blabla/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-F02P.xml

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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F02P" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F02P</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES</text></title-part><title-part><text>TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES </text><reference><CPC-specific-text><text>anti-pollution means for internal-combustion engines <class-ref scheme="cpc">F02B17/00</class-ref></text></CPC-specific-text><text>; specially adapted for rotary-piston or oscillating-piston engines <class-ref scheme="cpc">F02B53/12</class-ref>; </text><CPC-specific-text><text>ignition of gas turbine plants <class-ref scheme="cpc">F02C7/26</class-ref>; ignition of jet propulsion plants <class-ref scheme="cpc">F02K9/95</class-ref>; starting of combustion engines <class-ref scheme="cpc">F02N9/00</class-ref></text></CPC-specific-text><text>; ignition of combustion apparatus in general, glowing plugs <class-ref scheme="cpc">F23Q</class-ref>; measuring of physical variables in general <class-ref scheme="cpc">G01</class-ref>; controlling in general <class-ref scheme="cpc">G05</class-ref>; data processing in general <class-ref scheme="cpc">G06</class-ref>; electrical components in general <u>see</u> Section <class-ref scheme="cpc">H</class-ref>; </text><CPC-specific-text><text>ignition coils <class-ref scheme="cpc">H01F38/12</class-ref></text></CPC-specific-text><text>; sparking plugs <class-ref scheme="cpc">H01T13/00</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph>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.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02P1/00" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric spark ignition installations characterised by the type of ignition power generation or storage</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P1/00" definition-exists="true" ipc-concordant="F02P1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Installations having electric ignition energy generated by magneto- or dynamo- electric generators without subsequent storage </text><CPC-specific-text><reference><text>combination starter-magneto <class-ref scheme="cpc">F02N11/06</class-ref>; magneto- or dynamo-electric generators <class-ref scheme="cpc">H02K21/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P1/005" definition-exists="false" ipc-concordant="F02P1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02P1/005</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Construction and fastening of elements of magnetos other than the magnetic circuit and the windings </text><reference><text><class-ref scheme="cpc">F02P1/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02P1/08</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P1/02" definition-exists="false" ipc-concordant="F02P1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the generator rotor being characterised by forming part of the engine flywheel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P1/04" definition-exists="false" ipc-concordant="F02P1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the generator being specially adapted for use with specific engine types, e.g. engines with V arrangement of cylinders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P1/06" definition-exists="false" ipc-concordant="F02P1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generator drives, e.g. having snap couplings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P1/08" definition-exists="true" ipc-concordant="F02P1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Layout of circuits</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P1/083" definition-exists="true" ipc-concordant="F02P1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for generating sparks by opening or closing a coil circuit</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P1/086" definition-exists="true" ipc-concordant="F02P1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P1/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for generating sparks by discharging a capacitor into a coil circuit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P3/00" definition-exists="true" ipc-concordant="F02P3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other installations</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P3/005" definition-exists="false" ipc-concordant="F02P3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having inductive-capacitance energy storage </text><reference><text>capacitive storage installations using an intermediate charging inductance <class-ref scheme="cpc">F02P3/0876</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P3/01" definition-exists="false" ipc-concordant="F02P3/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator </text><reference><text>with magneto- or dynamo-electric generators <class-ref scheme="cpc">F02P1/00</class-ref>; piezo-electric ignition <class-ref scheme="cpc">F02P3/12</class-ref>; with continuous electric spark <class-ref scheme="cpc">F02P15/10</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P3/02" definition-exists="true" ipc-concordant="F02P3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having inductive energy storage, e.g. arrangements of induction coils </text><CPC-specific-text><reference><text>ignition coils structurally combined with sparking plugs <class-ref scheme="cpc">F02P13/00</class-ref>; constructional details of ignition coils <class-ref scheme="cpc">H01F38/12</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P3/04" definition-exists="false" ipc-concordant="F02P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Layout of circuits</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/0407" definition-exists="false" ipc-concordant="F02P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02P3/0407</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Opening or closing the primary coil circuit with electronic switching means </text><reference><text><class-ref scheme="cpc">F02P3/045</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02P3/055</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0414" definition-exists="false" ipc-concordant="F02P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0414</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques </text><reference><text><class-ref scheme="cpc">F02P3/0428</class-ref>, <class-ref scheme="cpc">F02P3/0442</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0421" definition-exists="false" ipc-concordant="F02P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electronic tubes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0428" definition-exists="false" ipc-concordant="F02P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0435" definition-exists="false" ipc-concordant="F02P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>F02P3/0435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with semiconductor devices </text><reference><text><class-ref scheme="cpc">F02P3/0453</class-ref>, <class-ref scheme="cpc">F02P3/051</class-ref>, <class-ref scheme="cpc">F02P3/0552</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0442" definition-exists="false" ipc-concordant="F02P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques </text><reference><text><class-ref scheme="cpc">F02P3/0456</class-ref>, <class-ref scheme="cpc">F02P3/053</class-ref>, <class-ref scheme="cpc">F02P3/0554</class-ref>, <class-ref scheme="cpc">F02P3/0558</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/045" definition-exists="false" ipc-concordant="F02P3/045" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for control of the dwell or anti dwell