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25 lines
12 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="F28B" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F28B</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>STEAM OR VAPOUR CONDENSERS </text><reference><text>condensation of vapours <class-ref scheme="cpc">B01D5/00</class-ref>; steam engine plants having condensers <class-ref scheme="cpc">F01K</class-ref>; liquefaction of gases <class-ref scheme="cpc">F25J</class-ref>; details of heat-exchange and heat-transfer arrangements 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="F28B1/00" date-revised="2013-01-01" status="published"><classification-symbol>F28B1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F28B1/00" definition-exists="true" ipc-concordant="F28B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F28B1/02" definition-exists="false" ipc-concordant="F28B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using water or other liquid as the cooling medium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F28B1/04" definition-exists="false" ipc-concordant="F28B1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>employing moving walls</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="F28B1/06" definition-exists="false" ipc-concordant="F28B1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using air or other gas as the cooling medium</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This group <u>covers</u> also air cooled heat exchangers for which the use as condenser is not explicitly specified, but the configuration is similar to air cooled condensers, e.g. dry cooling towers </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F28B1/065" definition-exists="false" ipc-concordant="F28B1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B2001/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with secondary condenser, e.g. reflux condenser or dephlegmator</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="F28B1/08" definition-exists="false" ipc-concordant="F28B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>employing moving walls</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="F28B3/00" definition-exists="true" ipc-concordant="F28B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensers in which the steam or vapour comes into direct contact with the cooling medium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F28B3/02" definition-exists="false" ipc-concordant="F28B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by providing a flowing coating of cooling liquid on the condensing surface</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="F28B3/04" definition-exists="false" ipc-concordant="F28B3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by injecting cooling liquid into the steam or vapour </text><reference><text><class-ref scheme="cpc">F28B3/08</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="F28B3/06" definition-exists="false" ipc-concordant="F28B3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by injecting the steam or vapour into the cooling liquid </text><reference><text><class-ref scheme="cpc">F28B3/08</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="F28B3/08" definition-exists="false" ipc-concordant="F28B3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotatable members</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="F28B5/00" definition-exists="true" ipc-concordant="F28B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensers employing a combination of the methods covered by main groups <class-ref scheme="cpc">F28B1/00</class-ref> and <class-ref scheme="cpc">F28B3/00</class-ref></text></title-part><title-part><text>Other condensers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F28B7/00" definition-exists="true" ipc-concordant="F28B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combinations of two or more condensers, e.g. provision of reserve condenser</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F28B9/00" definition-exists="true" ipc-concordant="F28B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary systems, arrangements, or devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F28B9/005" definition-exists="false" ipc-concordant="F28B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for protection against freezing</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="F28B9/02" definition-exists="false" ipc-concordant="F28B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for feeding steam or vapour to condensers</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="F28B9/04" definition-exists="false" ipc-concordant="F28B9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for feeding, collecting, and storing cooling water or other cooling liquid</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F28B9/06" definition-exists="false" ipc-concordant="F28B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for re-cooling the cooling water or other cooling liquid</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="F28B9/08" definition-exists="false" ipc-concordant="F28B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for collecting and removing condensate</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="F28B9/10" definition-exists="false" ipc-concordant="F28B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for extracting, cooling, and removing non-condensable gases</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="F28B11/00" definition-exists="true" ipc-concordant="F28B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F28B11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling arrangements with features specially adapted for condensers </text><reference><text>control arrangements in general <class-ref scheme="cpc">G05</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |