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153 lines
84 KiB
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153 lines
84 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F01K" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F01K</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>STEAM ENGINE PLANTS</text></title-part><title-part><text>STEAM ACCUMULATORS</text></title-part><title-part><text>ENGINE PLANTS NOT OTHERWISE PROVIDED FOR</text></title-part><title-part><text>ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES </text><reference><text>gas-turbine or jet-propulsion plants <class-ref scheme="cpc">F02</class-ref>; nuclear power plants, engine arrangements therein <class-ref scheme="cpc">G21D</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Attention is drawn to the notes preceding class <class-ref scheme="cpc">F01</class-ref>, especially as regards the definitions of "steam" and "special vapour".</note-paragraph></note><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>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F01K1/00" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K1/00" definition-exists="true" ipc-concordant="F01K1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Steam accumulators </text><reference><text>use of accumulators in steam engine plants <class-ref scheme="cpc">F01K3/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K1/02" definition-exists="false" ipc-concordant="F01K1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for storing steam otherwise than in a liquid</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K1/04" definition-exists="false" ipc-concordant="F01K1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for storing steam in a liquid, e.g. Ruth's type </text><reference><text>in alkali to increase steam pressure <class-ref scheme="cpc">F22B1/20</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K1/06" definition-exists="false" ipc-concordant="F01K1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Internal fittings facilitating steam distribution, steam formation, or circulation </text><reference><text>acting during charging or discharging <class-ref scheme="cpc">F01K1/08</class-ref>; fittings facilitating circulation through multiple accumulators <class-ref scheme="cpc">F01K1/14</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K1/08" definition-exists="false" ipc-concordant="F01K1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Charging or discharging of accumulators with steam </text><reference><text>peculiar to multiple accumulators <class-ref scheme="cpc">F01K1/12</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K1/10" definition-exists="false" ipc-concordant="F01K1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for superheated steam</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K1/12" definition-exists="false" ipc-concordant="F01K1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K1/12</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Multiple accumulators</text></title-part><title-part><text>Charging, discharging or control specially adapted therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K1/14" definition-exists="false" ipc-concordant="F01K1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circulation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K1/16" definition-exists="false" ipc-concordant="F01K1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K1/16</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Other safety or control means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K1/18" definition-exists="false" ipc-concordant="F01K1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for steam pressure</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K1/20" definition-exists="false" ipc-concordant="F01K1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other steam-accumulator parts, details, or accessories</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F01K3/00" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Steam engine plants</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K3/00" definition-exists="true" ipc-concordant="F01K3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein </text><reference><text>regenerating exhaust steam <class-ref scheme="cpc">F01K19/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/002" definition-exists="false" ipc-concordant="F01K3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Steam conversion</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/004" definition-exists="false" ipc-concordant="F01K3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accumulation in the liquid branch of the circuit</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/006" definition-exists="false" ipc-concordant="F01K3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accumulators and steam compressors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/008" definition-exists="false" ipc-concordant="F01K3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of steam accumulators of the Ruth type for storing steam in water; Regulating thereof </text><reference><text>Ruth accumulators <u>per se</u> <class-ref scheme="cpc">F01K1/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/02" definition-exists="false" ipc-concordant="F01K3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K3/02</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Use of accumulators and specific engine types</text></title-part><title-part><text>Control thereof</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/04" definition-exists="false" ipc-concordant="F01K3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engine being of multiple-inlet-pressure type</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/06" definition-exists="false" ipc-concordant="F01K3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engine being of extraction or non-condensing type </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F01K3/004</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/08" definition-exists="false" ipc-concordant="F01K3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of accumulators and the plant being specially adapted for a specific use</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/10" definition-exists="false" ipc-concordant="F01K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for vehicle drive, e.g. for accumulator locomotives</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/12" definition-exists="false" ipc-concordant="F01K3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having two or more accumulators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/14" definition-exists="false" ipc-concordant="F01K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having both steam accumulator and heater, e.g. superheating accumulator </text><reference><text>steam superheaters <u>per se</u> <class-ref scheme="cpc">F22G</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/16" definition-exists="false" ipc-concordant="F01K3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mutual arrangement of accumulator and heater</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K3/18" definition-exists="false" ipc-concordant="F01K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having heaters </text><reference><text>having both steam accumulator and heater <class-ref scheme="cpc">F01K3/14</class-ref>; steam heaters <u>per se</u> <class-ref scheme="cpc">F22</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/181" definition-exists="false" ipc-concordant="F01K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/181</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using nuclear heat </text><reference><text><class-ref scheme="cpc">F01K3/26</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/183" definition-exists="false" ipc-concordant="F01K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one heater being a fired superheater</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/185" definition-exists="false" ipc-concordant="F01K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using waste heat from outside the plant </text><reference><text><class-ref scheme="cpc">F02G5/00</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/186" definition-exists="false" ipc-concordant="F01K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electric heat</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/188" definition-exists="false" ipc-concordant="F01K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/188</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using heat from a specified chemical reaction</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/20" definition-exists="false" ipc-concordant="F01K3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with heating by combustion gases of main boiler</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/205" definition-exists="false" ipc-concordant="F01K3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>more than one circuit being heated by one boiler</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/22" definition-exists="false" ipc-concordant="F01K3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling, e.g. starting, stopping </text><reference><text><class-ref scheme="cpc">F01K7/00</class-ref>, <class-ref scheme="cpc">F01K13/02</class-ref> take precedence</text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/24" definition-exists="false" ipc-concordant="F01K3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with heating by separately-fired heaters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/242" definition-exists="false" ipc-concordant="F01K3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>delivering steam to a common mains</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/245" definition-exists="false" ipc-concordant="F01K3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>delivering steam at different pressure levels </text><reference><text><class-ref scheme="cpc">F01K3/247</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/247" definition-exists="false" ipc-concordant="F01K3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one heater being an incinerator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K3/26" definition-exists="false" ipc-concordant="F01K3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with heating by steam</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/262" definition-exists="false" ipc-concordant="F01K3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of heat exchangers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F01K3/265" definition-exists="false" ipc-concordant="F01K3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K3/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using live steam for superheating or reheating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K3/267" definition-exists="false" ipc-concordant="F01K3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F01K3/267</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>by mixing with steam, e.g. LOFFLER-boiler</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K5/00" definition-exists="true" ipc-concordant="F01K5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants characterised by use of means for storing steam in an alkali to increase steam pressure, e.g. of Honigmann or Koenemann type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K5/02" definition-exists="false" ipc-concordant="F01K5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used in regenerative installation</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K7/00" definition-exists="false" ipc-concordant="F01K7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/00</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Steam engine plants characterised by the use of specific types of engine </text><reference><text><class-ref scheme="cpc">F01K3/02</class-ref> takes precedence</text></reference></title-part><title-part><text>Plants or engines characterised by their use of special steam systems, cycles or processes </text><reference><text>reciprocating-piston engines using uniflow principle <class-ref scheme="cpc">F01B17/04</class-ref></text></reference></title-part><title-part><text>Control means specially adapted for such systems, cycles or processes</text></title-part><title-part><text>Use of withdrawn or exhaust steam for feed-water heating</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K7/02" definition-exists="false" ipc-concordant="F01K7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being of multiple-expansion type </text><reference><text>the engines being only of turbine type <class-ref scheme="cpc">F01K7/16</class-ref>; the engines using steam of critical or overcritical pressure <class-ref scheme="cpc">F01K7/32</class-ref>; the engines being of extraction or non-condensing type <class-ref scheme="cpc">F01K7/34</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/025" definition-exists="false" ipc-concordant="F01K7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Consecutive expansion in a turbine or a positive displacement engine</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/04" definition-exists="false" ipc-concordant="F01K7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/04</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Control means specially adapted