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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-F23R.xml

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<?xml version="1.0" encoding="UTF-8"?>
<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F23R" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F23R</classification-symbol><class-title date-revised="2018-08-01"><title-part><text>GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS </text><reference><text>fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures <class-ref scheme="cpc">F23C10/16</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="F23R3/00" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23R3/00" definition-exists="true" ipc-concordant="F23R3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Continuous combustion chambers using liquid or gaseous fuel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23R3/002" definition-exists="true" ipc-concordant="F23R3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wall structures </text><reference><text><class-ref scheme="cpc">F23R3/02</class-ref> and <class-ref scheme="cpc">F23R3/007</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="F23R3/005" definition-exists="false" ipc-concordant="F23R3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combined with pressure or heat exchangers</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="F23R3/007" definition-exists="false" ipc-concordant="F23R3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>constructed mainly of ceramic components</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="F23R3/02" definition-exists="true" ipc-concordant="F23R3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the air-flow or gas-flow configuration </text><reference><text>reverse- flow combustion chambers <class-ref scheme="cpc">F23R3/54</class-ref>; cyclone or vortex type combustion chambers <class-ref scheme="cpc">F23R3/58</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/04" definition-exists="false" ipc-concordant="F23R3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air inlet arrangements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/045" definition-exists="false" ipc-concordant="F23R3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pipes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/06" definition-exists="false" ipc-concordant="F23R3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of apertures along the flame tube</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23R3/08" definition-exists="false" ipc-concordant="F23R3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>between annular flame tube sections, e.g. flame tubes with telescopic sections</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/10" definition-exists="true" ipc-concordant="F23R3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for primary air </text><reference><text><class-ref scheme="cpc">F23R3/06</class-ref>, <class-ref scheme="cpc">F23R3/045</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23R3/12" definition-exists="false" ipc-concordant="F23R3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>inducing a vortex</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F23R3/14" definition-exists="false" ipc-concordant="F23R3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using swirl vanes</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="F23R3/16" definition-exists="false" ipc-concordant="F23R3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with devices inside the flame tube or the combustion chamber to influence the air or gas flow</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/18" definition-exists="false" ipc-concordant="F23R3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23R3/20" definition-exists="false" ipc-concordant="F23R3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>incorporating fuel injection means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23R3/22" definition-exists="false" ipc-concordant="F23R3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>movable, e.g. to an inoperative position</text></title-part><title-part><text>adjustable, e.g. self-adjusting</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23R3/24" definition-exists="false" ipc-concordant="F23R3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the fluid-screen type</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="F23R3/26" definition-exists="false" ipc-concordant="F23R3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the air flow</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23R3/28" definition-exists="false" ipc-concordant="F23R3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the fuel supply </text><reference><text>burners <class-ref scheme="cpc">F23D</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/283" definition-exists="false" ipc-concordant="F23R3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>F23R3/283</classification-symbol><class-title date-revised="2018-08-01"><title-part><CPC-specific-text><text>Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances</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="F23R3/286" definition-exists="true" ipc-concordant="F23R3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having fuel-air premixing devices </text><reference><text><class-ref scheme="cpc">F23R3/30</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/30" definition-exists="false" ipc-concordant="F23R3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising fuel prevapourising devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/32" definition-exists="false" ipc-concordant="F23R3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being tubular</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/34" definition-exists="false" ipc-concordant="F23R3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feeding into different combustion zones</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/343" definition-exists="false" ipc-concordant="F23R3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion </text><reference><text>ignition in gas-turbine plants <class-ref scheme="cpc">F02C7/264</class-ref>; pilot flame igniters <class-ref scheme="cpc">F23Q9/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/346" definition-exists="false" ipc-concordant="F23R3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for staged combustion</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="F23R3/36" definition-exists="false" ipc-concordant="F23R3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply of different fuels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/38" definition-exists="false" ipc-concordant="F23R3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising rotary fuel injection means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23R3/40" definition-exists="false" ipc-concordant="F23R3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>F23R3/40</classification-symbol><class-title date-revised="2018-08-01"><title-part><text>characterised by the use of catalytic means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23R3/42" definition-exists="false" ipc-concordant="F23R3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the arrangement or form of the flame tubes or combustion chambers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/425" definition-exists="false" ipc-concordant="F23R3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combustion chambers comprising a tangential or helicoidal arrangement of the flame tubes</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="F23R3/44" definition-exists="true" ipc-concordant="F23R3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combustion chambers comprising a </text><CPC-specific-text><text>single</text></CPC-specific-text><text> tubular flame tube within a tubular casing </text><reference><text>reverse-flow combustion chambers <class-ref scheme="cpc">F23R3/54</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/46" definition-exists="false" ipc-concordant="F23R3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combustion chambers comprising an annular arrangement of </text><CPC-specific-text><text>several essentially tubular</text></CPC-specific-text><text> flame tubes within a common annular casing or within individual casings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23R3/48" definition-exists="false" ipc-concordant="F23R3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame tube interconnectors, e.g. cross-over tubes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/50" definition-exists="false" ipc-concordant="F23R3/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combustion chambers comprising an annular flame tube within an annular casing </text><reference><text>toroidal combustion chambers <class-ref scheme="cpc">F23R3/52</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/52" definition-exists="false" ipc-concordant="F23R3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Toroidal combustion chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/54" definition-exists="true" ipc-concordant="F23R3/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reverse-flow combustion chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/56" definition-exists="false" ipc-concordant="F23R3/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combustion chambers having rotary flame tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/58" definition-exists="false" ipc-concordant="F23R3/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cyclone or vortex type combustion chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23R3/60" definition-exists="false" ipc-concordant="F23R3/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R3/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Support structures</text></title-part><title-part><text>Attaching or mounting means</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23R5/00" definition-exists="true" ipc-concordant="F23R5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Continuous combustion chambers using solid or pulverulent fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23R7/00" definition-exists="true" ipc-concordant="F23R7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intermittent or explosive combustion chambers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F23R900/00" date-revised="2013-01-01" status="published"><classification-symbol>F23R2900/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23R900/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R2900/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special features of, or arrangements for continuous combustion chambers</text></title-part><title-part><text>Combustion processes therefor</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23R900/00001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R2900/00001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements using bellows, e.g. to adjust volumes or reduce thermal stresses</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23R900/00002" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23R2900/00002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas turbine combustors adapted for fuels having low heating value [LHV]</text></title-part></class-title></classification-item>
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