| IPC 6 English version | F24D-F24D01910 |
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SECTION F | – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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HEATING; RANGES; VENTILATING (protecting plants by heating in gardens, orchards, or forests A 01 G 13/06; baking ovens and apparatus A 21 B; cooking devices other than ranges A 47 J; forging B 21 J, B 21 K; specially adapted for vehicles, see the relevant subclasses of classes B 60 to B 64; combustion apparatus in general F 23; drying F 26 B; ovens in general F 27; electric heating elements or arrangements H 05 B) |
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DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR (preventing corrosion C 23 F; water supply in general E 03; using steam or condensate extracted or exhausted from steam engine plants for heating purposes F 01 K 17/02; steam traps F 16 T; domestic stoves or ranges F 24 B, F 24 C; water or air heaters having heat generating means F 24 H; combined heating and refrigeration systems F 25 B; heat exchange apparatus or elements F 28; removing furring F 28 G) |
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Note |
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In this subclass, the following expression is used with the meaning indicated: |
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– | "central heating system" means a system in which heat is generated or stored at central sources and is distributed by means of a transfer fluid to the spaces or areas to be heated. [5] |
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Central heating systems |
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1/ | 00 | Steam central heating systems (F 24 D 10/00, F 24 D 11/00 take precedence) |
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1/ | 02 | . | operating with live steam |
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1/ | 04 | . | operating with exhaust steam |
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1/ | 06 | . | operating with superheated steam |
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1/ | 08 | . | Feed-line arrangements, e.g. providing for one-pipe system |
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3/ | 00 | Hot-water central heating systems (F 24 D 10/00, F 24 D 11/00 take precedence) |
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3/ | 02 | . | with forced circulation, e.g. by pumps |
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3/ | 04 | . | with the water under high pressure |
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3/ | 06 | . . | Arrangements or devices for maintaining high pressure |
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3/ | 08 | . | in combination with systems for domestic hot-water supply |
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3/ | 10 | . | Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks |
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3/ | 12 | . | Tube and panel arrangements for ceiling, wall, or underfloor heating (electric underfloor heating F 24 D 13/02; special adaptations of floors for incorporating ducts, e.g. for heating or ventilating, E 04 B 5/48; building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, E 04 C 1/39; building elements of relatively thin form for the construction of parts of buildings with special adaptations for auxiliary purposes, e.g. serving for locating conduits, E 04 C 2/52) [4] |
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3/ | 14 | . . | incorporated in a ceiling, wall or floor [4] |
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3/ | 16 | . . | mounted on, or adjacent to, a ceiling, wall or floor [4] |
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3/ | 18 | . | using heat pumps [5] |
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5/ | 00 | Hot-air central heating systems (F 24 D 10/00, F 24 D 11/00 take precedence; air conditioning F 24 F) |
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5/ | 02 | . | operating with discharge of hot air into the space or area to be heated |
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5/ | 04 | . . | with return of the air to the air heater |
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5/ | 06 | . | operating without discharge of hot air into the space or area to be heated |
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5/ | 08 | . . | with hot air led through radiators |
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5/ | 10 | . . | with hot air led through heat-exchange ducts in the walls, floor, or ceiling |
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5/ | 12 | . | using heat pumps [5] |
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7/ | 00 | Central heating systems employing heat-transfer fluids not covered by groups F 24 D 1/00 to F 24 D 5/00, e.g. oil, salt, gas (F 24 D 10/00, F 24 D 11/00 take precedence) |
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9/ | 00 | Central heating systems employing combinations of heat-transfer fluids covered by two or more of groups F 24 D 1/00 to F 24 D 7/00 (F 24 D 10/00, F 24 D 11/00 take precedence) |
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9/ | 02 | . | Hot water and steam systems |
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10/ | 00 | District heating systems [5] |
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11/ | 00 | Central heating systems using heat accumulated in storage masses (self-contained storage heating units F 24 D 15/02; storage masses, see the relevant subclasses) |
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11/ | 02 | . | using heat pumps |
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12/ | 00 | Other central heating systems |
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12/ | 02 | . | having more than one heat source (F 24 D 3/18, F 24 D 5/12, F 24 D 11/02 take precedence) [5] |
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Other domestic- or space-heating systems |
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13/ | 00 | Electric heating systems (electric water or air heaters F 24 H) |
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13/ | 02 | . | solely using resistance heating, e.g. underfloor heating |
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13/ | 04 | . | using electric heating of heat-transfer fluid in separate units of the system |
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15/ | 00 | Other domestic- or space-heating systems |
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15/ | 02 | . | consisting of self-contained heating units, e.g. storage heaters [3] |
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15/ | 04 | . | using heat pumps [5] |
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17/ | 00 | Domestic hot-water supply systems (combined with domestic- or space-heating systems F 24 D 1/00 to F 24 D 15/00) |
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17/ | 02 | . | using heat pumps [5] |
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19/ | 00 | Details (of water or air heaters F 24 H 9/00; of heat-exchange or heat-transfer apparatus, of general application F 28 F) |
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19/ | 02 | . | Arrangement of mountings or supports for radiators [3] |
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19/ | 04 | . . | in skirtings [3] |
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19/ | 06 | . | Casings, cover lids or ornamental panels, for radiators [3] |
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19/ | 08 | . | Arrangements for drainage, venting or aerating (valves for drainage F 16 K, e.g. F 16 K 21/00, for venting or aerating F 16 K 24/00) [3] |
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19/ | 10 | . | Arrangement or mounting of control or safety devices (control valves F 16 K; only the heater being controlled F 24 H 9/20) [3] |
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