time</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0453" definition-exists="false" ipc-concordant="F02P3/045" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Opening or closing the primary coil circuit with semiconductor devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0456" definition-exists="false" ipc-concordant="F02P3/045" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0456</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/05" definition-exists="false" ipc-concordant="F02P3/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for control of the magnitude of the current in the ignition coil </text><reference><text>during starting <class-ref scheme="cpc">F02P15/12</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/051" definition-exists="false" ipc-concordant="F02P3/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Opening or closing the primary coil circuit with semiconductor devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/053" definition-exists="false" ipc-concordant="F02P3/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/055" definition-exists="false" ipc-concordant="F02P3/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with protective means to prevent damage to the circuit, </text><CPC-specific-text><text>e.g. semiconductor devices</text></CPC-specific-text><text> or the ignition coil</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0552" definition-exists="false" ipc-concordant="F02P3/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0552</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Opening or closing the primary coil circuit with semiconductor devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0554" definition-exists="false" ipc-concordant="F02P3/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0554</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques </text><reference><text><class-ref scheme="cpc">F02P3/0558</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0556" definition-exists="false" ipc-concordant="F02P3/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0556</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Protecting the coil when the engine is stopped</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F02P3/0558" definition-exists="false" ipc-concordant="F02P3/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0558</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P3/06" definition-exists="true" ipc-concordant="F02P3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having capacitive energy storage </text><reference><text>piezo-electric or electrostatic ignition <class-ref scheme="cpc">F02P3/12</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P3/08" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Layout of circuits </text><reference><text>for low tension <class-ref scheme="cpc">F02P3/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/0807" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Closing the discharge circuit of the storage capacitor with electronic switching means </text><reference><text><class-ref scheme="cpc">F02P3/0853</class-ref>, <class-ref scheme="cpc">F02P3/0876</class-ref>, <class-ref scheme="cpc">F02P3/09</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0815" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques </text><reference><text><class-ref scheme="cpc">F02P3/083</class-ref>, <class-ref scheme="cpc">F02P3/0846</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0823" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0823</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electronic tubes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/083" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0838" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with semiconductor devices </text><reference><text><class-ref scheme="cpc">F02P3/0861</class-ref>, <class-ref scheme="cpc">F02P3/0884</class-ref>, <class-ref scheme="cpc">F02P3/093</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0846" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0846</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques </text><reference><text><class-ref scheme="cpc">F02P3/0869</class-ref>, <class-ref scheme="cpc">F02P3/0892</class-ref>, <class-ref scheme="cpc">F02P3/096</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/0853" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0853</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for control of the dwell or anti-dwell time</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0861" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Closing the discharge circuit of the storage capacitor with semiconductor devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0869" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0869</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/0876" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the storage capacitor being charged by means of an energy converter (DC-DC converter) or of an intermediate storage inductance</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/0884" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0884</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Closing the discharge circuit of the storage capacitor with semiconductor devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/0892" definition-exists="false" ipc-concordant="F02P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/0892</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P3/09" definition-exists="false" ipc-concordant="F02P3/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for control of the charging current in the capacitor </text><reference><text><class-ref scheme="cpc">F02P15/12</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P3/093" definition-exists="false" ipc-concordant="F02P3/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Closing the discharge circuit of the storage capacitor with semiconductor devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P3/096" definition-exists="false" ipc-concordant="F02P3/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital techniques</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P3/10" definition-exists="true" ipc-concordant="F02P3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Low-tension installation, e.g. using surface-discharge sparking plugs</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P3/12" definition-exists="true" ipc-concordant="F02P3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Piezo-electric ignition</text></title-part><title-part><text>Electrostatic ignition</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02P5/00" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Advancing or retarding electric ignition spark</text></title-part><title-part><text>Arrangements of distributors or of circuit-makers or -breakers for electric spark ignition</text></title-part><title-part><text>Electric spark ignition control or safety means, not otherwise provided for</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P5/00" definition-exists="true" ipc-concordant="F02P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Advancing or retarding ignition</text></title-part><title-part><text>Control therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P5/005" definition-exists="false" ipc-concordant="F02P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with combination of automatic and non- automatic means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P5/02" definition-exists="false" ipc-concordant="F02P5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>non-automatically</text></title-part><title-part><text>dependent on position of personal controls of engine, e.g. throttle