="F02D39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D39/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engines adding the fuel substantially before compression stroke</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D39/10" definition-exists="false" ipc-concordant="F02D39/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D39/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for free-piston engines</text></title-part><title-part><text>for engines without rotary main shaft</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02D41/00" date-revised="2016-05-01" status="published"><classification-symbol>F02D41/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical control of combustion engines</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Groups <class-ref scheme="cpc">F02D41/00</class-ref> - <class-ref scheme="cpc">F02D45/00</class-ref> cover electrical aspects of electrically controlled devices. </note-paragraph><note-paragraph> Groups <class-ref scheme="cpc">F02D41/00</class-ref> - <class-ref scheme="cpc">F02D45/00</class-ref> do not cover <subnote type="bullet"><note-paragraph>non-electrical aspects of electrically controlled devices, which are covered by groups <class-ref scheme="cpc">F02D1/00</class-ref> - <class-ref scheme="cpc">F02D39/00</class-ref> or by subclass <class-ref scheme="cpc">F02M</class-ref>;</note-paragraph><note-paragraph>both electrical and non-electrical aspects of electrically controlled devices, which are covered by groups <class-ref scheme="cpc">F02D1/00</class-ref> - <class-ref scheme="cpc">F02D39/00</class-ref> or by subclass <class-ref scheme="cpc">F02M</class-ref></note-paragraph></subnote></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D41/00" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>F02D41/00</classification-symbol><class-title date-revised="2018-08-01"><title-part><text>Electrical control of supply of combustible mixture or its constituents </text><reference><text><class-ref scheme="cpc">F02D43/00</class-ref> takes precedence </text><CPC-specific-text><text>; control of engine starters <class-ref scheme="cpc">F02N11/08</class-ref>, electrical control of engine ignition timing <class-ref scheme="cpc">F02P5/145</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/0002" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling intake air</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0005" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>during deceleration</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0007" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for control of turbo-charged or super-charged engines </text><reference><text>control of the pumps <u>per se</u> <class-ref scheme="cpc">F02B37/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/001" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for engines with variable valve actuation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/0012" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with selective deactivation of cylinders</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/0015" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for engines with means for controlling swirl or tumble flow, e.g. by using swirl valves</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/0017" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by simultaneous control of throttle and exhaust gas recirculation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/002" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by simultaneous control of throttle and variable valve actuation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/0022" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for diesel engines by throttle control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/0025" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0027" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the fuel being gaseous </text><reference><text>non-electrical control <class-ref scheme="cpc">F02D19/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/003" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adding fuel vapours, e.g. drawn from engine fuel reservoir</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/0032" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the purging of the canister as a function of the engine operating conditions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0035" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to achieve a special effect, e.g. to warm up the catalyst</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/0037" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for diagnosing the engine </text><reference><text>diagnosis of purge control systems <class-ref scheme="cpc">F02M25/0809</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/004" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of the valve or purge actuator, e.g. duty cycle, closed loop control of position</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/0042" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/0045" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Estimating, calculating or determining the purging rate, amount, flow or concentration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0047" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02D41/0047</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>Controlling exhaust gas recirculation [EGR] </text><reference><text>temperature control with cooler in recirculation circuit <class-ref scheme="cpc">F02M26/33</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/005" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>according to engine operating conditions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0052" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feedback control of engine parameters, e.g. for control of air/fuel ratio or intake air amount</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0055" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0057" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Specific combustion modes </text><reference><text>combustion modes <u>per se</u> <class-ref scheme="cpc">F02D41/3017</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/006" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02D41/006</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>using internal EGR </text><reference><text>control of valve overlap for internal EGR <class-ref scheme="cpc">F02D13/0261</class-ref>; arrangements for internal EGR <class-ref scheme="cpc">F02M26/01</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0062" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Estimating, calculating or determining the internal EGR rate, amount or flow</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/0065" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02D41/0065</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>Specific aspects of external EGR control </text><reference><text>constructional details of EGR system <class-ref scheme="cpc">F02M26/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/0067" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Determining the EGR temperature</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/007" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0072" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02D41/0072</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>Estimating, calculating or determining the EGR rate, amount or flow </text><reference><text>sensors in EGR systems <class-ref scheme="cpc">F02M26/45</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/0075" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using flow sensors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/0077" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-02-01" status="published"><classification-symbol>F02D41/0077</classification-symbol><class-title date-revised="2016-02-01"><title-part><CPC-specific-text><text>Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position </text><reference><text>EGR valve position sensor <class-ref scheme="cpc">F02M26/48</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/008" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling each cylinder individually</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0082" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>per groups or banks </text><reference><text><class-ref scheme="cpc">F02D41/0087</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0085" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0087" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selective cylinder activation, i.e. partial cylinder operation </text><reference><text>deceleration cut-off <class-ref scheme="cpc">F02D41/123</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/009" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>F02D41/009</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>using means for generating position or synchronisation signals</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/0092" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Synchronisation of the cylinders at engine start</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/0095" definition-exists="false" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Synchronisation of the cylinders during engine shutdown</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/0097" definition-exists="true" ipc-concordant="F02D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>F02D41/0097</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>using means for generating speed signals</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/02" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuit arrangements for generating control signals</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/0205" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an auxiliary engine speed control </text><reference><text>engine speed control <u>per se</u> <class-ref scheme="cpc">F02D31/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/021" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Introducing corrections for particular conditions exterior to the engine </text><reference><text>conjoint control of vehicle sub-units for propelling the vehicle <class-ref scheme="cpc">B60W30/18</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/0215" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in relation with elements of the transmission</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/022" definition-exists="false" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in relation with the clutch status</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0225" definition-exists="false" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in relation with the gear ratio or shift lever position</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/023" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in relation with the gear ratio shifting </text><reference><text>conjoint control for improving gear change <class-ref scheme="cpc">B60W30/19</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/0235" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in relation with the state of the exhaust gas treating apparatus </text><reference><text>control of exhaust gas treating