(0)F01P:0/1:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF...
F01P
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F 01 P

 COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES (arrangements in connection with cooling of propulsion units in vehicles B 60 K 11/00; heat exchange in general, radiators F 28)
 

Notes

(1)

 In this subclass, the following terms or expresions are used with the meanings indicated:
 

-

 "air" also includes other gaseous cooling fluids;
 

-

 "liquid cooling" also includes cooling where liquid is used as the heat-transferring fluid between parts to be cooled and the air, e.g. using radiators;
 

-

 "air cooling" means direct air cooling and thus excludes indirect air cooling occurring in liquid cooling systems as explained under liquid cooling above;
 

-

 "cooling-air" includes directly- or indirectly-acting cooling-air.

(2)

 Attention is drawn to the Notes preceding class F 01, especially as regards Note (3).

(3)

 Cooling by lubricant is classified in subclass F 01 M when the lubrication aspect predominates, and in subclass F 01 P when the cooling aspect predominates.

 

 

 

Air cooling; Liquid cooling (propelling cooling-air or liquid coolants F 01 P 5/00; controlling supply or circulation of coolants F 01 P 7/00; cylinders, pistons, valves, fuel injectors, sparking-plugs, or other engine or machine parts, modified to facilitate cooling, see the relevant classes for such parts)
 

 1
/ 00 Air cooling

1
/ 02 • Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders  

1
/ 04 • Arrangements for cooling pistons  

1
/ 06 • Arrangements for cooling other engine or machine parts  

1
/ 08 • • for cooling intake or exhaust valves  

1
/ 10 • • for cooling fuel injectors or sparking-plugs  
 

 3
/ 00 Liquid cooling

3
/ 02 • Arrangements for cooling cylinders or cylinder heads  

3
/ 04 • • Liquid-to-air heat-exchangers combined with, or arranged on, cylinders or cylinder heads  

3
/ 06 • Arrangements for cooling pistons  

3
/ 08 • • Cooling of piston exterior only, e.g. by jets  

3
/ 10 • • Cooling by flow of coolant through pistons  

3
/ 12 • Arrangements for cooling other engine or machine parts  

3
/ 14 • • for cooling intake or exhaust valves  

3
/ 16 • • for cooling fuel injectors or sparking-plugs  

3
/ 18 • Arrangement or mounting of liquid-to-air heat-exchangers (such arrangements on cylinders or cylinder heads F 01 P 3/04; relative to vehicles B 60 K 11/04)  

3
/ 20 • Cooling circuits not specific to a single part of engine or machine (F 01 P 3/22 takes precedence)  

3
/ 22 • characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F 01 P 9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point  

Pumping cooling-air or liquid coolants; Controlling circulation or supply of coolants
 

 5
/ 00 Pumping cooling-air or liquid coolants (controlling circulation or supply of coolants by influencing drive of pumps F 01 P 7/00)

5
/ 02 • Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers  

5
/ 04 • • Pump-driving arrangements  

5
/ 06 • • Guiding or ducting air to or from ducted fans  

5
/ 08 • • Use of engine exhaust gases for pumping cooling-air  

5
/ 10 • Pumping liquid coolant; Arrangements of coolant pumps  

5
/ 12 • • Pump-driving arrangements  

5
/ 14 • Safety means against, or active at, failure of coolant-pump drives, e.g. shutting engine down; Means for indicating functioning of coolant pumps  
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