position</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P5/04" definition-exists="false" ipc-concordant="F02P5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions </text><reference><text>dependent on position of personal controls of engine <class-ref scheme="cpc">F02P5/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P5/045" definition-exists="true" ipc-concordant="F02P5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with electronic control of other engine functions, e.g. fuel injection </text><reference><text>in general <class-ref scheme="cpc">F02D37/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P5/05" definition-exists="false" ipc-concordant="F02P5/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P5/06" definition-exists="false" ipc-concordant="F02P5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on engine speed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/07" definition-exists="false" ipc-concordant="F02P5/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Centrifugal timing mechanisms</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/075" definition-exists="false" ipc-concordant="F02P5/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Centrifugal devices combined with other specific conditions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P5/10" definition-exists="false" ipc-concordant="F02P5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on fluid pressure in engine, e.g. combustion-air pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/103" definition-exists="false" ipc-concordant="F02P5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>dependent on the combustion-air pressure in engine</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/106" definition-exists="false" ipc-concordant="F02P5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combustion-air pressure devices combined with other specific conditions </text><reference><text>with centrifugal devices <class-ref scheme="cpc">F02P5/075</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/12" definition-exists="false" ipc-concordant="F02P5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent a specific pressure other than that of combustion-air, e.g. of exhaust, cooling fluid, lubricant</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P5/14" definition-exists="false" ipc-concordant="F02P5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on specific conditions other than engine speed or engine fluid pressure, e.g. temperature</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/142" definition-exists="false" ipc-concordant="F02P5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>dependent on a combination of several specific conditions </text><reference><text><class-ref scheme="cpc">F02P5/075</class-ref>, <class-ref scheme="cpc">F02P5/106</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P5/145" definition-exists="false" ipc-concordant="F02P5/145" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrical means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P5/1455" definition-exists="false" ipc-concordant="F02P5/145" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1455</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a second control of the closed loop type </text><reference><text>dependent on pinking <class-ref scheme="cpc">F02P5/152</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P5/15" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02P5/15</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Digital data processing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/1502" definition-exists="true" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1502</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using one central computing unit</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1504" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1504</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular means during a transient phase, e.g. acceleration, deceleration, gear change </text><reference><text>during starting <class-ref scheme="cpc">F02P5/1506</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1506" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1506</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular means during starting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1508" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1508</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular means during idling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/151" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/151</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for compensating the variation of the characteristics of the engine or of a sensor, e.g. by ageing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1512" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1512</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular means concerning an individual cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1514" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1514</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for optimising the use of registers or of memories, e.g. interpolation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1516" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1516</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means relating to exhaust gas recirculation, e.g. turbo</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/1518" definition-exists="false" ipc-concordant="F02P5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1518</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two or more central computing units, e.g. interpolation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/152" definition-exists="true" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/152</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on pinking </text><reference><text>detecting or indicating knocks in internal-combustion engines <class-ref scheme="cpc">G01L23/22</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1521" definition-exists="false" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1521</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular means during a transient phase, e.g. starting, acceleration, deceleration, gear change</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1522" definition-exists="false" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1522</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular means concerning an individual cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1523" definition-exists="false" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1523</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular laws of return to advance, e.g. step by step, differing from the laws of retard</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1525" definition-exists="false" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1525</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for compensating the variation of the characteristics of the pinking sensor or of the electrical means, e.g. by ageing </text><reference><text>when variation of characteristics results only from incorrect functioning <class-ref scheme="cpc">F02P5/1526</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1526" definition-exists="false" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for taking into account incorrect functioning of the pinking sensor or of the electrical means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1527" definition-exists="false" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1527</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means allowing burning of two or more fuels, e.g. super