apparatus <u>per se</u> <class-ref scheme="cpc">F01N</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/024" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to increase temperature of the exhaust gas treating apparatus</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/0245" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by increasing temperature of the exhaust gas leaving the engine</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/025" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/0255" definition-exists="false" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0255</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to accelerate the warming-up of the exhaust gas treating apparatus at engine start</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/026" definition-exists="false" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an external load, e.g. by increasing generator load or by changing the gear ratio</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/0265" definition-exists="false" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/0265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to decrease temperature of the exhaust gas treating apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/027" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to purge or regenerate the exhaust gas treating apparatus</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/0275" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the exhaust gas treating apparatus being a NOx trap or adsorbent</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/028" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Desulfurisation of NOx traps or adsorbent</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/0285" definition-exists="false" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the exhaust gas treating apparatus being a SOx trap or adsorbent</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/029" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the exhaust gas treating apparatus being a particulate filter</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/0295" definition-exists="true" ipc-concordant="F02D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/0295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/04" definition-exists="false" ipc-concordant="F02D41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Introducing corrections for particular operating conditions </text><reference><text><class-ref scheme="cpc">F02D41/14</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/042" definition-exists="true" ipc-concordant="F02D41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for stopping the engine</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/045" definition-exists="false" ipc-concordant="F02D41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detection of accelerating or decelerating state </text><reference><text>detection thereof in general <class-ref scheme="cpc">G01P</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/047" definition-exists="true" ipc-concordant="F02D41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Taking into account fuel evaporation or wall wetting; </text><reference><text>special correction after fuel cut-off <class-ref scheme="cpc">F02D41/126</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/06" definition-exists="true" ipc-concordant="F02D41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engine starting or warming up </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F02D41/0255</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/061" definition-exists="true" ipc-concordant="F02D41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the corrections being time dependent</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/062" definition-exists="true" ipc-concordant="F02D41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for starting </text><reference><text><class-ref scheme="cpc">F02D41/061</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/064" definition-exists="true" ipc-concordant="F02D41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at cold start </text><reference><text><class-ref scheme="cpc">F02D41/067</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/065" definition-exists="true" ipc-concordant="F02D41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at hot start or restart </text><reference><text><class-ref scheme="cpc">F02D41/067</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/067" definition-exists="true" ipc-concordant="F02D41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with control of the choke </text><reference><text>non electronic control of choke <u>see</u> <class-ref scheme="cpc">F02M1/10</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/068" definition-exists="true" ipc-concordant="F02D41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for warming-up</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/08" definition-exists="true" ipc-concordant="F02D41/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for idling </text><reference><text><class-ref scheme="cpc">F02D41/06</class-ref>, <class-ref scheme="cpc">F02D41/16</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/083" definition-exists="true" ipc-concordant="F02D41/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>F02D41/083</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>taking into account engine load variation, e.g. air-conditionning</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/086" definition-exists="false" ipc-concordant="F02D41/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>taking into account the temperature of the engine</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/10" definition-exists="true" ipc-concordant="F02D41/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for acceleration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/102" definition-exists="true" ipc-concordant="F02D41/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Switching from sequential injection to simultaneous injection</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/105" definition-exists="true" ipc-concordant="F02D41/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using asynchronous injection</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/107" definition-exists="false" ipc-concordant="F02D41/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and deceleration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/12" definition-exists="false" ipc-concordant="F02D41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for deceleration </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F02D41/0005</class-ref>, <class-ref scheme="cpc">F02D41/107</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/123" definition-exists="true" ipc-concordant="F02D41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the fuel injection being cut-off</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/126" definition-exists="true" ipc-concordant="F02D41/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02D41/126</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>transitional corrections at the end of the cut-off period</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/14" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Introducing closed-loop corrections</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/1401" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1401</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the control or regulation method </text><reference><text><class-ref scheme="cpc">F02D41/1473</class-ref>, <class-ref scheme="cpc">F02D41/1477</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1402" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adaptive control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1403" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sliding mode control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1404" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuzzy logic control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1405" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Neural network control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1406" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with use of a optimisation method, e.g. iteration</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1408" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dithering techniques</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/1409" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using at least a proportional, integral or derivative controller</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/141" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a feed-forward control element</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/1411" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a finite or infinite state machine, automaton or state graph for controlling or modelling</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/1412" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1412</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a predictive controller</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/1413" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controller structures or design</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1415" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1415</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a state feedback or a state space representation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D41/1416" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Observer</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D41/1417" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1417</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Kalman filter</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1418" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Several control loops, either as alternatives or simultaneous</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D41/1419" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1419</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the control loops being cascaded, i.e. being placed in series or nested</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/142" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using different types of control law in combination, e.g. adaptive combined with PID and sliding mode</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1422" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Variable gain or coefficients</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1423" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Identification of model or controller parameters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1424" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1424</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pole-zero cancellation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1425" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a bond graph model or models with nodes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1426" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>taking into account control