F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
LIGHTING; HEATING
F24
HEATING; RANGES; VENTILATING

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 (materials therefor C09K 5/00; engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. F03G for using natural heat)
F24J 1/00
Apparatus or devices using heat produced by exothermal chemical reactions other than by combustion (for cooking-vessels A47J 36/28; self-heating compresses A61F 7/03; materials for the production of heat or cold undergoing non-reversible chemical reactions, other than by combustion, when used C09K 5/18) [2006.01]
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; devices for producing mechanical power from solar energy F03G 6/00; semiconductor devices specially adapted for converting solar energy into electrical energy H01L 31/00; photovoltaic [PV] cells including means directly associated with the PV cell to utilise heat energy H01L 31/0525; PV modules including means associated with the PV module to utilise heat energy H02S 40/44) [2014.01]

Note(s) [2014.01]

  • Supporting structures also intended for use with photovoltaic modules should further be classified in the relevant groups of subclass H02S.
F24J 2/02
•
Solar heat collectors with support for article heated, e.g. stoves, ranges, crucibles, furnaces or ovens using solar heat [2006.01]
F24J 2/04
•
Solar heat collectors having working fluid conveyed through collector [2006.01]
F24J 2/05
•
•
surrounded by a transparent enclosure, e.g. evacuated solar collectors [2006.01]
F24J 2/06
•
•
having concentrating elements (optical elements or systems per se G02B) [2006.01]
F24J 2/07
•
•
•
Receivers working at high temperature, e.g. for solar power plants [2006.01]
F24J 2/08
•
•
•
having lenses as concentrating elements [2006.01]
F24J 2/10
•
•
•
having reflectors as concentrating elements [2006.01]
F24J 2/12
•
•
•
•
parabolic [2006.01]
F24J 2/13
•
•
•
•
hemispherical [2006.01]
F24J 2/14
•
•
•
•
semi-cylindrical or cylindro-parabolic [2006.01]
F24J 2/15
•
•
•
•
conical [2006.01]
F24J 2/16
•
•
•
•
having flat plates [2006.01]
F24J 2/18
•
•
•
•
spaced, opposed interacting reflecting surfaces [2006.01]
F24J 2/20
•
•
the working fluid being conveyed between plates [2006.01]
F24J 2/22
•
•
•
having extended surfaces, e.g. protrusions, corrugations (F24J 2/28 takes precedence) [2006.01]
F24J 2/23
•
•
the working fluid trickling freely over collector elements [2006.01]
F24J 2/24
•
•
the working fluid being conveyed through tubular heat absorbing conduits [2006.01]
F24J 2/26
•
•
•
having extended surfaces, e.g. protrusions (F24J 2/28 takes precedence) [2006.01]
F24J 2/28
•
•
having permeable mass, foraminous or porous materials [2006.01]
F24J 2/30
•
•
with means to exchange heat between plural fluids [2006.01]
F24J 2/32
•
•
having evaporator and condenser section, e.g. heat pipe [2006.01]
F24J 2/34
•
•
having heat storage mass [2006.01]
F24J 2/36
•
Rollable or foldable collector units [2006.01]
F24J 2/38
•
employing tracking means (F24J 2/02, F24J 2/06 take precedence; rotary supports or mountings therefor F24J 2/54; supporting structures of photovoltaic modules for generation of electric power specially adapted for solar tracking systems H02S 20/32) [2014.01]
F24J 2/40
•
Control arrangements [2006.01]
F24J 2/42
•
Solar heat systems not otherwise provided for [2006.01]
F24J 2/44
•
•
having thermosiphonic circulation [2006.01]
F24J 2/46
•
Component parts, details or accessories of solar heat collectors [2006.01]
F24J 2/48
•
•
characterised by the absorber material [2006.01]
F24J 2/50
•
•
Transparent coverings [2006.01]
F24J 2/51
•
•
Thermal insulation (F24J 2/50 takes precedence) [2006.01]
F24J 2/52
•
•
Arrangement of mountings or supports [2006.01]
F24J 2/54
•
•
•
specially adapted for rotary movement [2006.01]
F24J 3/00
Other production or use of heat, not derived from combustion (use of solar heat F24J 2/00) [2006.01]
F24J 3/06
•
using natural heat [2006.01]
F24J 3/08
•
•
using geothermal heat (devices for producing mechanical power from geothermal energy F03G 4/00) [2006.01]