WebCPC CPC COOPERATIVE PATENT CLASSIFICATION
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES (arrangements in connection with cooling of propulsion units in vehicles B60K 11/00; heat-transfer, heat-exchange or heat-storage materials C09K 5/00; {cooling of gas-turbine engines F02C 7/12}; heat exchange in general, radiators F28)
NOTE - In this subclass, the following terms or expressions are used with the meanings indicated:F01P 1/00 Air cooling
F01P 1/02 ・Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
F01P 1/04 ・Arrangements for cooling pistons
F01P 1/06 ・Arrangements for cooling other engine or machine parts
F01P 1/08 ・・for cooling intake or exhaust valves
F01P 1/10 ・・for cooling fuel injectors or sparking-plugs
F01P 3/00 Liquid cooling
F01P 3/02 ・Arrangements for cooling cylinders or cylinder heads
F01P 3/04 ・・Liquid-to-air heat-exchangers combined with, or arranged on, cylinders or cylinder heads
F01P 3/06 ・Arrangements for cooling pistons
F01P 3/08 ・・Cooling of piston exterior only, e.g. by jets
F01P 3/10 ・・Cooling by flow of coolant through pistons
F01P 3/12 ・Arrangements for cooling other engine or machine parts
F01P 3/14 ・・for cooling intake or exhaust valves
F01P 3/16 ・・for cooling fuel injectors or sparking-plugs
F01P 3/18 ・Arrangements or mounting of liquid-to-air heat-exchangers (such arrangements on cylinders or cylinder heads F01P 3/04; relative to vehicles B60K 11/04)
F01P 3/20 ・Cooling circuits not specific to a single part of engine or machine (F01P 3/22 takes precedence)
F01P 3/202 ・・{for outboard marine engines}
F01P 3/205 ・・・{Flushing}
F01P 3/207 ・・{liquid-to-liquid heat-exchanging relative to marine vessels}
F01P 3/22 ・characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P 9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point
F01P 3/2207 ・・{characterised by the coolant reaching temperatures higher than the normal atmospheric boiling point}
F01P 3/2271 ・・{Closed cycles with separator and liquid return}
F01P 3/2285 ・・{Closed cycles with condenser and feed pump}
Pumping cooling-air or liquid coolants; Controlling circulation or supply of coolantsF01P 5/00 Pumping cooling-air or liquid coolants (controlling circulation or supply of coolants by influencing drive of pumps F01P 7/00)
F01P 5/02 ・Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
F01P 5/04 ・・Pump-driving arrangements
F01P 5/043 ・・・{Pump reversing arrangements}
F01P 5/06 ・・Guiding or ducting air to, or from, ducted fans
F01P 5/08 ・・Use of engine exhaust gases for pumping cooling-air
F01P 5/10 ・Pumping liquid coolant; Arrangements of coolant pumps
F01P 5/12 ・・Pump-driving arrangements
F01P 5/14 ・Safety means against, or active at, failure of coolant-pump drives, e.g. shutting engine down; Means for indicating functioning of coolant pump
F01P 7/00 Controlling of coolant flow
F01P 7/02 ・the coolant being cooling-air
F01P 7/023 ・・{Cowlings for airplane engines}
F01P 7/026 ・・{Thermostatic control}
F01P 7/04 ・・by varying pump speed, e.g. by changing pump-drive gear ratio
F01P 7/042 ・・・{using fluid couplings (couplings or clutches of this type per se F16D 35/00)}
F01P 7/044 ・・・{using hydraulic drives}
F01P 7/046 ・・・{using mechanical drives}
F01P 7/048 ・・・{using electrical drives}
F01P 7/06 ・・by varying blade pitch
F01P 7/08 ・・by cutting in or out of pumps
F01P 7/081 ・・・{using clutches, e.g. electro-magnetic or induction clutches}
F01P 7/082 ・・・・{using friction clutches}
F01P 7/084 ・・・・・{actuated electromagnetically}
F01P 7/085 ・・・・・{actuated by fluid pressure}
F01P 7/087 ・・・・・{actuated directly by deformation of a thermostatic device}
F01P 7/088 ・・・・・{actuated in response to driving speed, e.g. by centrifugal devices}
F01P 7/10 ・・by throttling amount of air flowing through liquid-to-air heat exchangers
F01P 7/12 ・・・by thermostatic control
F01P 7/14 ・the coolant being liquid
F01P 7/16 ・・by thermostatic control
F01P 7/161 ・・・{by bypassing pumps}
F01P 7/162 ・・・{by cutting in and out of pumps}
F01P 7/164 ・・・{by varying pump speed}
F01P 7/165 ・・・{characterised by systems with two or more loops}
F01P 7/167 ・・・{by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed}
F01P 9/00 Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P 1/00 to F01P 7/00(profiting from waste heat of combustion-engine cooling F02G 5/00)
F01P 9/02 ・Cooling by evaporation, e.g. by spraying water on to cylinders (evaporation and condensation of liquid coolant in closed cycles F01P 3/22; {evaporation or evaporation apparatus for physical or chemical purposes, e.g. evaporation of liquids for gas phase reactions B01B 1/005})
F01P 9/04 ・by simultaneous or alternative use of direct air-cooling and liquid cooling (F01P 9/02 takes precedence)
F01P 9/06 ・by use of refrigerating apparatus, e.g. of compressor or absorber type
F01P 11/00 Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P 1/00 to F01P 9/00
F01P 11/02 ・Liquid-coolant {filling}, overflow, venting, or draining devices (automatic draining during freezing conditions F01P 11/20)
F01P 11/0204 ・・{Filling}
F01P 11/0209 ・・・{Closure caps}
F01P 11/0214 ・・・・{Mounting}
F01P 11/0238 ・・・・{with overpressure valves or vent valves}
F01P 11/0247 ・・・・{Safety; Locking against opening}
F01P 11/0276 ・・{Draining or purging}
F01P 11/028 ・・{Deaeration devices}
F01P 11/0285 ・・{Venting devices}
F01P 11/029 ・・{Expansion reservoirs}
F01P 11/0295 ・・{Condensers for radiators}
F01P 11/04 ・Arrangements of liquid pipes or hoses
F01P 11/06 ・Cleaning (in general B08B); Combating corrosion (in general C23F)
F01P 11/08 ・Arrangements of lubricant coolers (in lubrication apparatus F01M)
F01P 11/10 ・Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
F01P 11/12 ・Filtering, cooling, or silencing cooling-air
F01P 11/14 ・Indicating devices; Other safety devices
F01P 11/16 ・・concerning coolant temperature (F01P 11/20 takes precedence)
F01P 11/18 ・・concerning coolant pressure, coolant flow, or liquid-coolant level
F01P 11/20 ・・concerning atmospheric freezing conditions, e.g. automatically draining or heating during frosty weather
F01P 2001/00 Air cooling
F01P 2001/005 ・Cooling engine rooms
F01P 2001/02 ・Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
F01P 2001/023 ・・Cooling cylinders (F01P 2003/022 takes precedence)
F01P 2001/026 ・・Cooling cylinder heads (F01P 2003/025 takes precedence)
F01P 2003/00 Liquid cooling
F01P 2003/001 ・Cooling liquid
F01P 2003/003 ・・having boiling-point higher than 100°C
F01P 2003/005 ・the liquid being fuel
F01P 2003/006 ・the liquid being oil
F01P 2003/008 ・the liquid being water and oil
F01P 2003/02 ・Arrangements for cooling cylinders or cylinder heads
F01P 2003/021 ・・Cooling cylinders
F01P 2003/022 ・・・combined with air cooling
F01P 2003/024 ・・Cooling cylinder heads
F01P 2003/025 ・・・combined with air cooling
F01P 2003/027 ・・Cooling cylinders and cylinder heads in parallel
F01P 2003/028 ・・Cooling cylinders and cylinder heads in series
F01P 2003/18 ・Arrangements or mounting of liquid-to-air heat-exchangers (such arrangements on cylinders or cylinder heads F01P 3/04; relative to vehicles B60K 11/04)
F01P 2003/182 ・・with multiple heat-exchangers
F01P 2003/185 ・・arranged in parallel
F01P 2003/187 ・・arranged in series
F01P 2003/22 ・characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P 9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point
F01P 2003/2214 ・・Condensers
F01P 2003/2221 ・・・of the horizontal type
F01P 2003/2228 ・・・of the upflow type
F01P 2003/2235 ・・・of the downflow type
F01P 2003/2242 ・・・Steam-to-steam condensers
F01P 2003/225 ・・・Steam-to-liquid condensers
F01P 2003/2257 ・・・Rotating condensers
F01P 2003/2264 ・・・Separators
F01P 2003/2278 ・・Heat pipes
F01P 2003/2292 ・・with thermostatically controlled by-pass
F01P 2005/00 Pumping cooling-air or liquid coolants (controlling circulation or supply of coolants by influencing drive of pumps F01P 7/00)
F01P 2005/02 ・Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
F01P 2005/025 ・・using two or more air pumps
F01P 2005/04 ・・Pump-driving arrangements
F01P 2005/046 ・・・with electrical pump drive
F01P 2005/10 ・Pumping liquid coolant; Arrangements of coolant pumps
F01P 2005/105 ・・Using two or more pumps
F01P 2005/12 ・・Pump-driving arrangements
F01P 2005/125 ・・・Driving auxiliary pumps electrically
F01P 2007/00 Controlling of coolant flow
F01P 2007/14 ・the coolant being liquid
F01P 2007/143 ・・using restrictions
F01P 2007/146 ・・using valves
F01P 2007/16 ・・by thermostatic control
F01P 2007/168 ・・・By varying the cooling capacity of a liquid-to-air heat-exchanger
F01P 2009/00 Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P 1/00 to F01P 7/00(profiting from waste heat of combustion-engine cooling F02G 5/00)
F01P 2009/005 ・Cooling with melting solids
F01P 2011/00 Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P 1/00 to F01P 9/00
F01P 2011/02 ・Liquid-coolant {filling}, overflow, venting, or draining devices (automatic draining during freezing conditions F01P 11/20)
F01P 2011/0204 ・・{Filling}
F01P 2011/0209 ・・・{Closure caps}
F01P 2011/0214 ・・・・{Mounting}
F01P 2011/0219 ・・・・・using bayonet connections
F01P 2011/0223 ・・・・・Decoration
F01P 2011/0228 ・・・・・Sealing
F01P 2011/0233 ・・・・・Venting
F01P 2011/0238 ・・・・{with overpressure valves or vent valves}
F01P 2011/0242 ・・・・・setting the pressure valve
F01P 2011/0247 ・・・・{Safety; Locking against opening}
F01P 2011/0252 ・・・・・Venting before opening
F01P 2011/0257 ・・・・・with theft preventing means
F01P 2011/0261 ・・・・・activated by temperature
F01P 2011/0266 ・・・・・activated by pressure
F01P 2011/0271 ・・・・Semi-permeable, e.g. using Gore-Tex c fibres
F01P 2011/06 ・Cleaning (in general B08B); Combating corrosion (in general C23F)