or normal, premium or regular</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1528" definition-exists="false" ipc-concordant="F02P5/152" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1528</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for turbocompressed engine</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/153" definition-exists="false" ipc-concordant="F02P5/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/153</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dependent on combustion pressure</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P5/155" definition-exists="false" ipc-concordant="F02P5/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/155</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Analogue data processing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/1551" definition-exists="false" ipc-concordant="F02P5/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1551</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by determination of elapsed time with reference to a particular point on the motor axle, dependent on specific conditions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/1553" definition-exists="false" ipc-concordant="F02P5/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1553</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by determination of elapsed angle with reference to a particular point on the motor axle, dependent on specific conditions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1555" definition-exists="false" ipc-concordant="F02P5/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1555</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a continuous control, dependent on speed</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02P5/1556" definition-exists="false" ipc-concordant="F02P5/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/1556</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a stepped control, dependent on speed</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P5/1558" definition-exists="false" ipc-concordant="F02P5/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02P5/1558</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>with special measures for starting</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P5/16" definition-exists="false" ipc-concordant="F02P5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the mechanical transmission between sensing elements or personal controls and final actuating elements</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P7/00" definition-exists="true" ipc-concordant="F02P7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of distributors, circuit-makers or -breakers, </text><CPC-specific-text><text>e.g. of distributor and circuit-breaker combinations</text></CPC-specific-text><text> or pick-up devices </text><reference><text>advancing or retarding ignition or control therefor <class-ref scheme="cpc">F02P5/00</class-ref>; such devices <u>per se, see</u> the relevant classes of Section <class-ref scheme="cpc">H</class-ref>, e.g. rotary switches  <class-ref scheme="cpc">H01H19/00</class-ref>, contact-breakers, distributors <class-ref scheme="cpc">H01R39/00</class-ref>, generators <class-ref scheme="cpc">H02K</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P7/02" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of distributors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/021" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical distributors</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/022" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the distributor rotor or electrode</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/023" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with magnetically controlled mechanical contacts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/025" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with noise suppression means specially adapted for the distributor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/026" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Distributors combined with other ignition devices, e.g. coils, fuel-injectors</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P7/027" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with centrifugal advance devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02P7/028" definition-exists="false" ipc-concordant="F02P7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with circuit-makers or -breakers </text><reference><text>and with centrifugal advance devices <class-ref scheme="cpc">F02P7/027</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/03" definition-exists="false" ipc-concordant="F02P7/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02P7/03</classification-symbol><class-title date-revised="2017-05-01"><title-part><text>with electrical means </text><reference><text>ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders <class-ref scheme="cpc">F02P15/08</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/035" definition-exists="false" ipc-concordant="F02P7/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without mechanical switching means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/04" definition-exists="false" ipc-concordant="F02P7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having distributors with air-tight casing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P7/06" definition-exists="true" ipc-concordant="F02P7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/061" definition-exists="false" ipc-concordant="F02P7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02P7/061</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>pick-up devices without mechanical contacts </text><reference><text><class-ref scheme="cpc">F02P7/067</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02P7/077</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/063" definition-exists="false" ipc-concordant="F02P7/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical pick-up devices, circuit-makers or -breakers, e.g. contact-breakers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0631" definition-exists="false" ipc-concordant="F02P7/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0631</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details of contacts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0632" definition-exists="false" ipc-concordant="F02P7/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0632</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rotary contacts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0634" definition-exists="false" ipc-concordant="F02P7/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0634</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of cams or cam-followers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0635" definition-exists="false" ipc-concordant="F02P7/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0635</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means to set the breaker gap</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0637" definition-exists="false" ipc-concordant="F02P7/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0637</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with several circuit-makers or -breakers actuated by the same cam</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0638" definition-exists="false" ipc-concordant="F02P7/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0638</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with noise suppression means specially adapted for the