stability</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1427" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Decoupling, i.e. using a feedback such that one output is controlled by only one input</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1429" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1429</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Linearisation, i.e. using a feedback law such that the system evolves as a linear one</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/143" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the control loop including a non-linear model or compensator</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1431" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1431</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system including an input-output delay</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1432" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1432</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system including a filter, e.g. a low pass or high pass filter</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/1433" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a model or simulation of the system</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1434" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1434</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inverse model</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1436" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hybrid model</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1437" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1437</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Simulation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/1438" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using means for determining characteristics of the combustion gases; Sensors therefor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1439" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1439</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the position of the sensor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/144" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sensor in intake manifold</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1441" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plural sensors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1443" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with one sensor per cylinder or group of cylinders</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1444" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1444</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the characteristics of the combustion gases</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1445" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being related to the exhaust flow</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1446" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being exhaust temperatures</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1447" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1447</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination means using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1448" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1448</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being an exhaust gas pressure</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/145" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination means using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1451" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1451</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensor being an optical sensor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1452" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1452</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being a COx content or concentration</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1453" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being a CO content or concentration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1454" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being an oxygen content or concentration or the air-fuel ratio</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1455" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1455</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with sensor resistivity varying with oxygen concentration </text><reference><text><class-ref scheme="cpc">F02D41/1456</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1456" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1456</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with sensor output signal being linear or quasi-linear with the concentration of oxygen</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1458" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1458</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination means using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1459" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1459</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being a hydrocarbon content or concentration</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/146" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being an NOx content or concentration</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1461" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the exhaust gases emitted by the engine</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02D41/1462" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination means using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1463" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the exhaust gases downstream of exhaust gas treatment apparatus</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02D41/1465" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination means using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1466" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being a soot concentration or content</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1467" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1467</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination means using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1468" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being an ammonia content or concentration of the exhaust gases</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D41/1469" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with determination means using an estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/147" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being a hydrogen content or concentration of the exhaust gases</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/1472" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/1472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the characteristics being a humidity or water content of the exhaust gases</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1473" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1473</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the regulation method</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1474" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1474</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by detecting the commutation time of the sensor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1475" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D41/1475</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Regulating the air fuel ratio at a value other than stoichiometry</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1476" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Biasing of the sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1477" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1479" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1479</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Using a comparator with variable reference</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/148" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Using a plurality of comparators</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1481" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Using a delaying circuit</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1482" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1482</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Integrator, i.e. variable slope</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1483" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Proportional component</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1484" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1484</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Output circuit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1486" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with correction for particular operating conditions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1487" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1487</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Correcting the instantaneous control value</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1488" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inhibiting the regulation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1489" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1489</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Replacing of the control value by a constant</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/149" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/149</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Replacing of the control value by an other parameter</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/1491" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1491</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Replacing of the control value by a mean value</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1493" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1493</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1494" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1494</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of sensor heater</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1495" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1495</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detection of abnormalities in the air/fuel ratio feedback system</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/1496" definition-exists="false" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1496</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measurement of the conductivity of a sensor </text><reference><text><class-ref scheme="cpc">F02D41/1455</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/1497" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1497</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>With detection of the mechanical response of the engine</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/1498" definition-exists="true" ipc-concordant="F02D41/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/1498</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring engine