F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
LIGHTING; 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 subclasses of classes B60-B64; combustion apparatus in general F23; drying F26B; ovens in general F27; electric heating elements or arrangements H05B)
 F24

Note(s)

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

  • "stove" includes apparatus which may have an open fire, e.g. fireplace;
  • "range" means an apparatus for cooking having elements that perform different cooking operations or cooking and heating operations.

 F24J
PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR (engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. F03G for using natural heat)
 F24J 1/00
Exothermal chemical reactions not involving a supply of free oxygen gas; Apparatus or devices, e.g. stoves or ranges, for using the heat therefrom
 F24J 1/02
·  the reactions involving chemically-bound oxygen
 F24J 1/04
·  the reactions involving combination of elements other than oxygen
 F24J 2/00
Use of solar heat, e.g. solar heat collectors (distillation or evaporation of water using solar energy C02F 1/14; roof covering aspects of energy collecting devices E04D 13/18; semi-conductor devices adapted for converting solar energy into electrical energy H01L 25/00, H01L 31/00; generators in which light radiation is directly converted into electrical energy H02N 6/00)  [4]
 F24J 2/02
·  Solar heat collectors with support for article heated, e.g. stoves, ranges, crucibles, furnaces or ovens using solar heat  [4]
 F24J 2/04
·  Solar heat collectors having working fluid conveyed through collector  [4]
 F24J 2/06
·  ·  having concentrating elements (optical elements or systems per se G02B)  [4]
 F24J 2/08
·  ·  ·  Lenses  [4]
 F24J 2/10
·  ·  ·  Reflectors  [4]
 F24J 2/12
·  ·  ·  ·  parabolic  [4]
 F24J 2/14
·  ·  ·  ·  semi-cylindrical or cylindro-parabolic  [4]
 F24J 2/16
·  ·  ·  ·  having flat plates  [4]
 F24J 2/18
·  ·  ·  ·  spaced, opposed interacting reflecting surfaces  [4]
 F24J 2/20
·  ·  the working fluid being conveyed between plates  [4]
 F24J 2/22
·  ·  ·  having extended surfaces, e.g. protrusions, corrugations (F24J 2/28 takes precedence)  [4]
 F24J 2/24
·  ·  the working fluid being conveyed through tubular heat absorbing conduits  [4]
 F24J 2/26
·  ·  ·  having extended surfaces, e.g. protrusions (F24J 2/28 takes precedence)  [4]
 F24J 2/28
·  ·  having permeable mass, foraminous or porous materials  [4]
 F24J 2/30
·  ·  with means to exchange heat between plural fluids  [4]
 F24J 2/32
·  ·  having evaporator and condenser section, e.g. heat pipe  [4]
 F24J 2/34
·  ·  having heat storage mass  [4]
 F24J 2/36
·  Rollable or foldable collector units  [4]
 F24J 2/38
·  employing tracking means (F24J 2/02, F24J 2/06 take precedence; direction-finders for determining the direction from which electromagnetic waves are being received G01S 3/78; control of position or direction G05D 3/00)  [4]
 F24J 2/40
·  Control arrangements  [4]
 F24J 2/42
·  Solar heat systems not otherwise provided for  [4]
 F24J 2/44
·  ·  having thermosiphonic circulation  [4]
 F24J 2/46
·  Component parts, details or accessories of solar heat collectors  [4]
 F24J 2/48
·  ·  characterised by the absorber material  [4]
 F24J 2/50
·  ·  Transparent coverings  [4]
 F24J 2/52
·  ·  Arrangement of mountings or supports  [4]
 F24J 3/00
Other production or use of heat, not derived from combustion (use of solar heat F24J 2/00; materials therefor C09K 5/00)
 F24J 3/02
( transferred to F24J 2/00, F24J 3/06 )
 F24J 3/04
( covered by F24J 3/00 )
 F24J 3/06
·  using natural heat  [4]
 F24J 3/08
·  ·  using geothermal heat  [4]