breakers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/067" definition-exists="true" ipc-concordant="F02P7/067" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F02P7/067</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Electromagnetic pick-up devices </text><CPC-specific-text><text>, e.g. providing induced current in a coil</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0672" definition-exists="false" ipc-concordant="F02P7/067" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0672</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using Wiegand effect</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0675" definition-exists="false" ipc-concordant="F02P7/067" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with variable reluctance, e.g. depending on the shape of a tooth</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0677" definition-exists="false" ipc-concordant="F02P7/067" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0677</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical arrangements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/07" definition-exists="false" ipc-concordant="F02P7/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hall-effect pick-up devices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/073" definition-exists="false" ipc-concordant="F02P7/073" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Optical pick-up devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/077" definition-exists="false" ipc-concordant="F02P7/077" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/077</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits therefor, e.g. pulse generators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P7/0775" definition-exists="true" ipc-concordant="F02P7/077" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/0775</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electronical verniers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P7/08" definition-exists="false" ipc-concordant="F02P7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having air-tight casings</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P7/10" definition-exists="false" ipc-concordant="F02P7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drives of distributors or of circuit-makers or -breakers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P9/00" definition-exists="true" ipc-concordant="F02P9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric spark ignition control, not otherwise provided for</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P9/002" definition-exists="false" ipc-concordant="F02P9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P9/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of spark intensity, intensifying, lengthening, suppression </text><reference><text>by means of current control in the storage devices <class-ref scheme="cpc">F02P3/05</class-ref>, <class-ref scheme="cpc">F02P3/09</class-ref>, during starting <class-ref scheme="cpc">F02P15/12</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P9/005" definition-exists="true" ipc-concordant="F02P9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by weakening or suppression of sparks to limit the engine speed</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P9/007" definition-exists="true" ipc-concordant="F02P9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P9/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P11/00" definition-exists="true" ipc-concordant="F02P11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety means for electric spark ignition, not otherwise provided for</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P11/02" definition-exists="false" ipc-concordant="F02P11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing damage to engines or engine-driven gearing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P11/025" definition-exists="false" ipc-concordant="F02P11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P11/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shortening the ignition when the engine is stopped </text><reference><text>to prevent damage to the coil <class-ref scheme="cpc">F02P3/0556</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P11/04" definition-exists="false" ipc-concordant="F02P11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing unauthorised use of engines </text><reference><text>of vehicles <class-ref scheme="cpc">B60R25/04</class-ref>; ignition locks <class-ref scheme="cpc">H01H27/00</class-ref></text></reference></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="F02P15/00" definition-exists="true" ipc-concordant="F02P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F02P15/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Electric spark ignition having characteristics not provided for in, or of interest apart from, groups <class-ref scheme="cpc">F02P1/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">F02P13/00</class-ref> </text><CPC-specific-text><text>and combined with layout of ignition circuits </text><reference><text>not combined <class-ref scheme="cpc">F02B</class-ref>, <class-ref scheme="cpc">F02C</class-ref>, <class-ref scheme="cpc">F02G</class-ref>, <class-ref scheme="cpc">F02K</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/001" definition-exists="false" ipc-concordant="F02P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ignition installations adapted to specific engine types </text><reference><text>ignition of jet propulsion plants <class-ref scheme="cpc">F02K9/95</class-ref>; for rotary piston engines <class-ref scheme="cpc">F02B53/12</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P15/003" definition-exists="false" ipc-concordant="F02P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Layout of ignition circuits for gas turbine plants </text><reference><text>ignition of gas turbine plants <u>per se</u> <class-ref scheme="cpc">F02C7/26</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P15/005" definition-exists="false" ipc-concordant="F02P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Layout of ignition circuits for rotary- or oscillating piston engines </text><reference><text>ignition of those engines <u>per se</u> <class-ref scheme="cpc">F02B53/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/006" definition-exists="false" ipc-concordant="F02P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ignition installations combined with other systems, e.g. fuel injection </text><reference><text>to advance or to retard the ignition spark <class-ref scheme="cpc">F02P5/045</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/008" definition-exists="false" ipc-concordant="F02P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reserve ignition systems; Redundancy of some ignition devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/02" definition-exists="true" ipc-concordant="F02P15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements having two or more sparking plugs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/04" definition-exists="false" ipc-concordant="F02P15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>one of the spark electrodes being mounted on the engine working piston</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/06" definition-exists="false" ipc-concordant="F02P15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the electric spark triggered by engine working cylinder compression</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/08" definition-exists="false" ipc-concordant="F02P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/10" definition-exists="false" ipc-concordant="F02P15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having continuous electric sparks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P15/12" definition-exists="false" ipc-concordant="F02P15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having