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64 lines
31 KiB
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64 lines
31 KiB
XML
2 years ago
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<?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="F23M" definition-exists="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES</text></title-part><title-part><text>DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS</text></title-part><title-part><text>SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS</text></title-part><title-part><text>DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph> <CPC-specific-note>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.</CPC-specific-note> </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="F23M3/00" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23M3/00" definition-exists="true" ipc-concordant="F23M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>F23M3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Firebridges</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23M3/02" definition-exists="false" ipc-concordant="F23M3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>modified for circulation of fluids, e.g. air, steam, water</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23M3/04" definition-exists="false" ipc-concordant="F23M3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for delivery of gas, e.g. air, 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="F23M3/06" definition-exists="false" ipc-concordant="F23M3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>into or towards fire</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="F23M3/08" definition-exists="false" ipc-concordant="F23M3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>away from fire, e.g. towards smoke outlet</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="F23M3/10" definition-exists="false" ipc-concordant="F23M3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>transversely</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="F23M3/12" definition-exists="false" ipc-concordant="F23M3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M3/12</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>characterised by shape or construction</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23M3/14" definition-exists="false" ipc-concordant="F23M3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with apertures for passage of combustion products</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="F23M3/16" definition-exists="false" ipc-concordant="F23M3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>built-up in sections, e.g. using bars or blocks</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="F23M3/18" definition-exists="false" ipc-concordant="F23M3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>double</text></title-part><title-part><text>multiple</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="F23M3/20" definition-exists="false" ipc-concordant="F23M3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising loose refractory material, wholly or in part</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="F23M3/22" definition-exists="false" ipc-concordant="F23M3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>movable</text></title-part><title-part><text>adjustable</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="F23M5/00" definition-exists="true" ipc-concordant="F23M5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M5/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Casings</text></title-part><title-part><text>Linings</text></title-part><title-part><text>Walls</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23M5/02" definition-exists="true" ipc-concordant="F23M5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M5/02</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>characterised by the shape of the bricks or blocks used</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23M5/025" definition-exists="false" ipc-concordant="F23M5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M5/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for burner openings</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="F23M5/04" definition-exists="false" ipc-concordant="F23M5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supports for linings</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="F23M5/06" definition-exists="false" ipc-concordant="F23M5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M5/06</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Crowns or roofs for combustion chambers</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="F23M5/08" definition-exists="false" ipc-concordant="F23M5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling thereof</text></title-part><title-part><text>Tube walls</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23M5/085" definition-exists="false" ipc-concordant="F23M5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M5/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using air or other gas as the cooling medium</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="F23M7/00" definition-exists="true" ipc-concordant="F23M7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>F23M7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Doors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23M7/02" definition-exists="false" ipc-concordant="F23M7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Frames therefor</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="F23M7/04" definition-exists="false" ipc-concordant="F23M7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling doors or door frames</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="F23M9/00" definition-exists="true" ipc-concordant="F23M9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M9/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Baffles or deflectors for air or combustion products </text><reference><text>baffles or deflectors for air or combustion products structurally associated with burners <class-ref scheme="cpc">F23D</class-ref></text></reference></title-part><title-part><text>Flame shields</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23M9/003" definition-exists="false" ipc-concordant="F23M9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M9/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in flue gas ducts</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23M9/006" definition-exists="false" ipc-concordant="F23M9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M9/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Backflow diverters</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="F23M9/02" definition-exists="false" ipc-concordant="F23M9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>F23M9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in air inlets</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="F23M9/04" definition-exists="false" ipc-concordant="F23M9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>F23M9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with air supply passages in the baffle or shield</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="F23M9/06" definition-exists="false" ipc-concordant="F23M9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in fire-boxes</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="F23M9/08" definition-exists="false" ipc-concordant="F23M9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Helical or twisted baffles or deflectors</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="F23M9/10" definition-exists="true" ipc-concordant="F23M9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M9/10</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Baffles or deflectors formed as tubes, e.g. in water-tube boilers</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="F23M11/00" definition-exists="true" ipc-concordant="F23M11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M11/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Safety arrangements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23M11/02" definition-exists="false" ipc-concordant="F23M11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing emission of flames or hot gases, or admission of air, through working or charging apertures</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="F23M11/04" definition-exists="true" ipc-concordant="F23M11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F23M11/04</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Means for supervising combustion, e.g. windows</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23M11/042" definition-exists="false" ipc-concordant="F23M11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M11/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Viewing ports of windows</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="F23M11/045" definition-exists="false" ipc-concordant="F23M11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F23M11/045</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>by observing the flame</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="F23M11/047" definition-exists="false" ipc-concordant="F23M11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M11/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by observing the flue gas </text><reference><text>controlling combustion using gas detectors <class-ref scheme="cpc">F23N5/003</class-ref></text></reference></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="F23M20/00" definition-exists="false" ipc-concordant="F23M20/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>F23M20/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of combustion chambers, not otherwise provided for </text><CPC-specific-text><text>, e.g. means for storing heat from flames</text></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="F23M20/005" definition-exists="false" ipc-concordant="F23M20/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>F23M20/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Noise absorbing means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F23M700/00" date-revised="2013-01-01" status="published"><classification-symbol>F23M2700/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23M700/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2700/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructional details of combustion chambers</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23M700/005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2700/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structures of combustion chambers or smoke ducts</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23M700/0053" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2700/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bricks for combustion chamber walls</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23M700/0056" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2700/0056</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bricks for water tube combustion chamber walls</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23M700/007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2700/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Automatic fire extinguishing devices</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="F23M700/008" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2700/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing outwards emission of flames or hot gases</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23M900/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special features of, or arrangements for combustion chambers</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23M900/05001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/05001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing corrosion by using special lining materials or other techniques</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="F23M900/05002" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/05002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for accommodate thermal expansion of the wall liner</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="F23M900/05003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/05003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of manufacturing specially adapted for combustion chambers</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="F23M900/05004" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/05004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special materials for walls or lining</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="F23M900/05005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/05005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sealing means between wall tiles or panels</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="F23M900/05021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/05021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wall blocks adapted for burner openings</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="F23M900/09061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/09061</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Moving baffles, e.g. rotating baffles, for creating vortices</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="F23M900/09062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/09062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tube-shaped baffles confining the flame </text><reference><text>flame tubes forming part of the burner head <class-ref scheme="cpc">F23D2900/11403</class-ref></text></reference></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="F23M900/11021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/11021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for avoiding accidental fires in rooms where the combustion device is located</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="F23M900/11041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/11041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for observing or monitoring flames using photoelectric devices, e.g. phototransistors</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="F23M900/13001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/13001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy recovery by fuel cells arranged in the combustion plant</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="F23M900/13002" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/13002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy recovery by heat storage elements arranged in the combustion chamber</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="F23M900/13003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/13003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy recovery by thermoelectric elements, e.g. by Peltier/Seebeck effect, arranged in the combustion plant</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="F23M900/13004" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23M2900/13004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy recovery by thermo-photo-voltaic [TPV] elements arranged in the combustion plant</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>
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