therefor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K7/06" definition-exists="false" ipc-concordant="F01K7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being of multiple-inlet-pressure type </text><reference><text><class-ref scheme="cpc">F01K7/02</class-ref> takes precedence; the engines being only of turbine type <class-ref scheme="cpc">F01K7/16</class-ref>; the engines using steam of critical or over-critical pressure <class-ref scheme="cpc">F01K7/32</class-ref>; the engines being of extraction or non-condensing type <class-ref scheme="cpc">F01K7/34</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/08" definition-exists="false" ipc-concordant="F01K7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/08</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Control means specially adapted therefor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K7/10" definition-exists="false" ipc-concordant="F01K7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the engine exhaust pressure </text><reference><text>the engines being only of turbine type <class-ref scheme="cpc">F01K7/16</class-ref>; the engines using steam of critical or over-critical pressure <class-ref scheme="cpc">F01K7/32</class-ref>; the engines being of extraction or non-condensing type <class-ref scheme="cpc">F01K7/34</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/12" definition-exists="false" ipc-concordant="F01K7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of condensing type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K7/14" definition-exists="false" ipc-concordant="F01K7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/14</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Control means specially adapted therefor</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K7/16" definition-exists="false" ipc-concordant="F01K7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being only of turbine type </text><reference><text>the engines using steam of critical or overcritical pressure <class-ref scheme="cpc">F01K7/32</class-ref>; the engines being of extraction or non-condensing type <class-ref scheme="cpc">F01K7/34</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/165" definition-exists="false" ipc-concordant="F01K7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/165</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>Controlling means specially adapted therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/18" definition-exists="false" ipc-concordant="F01K7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the turbine being of multiple-inlet-pressure type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K7/20" definition-exists="false" ipc-concordant="F01K7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/20</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Control means specially adapted therefor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/22" definition-exists="false" ipc-concordant="F01K7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the turbines having inter-stage steam heating</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K7/223" definition-exists="false" ipc-concordant="F01K7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inter-stage moisture separation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K7/226" definition-exists="false" ipc-concordant="F01K7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inter-stage steam injection</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K7/24" definition-exists="false" ipc-concordant="F01K7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/24</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Control or safety means specially adapted therefor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/26" definition-exists="false" ipc-concordant="F01K7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the turbines having inter-stage steam accumulation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K7/28" definition-exists="false" ipc-concordant="F01K7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K7/28</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Control means specially adapted therefor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/30" definition-exists="false" ipc-concordant="F01K7/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the turbines using exhaust steam only</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K7/32" definition-exists="false" ipc-concordant="F01K7/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines using steam of critical or overcritical pressure</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K7/34" definition-exists="false" ipc-concordant="F01K7/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being of extraction or non-condensing type</text></title-part><title-part><text>Use of steam for feed-water heating </text><reference><text>feed-water heaters in general <class-ref scheme="cpc">F22D</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/345" definition-exists="false" ipc-concordant="F01K7/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control or safety-means particular thereto</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/36" definition-exists="false" ipc-concordant="F01K7/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being of positive-displacement type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/38" definition-exists="false" ipc-concordant="F01K7/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being of turbine type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/40" definition-exists="false" ipc-concordant="F01K7/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of two or more feed-water heaters in series</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/42" definition-exists="false" ipc-concordant="F01K7/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of desuperheaters for feed-water heating</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K7/44" definition-exists="false" ipc-concordant="F01K7/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K7/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of steam for feed-water heating and another purpose</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K9/00" definition-exists="false" ipc-concordant="F01K9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants characterised by condensers arranged or modified to co-operate with the engines </text><reference><text>by condensers structurally combined with engines <class-ref scheme="cpc">F01K11/00</class-ref>; steam condensers <u>per se</u> <class-ref scheme="cpc">F28B</class-ref></text></reference><reference><text><class-ref