means for strengthening spark during starting</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P17/00" definition-exists="true" ipc-concordant="F02P17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Testing of ignition installations, e.g. in combination with adjusting </text><reference><text>testing fuel injection apparatus <class-ref scheme="cpc">F02M65/00</class-ref>; testing ignition installations in general <class-ref scheme="cpc">F23Q23/00</class-ref></text></reference></title-part><title-part><text>Testing of ignition timing in compression-ignition engines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02P17/003" definition-exists="false" ipc-concordant="F02P17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P2017/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an inductive sensor, e.g. trigger tongs</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02P17/006" definition-exists="false" ipc-concordant="F02P17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P2017/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a capacitive sensor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P17/02" definition-exists="false" ipc-concordant="F02P17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Checking or adjusting ignition timing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P17/04" definition-exists="false" ipc-concordant="F02P17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dynamically</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P17/06" definition-exists="false" ipc-concordant="F02P17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a stroboscopic lamp</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P17/08" definition-exists="false" ipc-concordant="F02P17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a cathode-ray oscilloscope </text><reference><text><class-ref scheme="cpc">F02P17/06</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P17/10" definition-exists="false" ipc-concordant="F02P17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring dwell or antidwell time</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P17/12" definition-exists="true" ipc-concordant="F02P17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P17/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Testing characteristics of the spark, ignition voltage or current </text><reference><text>testing of sparking plugs <class-ref scheme="cpc">H01T13/60</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02P17/121" definition-exists="false" ipc-concordant="F02P17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P2017/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring spark voltage</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02P17/123" definition-exists="false" ipc-concordant="F02P17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P2017/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Generating additional sparks for diagnostics</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02P17/125" definition-exists="false" ipc-concordant="F02P17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P2017/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring ionisation of combustion gas, e.g. by using ignition circuits</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02P17/126" definition-exists="false" ipc-concordant="F02P17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P2017/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for burners</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02P17/128" definition-exists="false" ipc-concordant="F02P17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P2017/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for knock detection</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02P19/00" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other ignition</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P19/00" definition-exists="true" ipc-concordant="F02P19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Incandescent ignition, e.g. during starting of internal combustion engines</text></title-part><title-part><text>Combination of incandescent and spark ignition</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P19/02" definition-exists="true" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electric, e.g. layout of circuits of apparatus having glowing plugs</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P19/021" definition-exists="false" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by power delivery controls</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P19/022" definition-exists="false" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using intermittent current supply</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02P19/023" definition-exists="false" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Individual control of the glow plugs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P19/025" definition-exists="false" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for determining glow plug temperature or glow plug resistance</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P19/026" definition-exists="false" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glow plug actuation during engine operation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P19/027" definition-exists="false" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Safety devices, e.g. for diagnosing the glow plugs or the related circuits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P19/028" definition-exists="false" ipc-concordant="F02P19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the glow plug being combined with or used as a sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P19/04" definition-exists="false" ipc-concordant="F02P19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>non-electric, e.g. heating incandescent spots by burners </text><reference><text>use of burners for direct ignition <class-ref scheme="cpc">F02P21/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P21/00" definition-exists="true" ipc-concordant="F02P21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Direct use of flames or burners for ignition</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P21/02" definition-exists="false" ipc-concordant="F02P21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the flames being kept burning essentially external to engine working chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P21/04" definition-exists="false" ipc-concordant="F02P21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burning-cartridges or like inserts being arranged in engine working chambers </text><reference><text>as starting aid <class-ref scheme="cpc">F02N19/02</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02P23/00" definition-exists="false" ipc-concordant="F02P23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other ignition</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P23/02" definition-exists="false" ipc-concordant="F02P23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Friction, pyrophoric, or catalytic ignition</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02P23/04" definition-exists="true" ipc-concordant="F02P23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other physical ignition means, e.g. using laser rays</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02P23/045" definition-exists="true" ipc-concordant="F02P23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02P23/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromagnetic microwaves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme>