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Class Information
Number: 123/41.08
Name: Internal-combustion engines > Cooling > Automatic coolant flow control > Valves for fluid coolant
Description: Cooling systems wherein the primary or secondary coolant is a fluid and the device for stopping, varying or starting the flow of liquid is a valve.










Sub-classes under this class:

Class Number Class Name Patents
123/41.09 Coolant source bypass 69


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8701603 Control valve unit for a liquid circuit Apr. 22, 2014
8701604 Gas cooler for an internal combustion engine Apr. 22, 2014
8695541 Cooling system for internal combustion engine Apr. 15, 2014
8689742 Integrated coolant flow control and heat exchanger device Apr. 8, 2014
8646417 Cooling apparatus for internal combustion engine Feb. 11, 2014
8590494 Arrangement in a low-temperature cooling system for a supercharged combustion engine Nov. 26, 2013
8573163 Cooling device for vehicle Nov. 5, 2013
8567357 Coolant circuit for an internal combustion engine Oct. 29, 2013
8567356 Drill rig and method for controlling a fan therein Oct. 29, 2013
8561580 Engine cooling device Oct. 22, 2013
8528832 Engine cooling and climate control system Sep. 10, 2013
8485143 Valve arrangement for venting a coolant circuit of an internal combustion engine Jul. 16, 2013
8474415 Internally dampened pressure relief valve Jul. 2, 2013
8474419 Temperature control apparatus and method for an automotive cooling system Jul. 2, 2013
8464669 Cooling circuit for an internal combustion engine Jun. 18, 2013
8459389 Integrated pump, coolant flow control and heat exchange device Jun. 11, 2013
8443765 Digital rotary control valve May. 21, 2013
8443775 Systems and methods for controlling engine temperature May. 21, 2013
8418931 Heat exchanger with integral thermostats Apr. 16, 2013
8393305 Control valve with sealing segment for fluid circulation circuit Mar. 12, 2013
8370052 Engine cooling system onboard diagnostic strategy Feb. 5, 2013
8347831 Sealed control valve for a fluid flow circuit Jan. 8, 2013
8347846 Control device for internal combustion engine Jan. 8, 2013
8250865 Using compressed intake air to clean engine exhaust gas recirculation cooler Aug. 28, 2012
8220421 Cooling system for internal combustion engine Jul. 17, 2012
8215283 Cooling system for variable cylinder engines Jul. 10, 2012
8201525 Cooling device for engine Jun. 19, 2012
8181610 Vehicle cooling system with directed flows May. 22, 2012
8141524 Cooling system having variable orifice plates Mar. 27, 2012
8100096 Method for automatically controlling an internal combustion engine Jan. 24, 2012
8091624 Cooling system in a motor vehicle Jan. 10, 2012
8074611 Thermostat assembly having integral cylinder head and thermostat housing Dec. 13, 2011
8061309 Cooling system Nov. 22, 2011
8020782 Transmission thermostat device Sep. 20, 2011
8006655 Heat storage system for vehicle Aug. 30, 2011
7984700 Control valve for cooling circuit Jul. 26, 2011
7963455 Thermostat valve Jun. 21, 2011
7958854 Multi-stage cooling system Jun. 14, 2011
7874884 Computer controlled water bypass system for a marine engine Jan. 25, 2011
7770547 Regulating device of the water outlet chamber type Aug. 10, 2010
7730855 Coolant controller and method for its manufacture Jun. 8, 2010
7726266 Cooling circuit for an internal combustion engine Jun. 1, 2010
7721974 Thermostat device May. 25, 2010
7655098 Readying cooling circuits for use in fuel cells Feb. 2, 2010
7614368 Automated no-idle heating and engine pre-heat using engine coolant Nov. 10, 2009
7600491 Coolant air bleed structure for water-cooled internal combustion engine and engine incorporating same Oct. 13, 2009
7484479 Water-cooled internal combustion engine Feb. 3, 2009
7478611 Pipe joint Jan. 20, 2009
7478612 Engine cooling apparatus Jan. 20, 2009
7421984 Method for adjusting a coolant flow by means of a heating cut-off valve Sep. 9, 2008

1 2 3 4










 
 
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