scheme="cpc">F01K23/04</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K9/003" definition-exists="false" ipc-concordant="F01K9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K9/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>condenser cooling circuits</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K9/006" definition-exists="false" ipc-concordant="F01K9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K9/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vacuum-breakers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K9/02" definition-exists="false" ipc-concordant="F01K9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements or modifications of condensate or air pumps</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K9/023" definition-exists="false" ipc-concordant="F01K9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K9/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control thereof</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K9/026" definition-exists="false" ipc-concordant="F01K9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K9/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Returning condensate by capillarity</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K9/04" definition-exists="false" ipc-concordant="F01K9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with dump valves to by-pass stages</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K11/00" definition-exists="false" ipc-concordant="F01K11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants characterised by the engines being structurally combined with boilers or condensers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K11/02" definition-exists="false" ipc-concordant="F01K11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being turbines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K11/04" definition-exists="false" ipc-concordant="F01K11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the boilers or condensers being rotated in use</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K13/00" definition-exists="false" ipc-concordant="F01K13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F01K13/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>General layout or general methods of operation of complete plants</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K13/003" definition-exists="false" ipc-concordant="F01K13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K13/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for measuring or testing </text><reference><text>in general <class-ref scheme="cpc">G01</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K13/006" definition-exists="false" ipc-concordant="F01K13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K13/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Auxiliaries or details not otherwise provided for</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K13/02" definition-exists="false" ipc-concordant="F01K13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>F01K13/02</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Controlling, e.g. stopping or starting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K13/025" definition-exists="false" ipc-concordant="F01K13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K13/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling the interior by injection during idling or stand-by</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K15/00" definition-exists="false" ipc-concordant="F01K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adaptations of plants for special use </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F01K7/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K15/02" definition-exists="false" ipc-concordant="F01K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for driving vehicles, e.g. locomotives </text><reference><text>arrangements in vehicles, see the relevant vehicle classes</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K15/025" definition-exists="false" ipc-concordant="F01K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K15/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the vehicle being a steam locomotive</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K15/04" definition-exists="false" ipc-concordant="F01K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the vehicles being waterborne vessels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K15/045" definition-exists="false" ipc-concordant="F01K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K15/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control thereof </text><reference><text><class-ref scheme="cpc">F01K3/22</class-ref>, <class-ref scheme="cpc">F01K7/00</class-ref>, <class-ref scheme="cpc">F01K13/02</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K17/00" definition-exists="false" ipc-concordant="F01K17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Using steam or condensate extracted or exhausted from steam engine plant </text><reference><text>for heating feed-water <class-ref scheme="cpc">F01K7/34</class-ref>; returning condensate to boiler <class-ref scheme="cpc">F22D</class-ref> </text><CPC-specific-text><text><class-ref scheme="cpc">F01K7/36</class-ref> takes precedence</text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K17/005" definition-exists="false" ipc-concordant="F01K17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K17/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of a heat pump </text><reference><text>heat pumps systems <u>per se</u> <class-ref scheme="cpc">F25B</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K17/02" definition-exists="false" ipc-concordant="F01K17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for heating purposes, e.g. industrial, domestic </text><reference><text><class-ref scheme="cpc">F01K17/06</class-ref> takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general <class-ref scheme="cpc">F24D1/00</class-ref>, <class-ref scheme="cpc">F24D3/00</class-ref>, <class-ref scheme="cpc">F24D9/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K17/025" definition-exists="false" ipc-concordant="F01K17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K17/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with at least one gas turbine, e.g. a combustion gas turbine</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K17/04" definition-exists="false" ipc-concordant="F01K17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for specific purposes other than heating </text><reference><text><class-ref scheme="cpc">F01K17/06</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K17/06" definition-exists="false" ipc-concordant="F01K17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Returning energy of steam, in exchanged form, to process, e.g. use of exhaust steam for drying solid fuel or plant</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K19/00" definition-exists="false" ipc-concordant="F01K19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regenerating or otherwise treating steam exhausted from steam engine plant </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F01K3/006</class-ref> takes precedence</text></CPC-specific-text><text> plants characterised by use of means for storing steam in an alkali to increase steam pressure <class-ref scheme="cpc">F01K5/00</class-ref>; returning condensate to boiler <class-ref scheme="cpc">F22D</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K19/02" definition-exists="false" ipc-concordant="F01K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regenerating by compression</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K19/04" definition-exists="false" ipc-concordant="F01K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in combination with cooling or heating</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K19/06" definition-exists="false" ipc-concordant="F01K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in engine cylinder</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K19/08" definition-exists="false" ipc-concordant="F01K19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>compression done by injection apparatus, jet blower, or the like</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K19/10" definition-exists="false" ipc-concordant="F01K19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling exhaust steam other than by condenser</text></title-part><title-part><text>Rendering exhaust steam invisible</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K21/00" definition-exists="false" ipc-concordant="F01K21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Steam engine plants not otherwise provided for</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K21/005" definition-exists="false" ipc-concordant="F01K21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K21/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mixtures of liquid and steam or evaporation of a liquid by expansion</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K21/02" definition-exists="false" ipc-concordant="F01K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with steam-generation in engine-cylinders</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K21/04" definition-exists="false" ipc-concordant="F01K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mixtures of steam and gas</text></title-part><title-part><text>Plants generating or heating steam by bringing water or steam into direct contact with hot gas </text><reference><CPC-specific-text><text><class-ref scheme="cpc">F01K25/005</class-ref>, <class-ref scheme="cpc">F02B47/02</class-ref> take precedence; injecting water or steam into a as gas turbine plant <class-ref scheme="cpc">F02C3/305</class-ref></text></CPC-specific-text><text>; direct-contact steam generators in general <class-ref scheme="cpc">F22B</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K21/042" definition-exists="false" ipc-concordant="F01K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K21/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pure steam being expanded in a motor somewhere in the plant </text><reference><text><class-ref scheme="cpc">F01K21/045</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K21/045" definition-exists="false" ipc-concordant="F01K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K21/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Introducing gas and steam separately into the motor, e.g. admission to a single rotor through separate nozzles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K21/047" definition-exists="false" ipc-concordant="F01K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K21/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least one combustion gas turbine</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K21/06" definition-exists="false" ipc-concordant="F01K21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F01K21/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Treating live steam, other than thermodynamically, e.g. for fighting deposits in engine</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K23/00" definition-exists="false" ipc-concordant="F01K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K23/02" definition-exists="false" ipc-concordant="F01K23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engine cycles being thermally coupled</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K23/04" definition-exists="false" ipc-concordant="F01K23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>condensation heat from one cycle heating the fluid in another cycle</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K23/06" definition-exists="false" ipc-concordant="F01K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combustion heat from one cycle heating the fluid in another cycle</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K23/061" definition-exists="false" ipc-concordant="F01K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with combustion in a fluidised bed </text><reference><text>plants with a fluidised-bed combustor comprising only gas-turbines <class-ref scheme="cpc">F02C3/205</class-ref>; fluidised-bed apparatus <u>per se</u> <class-ref scheme="cpc">B01J8/18</class-ref>; fluidised-bed combustors <class-ref scheme="cpc">F23C10/00</class-ref>; fluidised-bed steam-boilers <class-ref scheme="cpc">F22B31/0007</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F01K23/062" definition-exists="false" ipc-concordant="F01K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the combustion bed being pressurised </text><reference><text>pressurised fluid bed combustion <u>per se</u> <class-ref scheme="cpc">F23C10/16</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K23/064" definition-exists="false" ipc-concordant="F01K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F01K23/064</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>in combination with an industrial process, e.g. chemical, metallurgical </text><reference><text>particularly adapted for a specific process <u>see</u> the relevant classes</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K23/065" definition-exists="false" ipc-concordant="F01K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the combustion taking place in an internal combustion piston engine, e.g. a diesel engine</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K23/067" definition-exists="false" ipc-concordant="F01K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the combustion heat coming from a gasification or