F01P 2011/061 ・・Cleaning or combatting corrosion using filters
F01P 2011/063 ・・Cleaning (F01P 2011/061 takes precedence)
F01P 2011/065 ・・Flushing
F01P 2011/066 ・・Combatting corrosion (F01P 2011/061 takes precedence)
F01P 2011/068 ・・・chemically
F01P 2011/14 ・Indicating devices; Other safety devices
F01P 2011/205 ・・using heat-accumulators
F01P 2023/00 Signal processing; Details thereof
F01P 2023/08 ・Microprocessor; Microcomputer
Air cooling; Liquid cooling (propelling cooling-air or liquid coolants F01P 5/00; controlling supply or circulation of coolants F01P 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)F01P 2025/00 Measuring
F01P 2025/04 ・Pressure
F01P 2025/06 ・・for determining flow
F01P 2025/08 ・Temperature
F01P 2025/12 ・・Cabin temperature
F01P 2025/13 ・・Ambient temperature
F01P 2025/30 ・・Engine incoming fluid temperature
F01P 2025/31 ・・Cylinder temperature
F01P 2025/32 ・・Engine outcoming fluid temperature
F01P 2025/33 ・・Cylinder head temperature
F01P 2025/34 ・・Heat exchanger incoming fluid temperature
F01P 2025/36 ・・Heat exchanger mixed fluid temperature
F01P 2025/40 ・・Oil temperature
F01P 2025/42 ・・Intake manifold temperature
F01P 2025/44 ・・Outlet manifold temperature
F01P 2025/46 ・・Engine parts temperature
F01P 2025/48 ・・Engine room temperature
F01P 2025/50 ・・using two or more temperature sensors
F01P 2025/52 ・・Heat exchanger temperature
F01P 2025/60 ・Operating parameters
F01P 2025/62 ・・Load
F01P 2025/64 ・・Number of revolutions
F01P 2025/66 ・・Vehicle speed
F01P 2025/70 ・Level
F01P 2025/80 ・Concentration anti-freeze
F01P 2031/00 Fail safe
F01P 2031/16 ・using melting materials
F01P 2031/18 ・Detecting fluid leaks
F01P 2031/20 ・Warning devices
F01P 2031/22 ・using warning lamps
F01P 2031/24 ・for freezing
F01P 2031/30 ・Cooling after the engine is stopped
F01P 2031/32 ・Deblocking of damaged thermostat
F01P 2031/34 ・Limping home
F01P 2031/36 ・Failure of coolant pump
F01P 2037/00 Controlling
F01P 2037/02 ・starting
F01P 2050/00 Applications
F01P 2050/02 ・Marine engines
F01P 2050/04 ・・using direct cooling
F01P 2050/06 ・・using liquid-to-liquid heat exchangers
F01P 2050/08 ・・Engine room
F01P 2050/10 ・・Z-type engine
F01P 2050/12 ・・Outboard engine
F01P 2050/16 ・Motor-cycles
F01P 2050/20 ・Aircraft engines
F01P 2050/22 ・Motor-cars
F01P 2050/24 ・Hybrid vehicles
F01P 2050/30 ・Circuit boards
F01P 2060/00 Cooling circuits using auxiliaries
F01P 2060/02 ・Intercooler
F01P 2060/04 ・Lubricant cooler
F01P 2060/045 ・・for transmissions
F01P 2060/06 ・Retarder
F01P 2060/08 ・Cabin heater
F01P 2060/10 ・Fuel manifold
F01P 2060/12 ・Turbo charger
F01P 2060/14 ・Condenser
F01P 2060/16 ・Outlet manifold
F01P 2060/18 ・Heater
F01P 2060/185 ・・for alternators or generators
F01P 2070/00 Details
F01P 2070/02 ・using shape memory alloys
F01P 2070/04 ・using electrical heating elements
F01P 2070/06 ・Using intake pressure as actuating fluid
F01P 2070/08 ・Using lubricant pressure as actuating fluid
F01P 2070/10 ・using electrical or electromechanical means
F01P 2070/30 ・Rotating radiators
F01P 2070/32 ・Ring-shaped heat exchangers
F01P 2070/50 ・mounting fans to heat-exchangers
F01P 2070/52 ・mounting heat-exchangers
--- Edited by Muguruma Professional Engineer Office(C), 2013 ---