SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
F24J
1/1
F 24 J
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. F 03 G for using natural heat)
Note
Processes using enzymes or micro-organisms in order to:
(i)
liberate, separate or purify a pre-existing compound or composition, or to
(ii)
treat textiles or clean solid surfaces of materials
Use of solar heat, e.g. solar heat collectors (distillation or evaporation of water using solar energy C 02 F 1/14; roof covering aspects of energy collecting devices
E 04 D 13/18; devices for producing mechanical power from solar energy F 03 G 6/00; semi-conductor devices adapted for converting solar energy into electrical energy H 01 L 25/00, H 01 L 31/00; semiconductor devices including arrays of solar cells using heat energy H 01 L 31/058; generators in which light radiation is directly converted into electrical energy H 02 N 6/00) [4,5]
2
/
02
•
Solar heat collectors with support for article heated, e.g. stoves, ranges, crucibles, furnaces or ovens using solar heat [4]
2
/
04
•
Solar heat collectors having working fluid conveyed through collector [4]
2
/
05
•
•
surrounded by a transparent enclosure, e.g. evacuated solar collectors [6]
2
/
06
•
•
having concentrating elements (optical elements or systems per seG 02 B) [4]
2
/
07
•
•
•
Receivers working at high temperature, e.g. for solar power plants [6]
the working fluid being conveyed between plates [4]
2
/
22
•
•
•
having extended surfaces, e.g. protrusions, corrugations (F 24 J 2/28 takes precedence) [4]
2
/
23
•
•
the working fluid trickling freely over collector elements [6]
2
/
24
•
•
the working fluid being conveyed through tubular heat absorbing conduits [4]
2
/
26
•
•
•
having extended surfaces, e.g. protrusions (F 24 J 2/28
takes precedence) [4]
2
/
28
•
•
having permeable mass, foraminous or porous materials [4]
2
/
30
•
•
with means to exchange heat between plural fluids [4]
2
/
32
•
•
having evaporator and condenser section, e.g. heat pipe [4]
2
/
34
•
•
having heat storage mass [4]
2
/
36
•
Rollable or foldable collector units [4]
2
/
38
•
employing tracking means (F 24 J 2/02, F 24 J 2/06 take precedence; rotary supports or mountings therefor F 24 J 2/54; direction-finders for determining the direction from which electromagnetic waves are being received G 01 S 3/78; control of position or direction G 05 D 3/00) [4]
2
/
40
•
Control arrangements [4]
2
/
42
•
Solar heat systems not otherwise provided for [4]
2
/
44
•
•
having thermosiphonic circulation [4]
2
/
46
•
Component parts, details or accessories of solar heat collectors [4]