pyrolysis process, e.g. coal gasification </text><reference><text>gas turbines with fuel gasifiers <class-ref scheme="cpc">F02C3/28</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F01K23/068" definition-exists="false" ipc-concordant="F01K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with an oxygen producing plant, e.g. an air separation plant</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K23/08" definition-exists="false" ipc-concordant="F01K23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with working fluid of one cycle heating the fluid in another cycle</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K23/10" definition-exists="false" ipc-concordant="F01K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with exhaust fluid of one cycle heating the fluid in another cycle </text><reference><text><class-ref scheme="cpc">F01K17/025</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F01K23/101" definition-exists="false" ipc-concordant="F01K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regulating means specially adapted therefor </text><reference><text><class-ref scheme="cpc">F01K23/105</class-ref>, <class-ref scheme="cpc">F01K23/108</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F01K23/103" definition-exists="false" ipc-concordant="F01K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with afterburner in exhaust boiler</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F01K23/105" definition-exists="false" ipc-concordant="F01K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regulating means specially adapted therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F01K23/106" definition-exists="false" ipc-concordant="F01K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with water evaporated or preheated at different pressures in exhaust boiler</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F01K23/108" definition-exists="false" ipc-concordant="F01K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regulating means specially adapted therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K23/12" definition-exists="false" ipc-concordant="F01K23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the engines being mechanically coupled </text><reference><text><class-ref scheme="cpc">F01K23/02</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K23/14" definition-exists="false" ipc-concordant="F01K23/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including at least one combustion engine</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K23/16" definition-exists="false" ipc-concordant="F01K23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>all the engines being turbines </text><reference><text><class-ref scheme="cpc">F01K23/14</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K23/18" definition-exists="false" ipc-concordant="F01K23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K23/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by adaptation for specific use</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K25/00" definition-exists="false" ipc-concordant="F01K25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants or engines characterised by use of special working fluids, not otherwise provided for</text></title-part><title-part><text>Plants operating in closed cycles and not otherwise provided for</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K25/005" definition-exists="false" ipc-concordant="F01K25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the working fluid being steam, created by combustion of hydrogen with oxygen</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K25/02" definition-exists="false" ipc-concordant="F01K25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the fluid remaining in the liquid phase</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K25/04" definition-exists="false" ipc-concordant="F01K25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F01K25/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the fluid being in different phases, e.g. foamed</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K25/06" definition-exists="false" ipc-concordant="F01K25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mixtures of different fluids </text><reference><text>plants using mixtures of steam and gas <class-ref scheme="cpc">F01K21/04</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K25/065" definition-exists="false" ipc-concordant="F01K25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an absorption fluid remaining at least partly in the liquid state, e.g. water for ammonia </text><reference><text><class-ref scheme="cpc">F01K5/00</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K25/08" definition-exists="false" ipc-concordant="F01K25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using special vapours</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K25/085" definition-exists="false" ipc-concordant="F01K25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the vapour being sulfur</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K25/10" definition-exists="false" ipc-concordant="F01K25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the vapours being cold, e.g. ammonia, carbon dioxide, ether</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K25/103" definition-exists="false" ipc-concordant="F01K25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Carbon dioxide </text><reference><text><class-ref scheme="cpc">F01K25/065</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F01K25/106" definition-exists="false" ipc-concordant="F01K25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ammonia </text><reference><text><class-ref scheme="cpc">F01K25/065</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K25/12" definition-exists="false" ipc-concordant="F01K25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the vapours being metallic, e.g. mercury</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F01K25/14" definition-exists="false" ipc-concordant="F01K25/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K25/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using industrial or other waste gases</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F01K27/00" definition-exists="false" ipc-concordant="F01K27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K27/005" definition-exists="false" ipc-concordant="F01K27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K27/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of hydraulic motors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F01K27/02" definition-exists="false" ipc-concordant="F01K27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F01K27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |