F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
LIGHTING AND HEATING
 F24
HEATING; RANGES; VENTILATING (protecting plants by heating in gardens, orchards, or forests A01G 13/06; baking ovens and apparatus A21B; cooking devices other than ranges A47J; specially adapted for vehicles, see the relevant sub-classes of classes B60-B64; combustion apparatus in general F23; drying F26B; ovens in general F27; electric heating elements and arrangements H05B)
 F24

Note(s)

In this class, the following words are used with the meanings indicated:

  1. "Stove" includes an open fire.
  2. "Range" means an apparatus for cooking having elements that perform different cooking operations or cooking and heating operations.

 F24H
WATER HEATERS; AIR HEATERS OR CONVECTION TYPE; ELEMENTS OR COMPONENTS OF DOMESTIC-HEATING OR HOT-WATER SUPPLY SYSTEMS (control valves per se F16K; devices for venting or aerating F16K 24/00; steam traps or like apparatus F16T; steam boilers F22; combustion apparatus F23; construction of radiator or other heat-exchange elements F28F; control devices per se G05; electric heating elements or arrangements H05B)
 F24H

Note(s)

In this sub-class The term "heater" refers not only to the heat-producing apparatus but also includes the apparatus by which heat is transferred to water on air.

 F24H 1/00
Water heaters, e.g. water-heating stove, boiler, flow-heater, water-storage heater; Heaters for liquids other than water, for central heating (F24H 7/00, F24H 9/00 take precedence; boilers for steam generation F22; such heaters combined with additional stoves or ranges F24B, F24C)
 F24H 1/00

Note(s)

In the sub-groups of this group the term "water heater" is to be understood as including heaters for liquids other than water, for central heating.

 F24H 1/04
·  Mounting arrangements of water heaters or water-heating elements in domestic stoves or ranges
 F24H 1/06
·  Portable or mobile, e.g. collapsible
 F24H 1/08
·  Packaged or self-contained boilers, i.e. water heaters with control devices and pump in a single unit
 F24H 1/10
·  Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
 F24H 1/12
·  ·  in which the water is separated from the heating medium
 F24H 1/14
·  ·  ·  by tubes, e.g. bent in serpentine form
 F24H 1/16
·  ·  ·  ·  bent in the form of coils
 F24H 1/18
·  Water-storage heaters (combined with water-heating stoves for central heating F24H 1/22)
 F24H 1/20
·  ·  with immersed heating elements, e.g. electric elements
 F24H 1/22
·  Water heaters other than continuous-flow or water-storage heaters, e.g. water-heating stove for central heating
 F24H 1/24
·  ·  with water mantle surrounding the combustion chamber or chambers (F24H 1/44 takes precedence)
 F24H 1/26
·  ·  ·  the water mantle forming an integral body
 F24H 1/28
·  ·  ·  ·  including one or more fire tubes, i.e. tubes containing fires or combustion products
 F24H 1/30
·  ·  ·  the water mantle being built-up from sections
 F24H 1/32
·  ·  ·  ·  with vertical sections arranged side by side
 F24H 1/34
·  ·  with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side (F24H 1/24, F24H 1/44 take precedence)
 F24H 1/36
·  ·  ·  the water chamber including one or more fire tubes
 F24H 1/38
·  ·  with water contained in separate elements, e.g. radiator-type element (F24H 1/40, F24H 1/44 take precedence)
 F24H 1/40
·  ·  with water tube or tubes, e.g coiled (F24H 1/44 takes precedence)
 F24H 1/42
·  ·  ·  in bundles
 F24H 1/44
·  ·  with combinations of two or more of the types of arrangements covered by groups F24H 1/24-F24H 1/40
 F24H 1/46
·  the heat being derived from steam or hot gas, e.g. exhaust gases (F24H 1/28 takes precedence)
 F24H 3/00
Air heaters (F24H 7/00 takes precedence; details F24H 9/00; stoves or ranges with additional provisions for convection heating of air F24B, F24C)
 F24H 3/02
·  with forced circulation (F24H 3/12 takes precedence)
 F24H 3/04
·  ·  the air being in direct contact with the heating medium, e.g. electric heating element
 F24H 3/06
·  ·  the air being kept separated from the heating medium, e.g. using forced circulation of air over radiators
 F24H 3/08
·  ·  ·  by tubes
 F24H 3/10
·  ·  ·  by plates
 F24H 3/12
·  with additional heating arrangements
 F24H 3/14
·  the heat being derived from steam or hot gas, e.g. exhaust gases
 F24H 6/00
Combined water and air heaters
 F24H 7/00
Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
 F24H 7/02
·  the released heat being conveyed to a transfer fluid, e.g. air, water
 F24H 7/04
·  ·  with forced circulation
 F24H 7/06
·  the released heat being radiated
 F24H 9/00
Details
 F24H 9/02
·  Casings; Cover lids; Ornamental panels
 F24H 9/04
·  ·  for radiators
 F24H 9/06
·  Arrangement of mountings or supports, e.g. bracket, leg
 F24H 9/08
·  ·  for installation of heaters on ceilings, floors or walls, e.g. panel units
 F24H 9/10
·  ·  ·  in skirtings
 F24H 9/12
·  Connecting heaters to circulation pipes (pipe joints in general F16L)
 F24H 9/14
·  Connecting different sections, e.g. in water heater (in radiators F28F 9/26)
 F24H 9/16
·  Arrangements for water drainage (in pipes or pipe systems in general F16L 55/00)
 F24H 9/18
·  Arrangement or mounting of grates, burners, or heating elements (burners F23D; grates F23H; electric heating elements H05B)
 F24H 9/20
·  Arrangement or mounting of control or safety devices (control devices per se F16K; G05; safety devices for burners F23D; combustion control devices F23N)