roughness</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/16" definition-exists="false" ipc-concordant="F02D41/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for idling</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/18" definition-exists="true" ipc-concordant="F02D41/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D41/18</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by measuring intake air flow</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/182" definition-exists="false" ipc-concordant="F02D41/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the control of a fuel injection device</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/185" definition-exists="false" ipc-concordant="F02D41/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a vortex flow sensor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/187" definition-exists="false" ipc-concordant="F02D41/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a hot wire flow sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/20" definition-exists="true" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D41/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Output circuits, e.g. for controlling currents in command coils</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/2003" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2006" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a boost capacitor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/201" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/201</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a boost inductance</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2013" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a boost voltage source</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/2017" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using means for creating a boost current or using reference switching</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/202" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the control of the circuit</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2024" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the control switching a load after time-on and time-off pulses</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/2027" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of the current by pulse width modulation or duty cycle control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2031" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of the current by means of delays or monostable multivibrators</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2034" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of the current gradient</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2037" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for preventing bouncing of the valve needle</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2041" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for controlling the current in the free-wheeling phase</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2044" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pre-magnetisation or post-magnetisation of the coils</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2048" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said control involving a limitation, e.g. applying current or voltage limits</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2051" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using voltage control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2055" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for determining actual opening or closing time</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2058" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using information of the actual current value</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/2062" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the current value is determined by simulation or estimation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2065" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the control being related to the coil temperature</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/2068" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the circuit design or special circuit elements</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2072" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bridge circuits, i.e. the load being placed in the diagonal of a bridge to be controlled in both directions</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2075" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Type of transistors or particular use thereof</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2079" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2079</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the circuit having several coils acting on the same anchor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2082" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the circuit being adapted to distribute current between different actuators or recuperate energy from actuators</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/2086" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for detecting circuit failures</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2089" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>detecting open circuits</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/2093" definition-exists="false" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/2093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>detecting short circuits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/2096" definition-exists="true" ipc-concordant="F02D41/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>F02D41/2096</classification-symbol><class-title date-revised="2023-02-01"><title-part><CPC-specific-text><text>for controlling piezo-electric injectors </text><reference><text>drive and control circuit for piezo-electric devices in general <class-ref scheme="cpc">H10N30/802</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/22" definition-exists="true" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety or indicating devices for abnormal conditions </text><CPC-specific-text><reference><text>in air/fuel ratio feedback systems <class-ref scheme="cpc">F02D41/1495</class-ref>, in electric control linkage <class-ref scheme="cpc">F02D11/107</class-ref>, in purge control systems <class-ref scheme="cpc">F02M25/0809</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/221" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>relating to the failure of actuators or electrically driven elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/222" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>relating to the failure of sensors or parameter detection devices</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/223" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Diagnosis of fuel pressure sensors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/224" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Diagnosis of the fuel system</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/225" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Leakage detection</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/226" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fail safe control for fuel injection pump</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/227" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Limping Home, i.e. taking specific engine control measures at abnormal conditions</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/228" definition-exists="false" ipc-concordant="F02D41/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Warning displays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/24" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of digital means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/2403" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using essentially up/down counters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/2406" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using essentially read only memories</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/2409" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Addressing techniques specially adapted therefor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/2412" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2412</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>One-parameter addressing technique</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/2416" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Interpolation techniques</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/2419" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2419</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-linear variation along at least one coordinate</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/2422" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selective use of one or more tables</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/2425" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular ways of programming the data</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/2429" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2429</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods of calibrating or learning</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/2432" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2432</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods of calibration</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/2435" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the writing medium, e.g. bar code</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/2438" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Active learning methods</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/2441" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the learning conditions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/2445" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by a plurality of learning conditions or ranges</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/2448" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2448</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Prohibition of learning</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/2451" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2451</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by what is learned or calibrated</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/2454" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Learning of the air-fuel ratio control</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02D41/2458" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2458</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an additional dither signal</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02D41/2461" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by learning a value and then controlling another value</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/2464" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Characteristics of actuators</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="F02D41/2467" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2467</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for