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27 lines
14 KiB
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27 lines
14 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="F28C" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F28C</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION </text><reference><text>safety devices in general <class-ref scheme="cpc">F16P</class-ref>; fluid heaters having heat generating means <class-ref scheme="cpc">F24H</class-ref>; with an intermediate heat-transfer medium coming into direct contact with heat-exchange media <class-ref scheme="cpc">F28D15/00</class-ref> - <class-ref scheme="cpc">F28D19/00</class-ref>; details of heat-exchange apparatus of general application <class-ref scheme="cpc">F28F</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F28C1/00" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F28C1/00" definition-exists="true" ipc-concordant="F28C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Direct-contact trickle coolers, e.g. cooling towers </text><reference><text>building construction <class-ref scheme="cpc">E04H5/12</class-ref>; enclosed spaces cooled by trickle <class-ref scheme="cpc">F25</class-ref>; components parts of trickle coolers <class-ref scheme="cpc">F28F25/00</class-ref>; </text><CPC-specific-text><text>indirect-contact cooling towers <class-ref scheme="cpc">F28B1/06</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F28C1/003" definition-exists="false" ipc-concordant="F28C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising outlet ducts for exhaust gases</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F28C1/006" definition-exists="false" ipc-concordant="F28C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C2001/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Systems comprising cooling towers, e.g. for recooling a cooling medium </text><reference><text>for condensers <class-ref scheme="cpc">F28B9/06</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="F28C1/02" definition-exists="false" ipc-concordant="F28C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with counter-current only</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="F28C1/04" definition-exists="false" ipc-concordant="F28C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cross-current only</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="F28C1/06" definition-exists="false" ipc-concordant="F28C1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with both counter-current and cross-current</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="F28C1/08" definition-exists="false" ipc-concordant="F28C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for recovering heat from exhaust 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="F28C1/10" definition-exists="false" ipc-concordant="F28C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for suppressing noise</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="F28C1/12" definition-exists="false" ipc-concordant="F28C1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for preventing clogging by frost</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="F28C1/14" definition-exists="false" ipc-concordant="F28C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising also a non-direct contact heat exchange</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F28C1/145" definition-exists="false" ipc-concordant="F28C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C2001/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with arrangements of adjacent wet and dry passages</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="F28C1/16" definition-exists="false" ipc-concordant="F28C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for preventing condensation, precipitation or mist formation, outside the cooler </text><reference><text><class-ref scheme="cpc">F28C1/14</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="7" additional-only="false" sort-key="F28C3/00" definition-exists="true" ipc-concordant="F28C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other direct-contact heat-exchange apparatus</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F28C3/005" definition-exists="false" ipc-concordant="F28C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one heat-exchange medium being a solid </text><reference><text><class-ref scheme="cpc">F28C3/10</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="F28C3/02" definition-exists="false" ipc-concordant="F28C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the heat-exchange media both being gases or vapours</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="F28C3/04" definition-exists="false" ipc-concordant="F28C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the heat-exchange media both being liquids</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="F28C3/06" definition-exists="false" ipc-concordant="F28C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the heat-exchange media being a liquid and a gas or vapour </text><reference><text>temperators for cooling steam <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="F28C3/08" definition-exists="false" ipc-concordant="F28C3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with change of state, e.g. absorption, evaporation, condensation </text><reference><text>generating steam under pressure <class-ref scheme="cpc">F22</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="F28C3/10" definition-exists="false" ipc-concordant="F28C3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>one heat-exchange medium at least being a fluent solid, e.g. a particulate material</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F28C3/12" definition-exists="false" ipc-concordant="F28C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the heat-exchange medium being a particulate material and a gas, vapour, or liquid</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F28C3/14" definition-exists="false" ipc-concordant="F28C3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the particulate material moving by gravity, e.g. down a tube</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="F28C3/16" definition-exists="false" ipc-concordant="F28C3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the particulate material forming a bed, e.g. fluidised, on vibratory sieves</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="F28C3/18" definition-exists="false" ipc-concordant="F28C3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28C3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the particulate material being contained in rotating drums</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme> |