injectors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="F02D41/247" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Behaviour for small quantities</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/2474" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2474</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Characteristics of sensors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/2477" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the method used for learning</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/248" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of learned values</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/2483" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>restricting learned values</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/2487" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2487</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods for rewriting</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/249" definition-exists="true" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/249</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods for preventing the loss of data</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/2493" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2493</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Resetting of data to a predefined set of values</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/2496" definition-exists="false" ipc-concordant="F02D41/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/2496</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the memory being part of a closed loop</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/26" definition-exists="false" ipc-concordant="F02D41/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using computer, e.g. microprocessor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/263" definition-exists="false" ipc-concordant="F02D41/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the program execution being modifiable by physical parameters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/266" definition-exists="true" ipc-concordant="F02D41/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the computer being backed-up or assisted by another circuit, e.g. analogue</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/28" definition-exists="true" ipc-concordant="F02D41/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interface circuits</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/281" definition-exists="false" ipc-concordant="F02D41/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between sensors and control unit</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/283" definition-exists="false" ipc-concordant="F02D41/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensor directly giving at least one digital reading</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/285" definition-exists="false" ipc-concordant="F02D41/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02D2041/285</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>the sensor having a signal processing unit external to the engine control unit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/286" definition-exists="false" ipc-concordant="F02D41/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising means for signal processing</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D41/288" definition-exists="false" ipc-concordant="F02D41/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for performing a transformation into the frequency domain, e.g. Fourier transformation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D41/30" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling fuel injection </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F02D41/182</class-ref>, <class-ref scheme="cpc">F02D41/24</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/3005" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details not otherwise provided for</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/3011" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>according to or using specific or several modes of combustion</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/3017" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the mode(s) being used</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/3023" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>a mode being the stratified charge spark-ignited mode</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/3029" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>further comprising a homogeneous charge spark-ignited mode</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/3035" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>a mode being the premixed charge compression-ignition mode</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/3041" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for triggering compression ignition, e.g. spark plug</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/3047" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said means being a secondary injection of fuel</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/3052" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/3052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the mode being the stratified charge compression-ignition mode</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/3058" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the engine working with a variable number of cycles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/3064" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with special control during transition between modes</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/307" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to avoid torque shocks</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/3076" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/3082" definition-exists="true" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of electrical fuel pumps</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D41/3088" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/3088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for air assisted injectors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/3094" definition-exists="false" ipc-concordant="F02D41/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/32" definition-exists="true" ipc-concordant="F02D41/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the low pressure type </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F02D41/3082</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/34" definition-exists="true" ipc-concordant="F02D41/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D41/34</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with means for controlling injection timing or duration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/345" definition-exists="false" ipc-concordant="F02D41/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling injection timing </text><reference><text><class-ref scheme="cpc">F02D41/365</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/36" definition-exists="true" ipc-concordant="F02D41/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D41/36</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with means for controlling distribution</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/365" definition-exists="false" ipc-concordant="F02D41/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for controlling timing and distribution</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02D41/38" definition-exists="true" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the high pressure type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/3809" definition-exists="false" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3809</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Common rail control systems </text><reference><text>common rail apparatus <class-ref scheme="cpc">F02M55/025</class-ref>, <class-ref scheme="cpc">F02M63/0225</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/3818" definition-exists="false" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3818</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for petrol engines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/3827" definition-exists="false" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3827</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for diesel engines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/3836" definition-exists="true" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3836</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the fuel pressure</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/3845" definition-exists="true" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3845</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling the flow into the common rail, e.g. the amount of fuel pumped</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/3854" definition-exists="true" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3854</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with elements in the low pressure part, e.g. low pressure pump</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/3863" definition-exists="true" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3863</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling the flow out of the common rail, e.g. using pressure relief valves</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02D41/3872" definition-exists="true" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/3872</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by leakage flow in injectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D41/3881" definition-exists="false" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/3881</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple common rails, e.g. one rail per cylinder bank, or a high pressure rail and a low pressure rail</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D41/389" definition-exists="false" ipc-concordant="F02D41/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D2041/389</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for injecting directly into the cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02D41/40" definition-exists="false" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for controlling injection timing or duration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/401" definition-exists="false" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/401</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling injection timing </text><reference><text><class-ref scheme="cpc">F02D41/402</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/402" definition-exists="false" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple injections</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/403" definition-exists="false" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with pilot injections</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/405" definition-exists="false" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with post injections</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02D41/406" definition-exists="false" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrically controlling a diesel injection pump </text><reference><text><class-ref scheme="cpc">F02D41/401</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/407" definition-exists="true" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the in-line type</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02D41/408" definition-exists="true" ipc-concordant="F02D41/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D41/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the distributing type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D43/00" definition-exists="true" ipc-concordant="F02D43/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D43/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D43/02" definition-exists="false" ipc-concordant="F02D43/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D43/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using only analogue means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02D43/04" definition-exists="false" ipc-concordant="F02D43/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02D43/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using only digital means</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02D45/00" definition-exists="true" ipc-concordant="F02D45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F02D45/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Electrical control not provided for in groups <class-ref scheme="cpc">F02D41/00</class-ref> - <class-ref scheme="cpc">F02D43/00</class-ref></text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F02D200/00" date-revised="2013-01-01" status="published"><classification-symbol>F02D2200/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02D200/00" 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>F02D2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Input parameters for engine control</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D200/02" 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>F02D2200/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the parameters being related to the engine</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/021" 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>F02D2200/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine temperature</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/022" 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>F02D2200/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of engine temperature</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/023" 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>F02D2200/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature of lubricating oil or working fluid</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/024" 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>F02D2200/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluid pressure of lubricating oil or working fluid</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/025" 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>F02D2200/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine noise, e.g. determined by using an acoustic sensor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/04" 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>F02D2200/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine intake system parameters</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0402" 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>F02D2200/0402</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the parameter being determined by using a model of the engine intake or its components</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0404" 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>F02D2200/0404</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Throttle position</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0406" 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>F02D2200/0406</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intake manifold pressure</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/0408" 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>F02D2200/0408</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of intake manifold pressure</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0411" 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>F02D2200/0411</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Volumetric efficiency</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0414" 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>F02D2200/0414</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air temperature</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/0416" 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>F02D2200/0416</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of air temperature</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0418" 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>F02D2200/0418</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air humidity</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/06" 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>F02D2200/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel or fuel supply system parameters</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0602" 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>F02D2200/0602</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pressure</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/0604" 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>F02D2200/0604</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of fuel pressure</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0606" 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>F02D2200/0606</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel temperature</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/0608" 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>F02D2200/0608</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of fuel temperature</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0611" 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>F02D2200/0611</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel type, fuel composition or fuel quality</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/0612" 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>F02D2200/0612</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>determined by estimation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0614" 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>F02D2200/0614</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Actual fuel mass or fuel injection amount</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/0616" 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>F02D2200/0616</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>determined by estimation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0618" 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>F02D2200/0618</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Actual fuel injection timing or delay, e.g. determined from fuel pressure drop</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0625" 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>F02D2200/0625</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel consumption, e.g. measured in fuel liters per 100 kms or miles per gallon</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/063" 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>F02D2200/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lift of the valve needle</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/08" 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>F02D2200/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Exhaust gas treatment apparatus parameters</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0802" 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>F02D2200/0802</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature of the exhaust gas treatment apparatus</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/0804" 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>F02D2200/0804</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of the temperature of the exhaust gas treatment apparatus</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0806" 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>F02D2200/0806</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>NOx storage amount, i.e. amount of NOx stored on NOx trap</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0808" 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>F02D2200/0808</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>NOx storage capacity, i.e. maximum amount of NOx that can be stored on NOx trap</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0811" 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>F02D2200/0811</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>NOx storage efficiency</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0812" 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>F02D2200/0812</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle filter loading</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0814" 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>F02D2200/0814</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxygen storage amount</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0816" 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>F02D2200/0816</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxygen storage capacity</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/0818" 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>F02D2200/0818</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>SOx storage amount, e.g. for SOx trap or NOx trap</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/10" 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>F02D2200/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Parameters related to the engine output, e.g. engine torque or engine speed</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/1002" 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>F02D2200/1002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Output torque</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D200/1004" 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>F02D2200/1004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of the output torque</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/1006" 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>F02D2200/1006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine torque losses, e.g. friction or pumping losses or losses caused by external loads of accessories</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/101" 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>F02D2200/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine speed</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/1012" 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>F02D2200/1012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine speed gradient</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/1015" 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>F02D2200/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engines misfires</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D200/50" 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>F02D2200/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>said parameters being related to the vehicle or its components</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/501" 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>F02D2200/501</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vehicle speed</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/502" 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>F02D2200/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Neutral gear position</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/503" 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>F02D2200/503</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Battery correction, i.e. corrections as a function of the state of the battery, its output or its type</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D200/60" 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>F02D2200/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>said parameters being related to the driver demands or status</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/602" 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>F02D2200/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pedal position</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/604" 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>F02D2200/604</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine control mode selected by driver, e.g. to manually start particle filter regeneration or to select driving style</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/606" 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>F02D2200/606</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Driving style, e.g. sporty or economic driving</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D200/70" 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>F02D2200/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>said parameters being related to the vehicle exterior</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/701" 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>F02D2200/701</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Information about vehicle position, e.g. from navigation system or GPS signal</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/702" 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>F02D2200/702</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Road conditions</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D200/703" 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>F02D2200/703</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Atmospheric pressure</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D200/704" 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>F02D2200/704</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Estimation of atmospheric pressure</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F02D250/00" date-revised="2013-01-01" status="published"><classification-symbol>F02D2250/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling, e.g. regulating, fuel injection </text><reference><text>peculiar to engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures <class-ref scheme="cpc">F02D19/00</class-ref>; peculiar to supercharged engines <class-ref scheme="cpc">F02D23/00</class-ref>; automatic controllers for prime movers, in general <class-ref scheme="cpc">G05D</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02D250/00" 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>F02D2250/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine control related to specific problems or objectives</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/02" 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>F02D2250/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel evaporation in fuel rails, e.g. in common rails</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/04" 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>F02D2250/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel pressure pulsation in common rails</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/06" 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>F02D2250/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reverse rotation of engine</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/08" 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>F02D2250/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine blow-by from crankcase chamber</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/11" 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>F02D2250/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil dilution, i.e. prevention thereof or special controls according thereto</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/12" 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>F02D2250/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Timing of calculation, i.e. specific timing aspects when calculation or updating of engine parameter is performed</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/14" 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>F02D2250/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Timing of measurement, e.g. synchronisation of measurements to the engine cycle</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/16" 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>F02D2250/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>End position calibration, i.e. calculation or measurement of actuator end positions, e.g. for throttle or its driving actuator</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/18" 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>F02D2250/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of the engine output torque</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D250/21" 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>F02D2250/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>during a transition between engine operation modes or states</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D250/22" 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>F02D2250/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D250/24" 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>F02D2250/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using an external load, e.g. a generator</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D250/26" 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>F02D2250/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by applying a torque limit</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/28" 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>F02D2250/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control for reducing torsional vibrations, e.g. at acceleration</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/31" 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>F02D2250/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of the fuel pressure</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/32" 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>F02D2250/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air-fuel ratio control in a diesel engine</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/34" 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>F02D2250/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of exhaust back pressure, e.g. for turbocharged engines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/36" 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>F02D2250/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control for minimising NOx emissions</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/38" 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>F02D2250/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control for minimising smoke emissions, e.g. by applying smoke limitations on the fuel injection amount</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D250/41" 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>F02D2250/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control to generate negative pressure in the intake manifold, e.g. for fuel vapor purging or brake booster</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02D400/00" 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>F02D2400/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control systems adapted for specific engine types</text></title-part><title-part><text>Special features of engine control systems not otherwise provided for</text></title-part><title-part><text>Power supply, connectors or cabling for engine control systems</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/02" 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>F02D2400/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Four-stroke combustion engines with electronic control</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/04" 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>F02D2400/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two-stroke combustion engines with electronic control</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/06" 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>F02D2400/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Small engines with electronic control, e.g. for hand held tools</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/08" 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>F02D2400/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Redundant elements, e.g. two sensors for measuring the same parameter</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/11" 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>F02D2400/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-sales modification devices designed to be used to modify an engine afterwards</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/12" 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>F02D2400/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine control specially adapted for a transmission comprising a torque converter or for continuously variable transmissions</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/14" 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>F02D2400/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Power supply for engine control systems</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/16" 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>F02D2400/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adaptation of engine control systems to a different battery voltages, e.g. for using high voltage batteries</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/18" 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>F02D2400/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Packaging of the electronic circuit in a casing</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/21" 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>F02D2400/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine cover with integrated cabling</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D400/22" 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>F02D2400/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Connectors or cables specially adapted for engine management applications</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02D700/00" 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>F02D2700/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical control of speed or power of a single cylinder piston engine</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D700/02" 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>F02D2700/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling by changing the air or fuel supply</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D700/0202" 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>F02D2700/0202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engines working with gaseous fuel, including those working with an ignition liquid</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0205" 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>F02D2700/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the air supply as well as the fuel supply</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0207" 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>F02D2700/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the air or mixture supply</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/021" 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>F02D2700/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engines without compressor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0212" 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>F02D2700/0212</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engines with compressor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0215" 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>F02D2700/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the fuel supply</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D700/0217" 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>F02D2700/0217</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for mixture compressing engines using liquid fuel</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/022" 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>F02D2700/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the air or the mixture supply as well as the fuel supply</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0223" 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>F02D2700/0223</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engines with fuel injection</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0225" 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>F02D2700/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of air or mixture supply</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0228" 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>F02D2700/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engines without compressor</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/023" 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>F02D2700/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of one throttle device</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D700/0233" 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>F02D2700/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on several parameters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D700/0235" 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>F02D2700/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on the pressure of a gaseous or liquid medium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D700/0238" 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>F02D2700/0238</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on the number of revolutions of a centrifugal governor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D700/0241" 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>F02D2700/0241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on another parameter</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0243" 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>F02D2700/0243</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of a plurality of throttle devices</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0246" 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>F02D2700/0246</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engines with compressor</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0248" 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>F02D2700/0248</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of throttle devices</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D700/0251" 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>F02D2700/0251</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the intake conduit</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="F02D700/0253" 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>F02D2700/0253</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the outlet conduit</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0256" 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>F02D2700/0256</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by changing the speed of the compressor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0258" 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>F02D2700/0258</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>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0261" 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>F02D2700/0261</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of the fuel supply</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0264" 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>F02D2700/0264</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engines with a fuel jet working with depression</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0266" 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>F02D2700/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for engines with fuel injection</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D700/0269" 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>F02D2700/0269</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for air compressing engines with compression ignition</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0271" 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>F02D2700/0271</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the air supply as well as the fuel supply</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0274" 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>F02D2700/0274</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the air supply</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0276" 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>F02D2700/0276</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engines without compressor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0279" 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>F02D2700/0279</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engines with compressor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/0282" 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>F02D2700/0282</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of fuel supply</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0284" 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>F02D2700/0284</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by acting on the fuel pump control element</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0287" 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>F02D2700/0287</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on several parameters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0289" 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>F02D2700/0289</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on the pressure of a gaseous or liquid medium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0292" 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>F02D2700/0292</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on the speed of a centrifugal governor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="F02D700/0294" 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>F02D2700/0294</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>depending on another parameter</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02D700/0297" 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>F02D2700/0297</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by control means in the fuel conduit between pump and injector</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D700/03" 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>F02D2700/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling by changing the compression ratio</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D700/035" 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>F02D2700/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without modifying the volume of the compression space, e.g. by changing the valve timing</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D700/04" 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>F02D2700/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling by throttling the exhaust conduit</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D700/05" 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>F02D2700/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling by preventing combustion in one or more cylinders</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02D700/052" 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>F02D2700/052</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods therefor</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/054" 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>F02D2700/054</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by keeping the exhaust valves open</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/056" 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>F02D2700/056</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by interrupting the medium supply</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02D700/058" 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>F02D2700/058</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by another method</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D700/07" 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>F02D2700/07</classification-symbol><class-title date-revised="2017-05-01"><title-part><text>Automatic control systems according to one of the preceding groups in combination with control of the mechanism receiving the engine power</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D700/09" 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>F02D2700/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other ways of controlling</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02D700/10" 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>F02D2700/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of the timing of the fuel supply period with relation to the piston movement</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |