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Class Information
Number: 236/34.5
Name: Automatic temperature and humidity regulation > Cooling radiator > Bypass
Description: Subject matter in which a by pass is interposed in the cooling circuit to by pass the radiator, usually including a thermostatically operated valve responsive to the temperature of the coolant or engine and positioned in the circuit to direct the flow of the coolant either to the radiator or the by pass.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8690072 Radiator bypass valve Apr. 8, 2014
8561580 Engine cooling device Oct. 22, 2013
8534569 Cooling device for vehicle Sep. 17, 2013
8469083 Heat exchanger with bypass valve Jun. 25, 2013
8430071 Engine cooling system for a vehicle Apr. 30, 2013
8418931 Heat exchanger with integral thermostats Apr. 16, 2013
8360634 Normal-to-flow thermostat design Jan. 29, 2013
8291561 Thermostat installing structure Oct. 23, 2012
8251296 Fluid regulation thermostatic valve, coolant circuit including such valve and method for making such valve Aug. 28, 2012
8220421 Cooling system for internal combustion engine Jul. 17, 2012
8220720 Thermostatic valve for cooling system of an internal combustion engine Jul. 17, 2012
8215381 Method for controlling heat exchanger fluid flow Jul. 10, 2012
8205802 Premounted unit of a tube portion and a thermostat valve Jun. 26, 2012
8201524 Method and device for controlling the initial opening of a thermostat regulating the temperature of an internal combustion engine Jun. 19, 2012
8186604 Thermostat apparatus May. 29, 2012
8141790 Thermal bypass valve with pressure relief capability Mar. 27, 2012
8109242 Multi-thermostat engine cooling system Feb. 7, 2012
8066197 Failsafe thermal bypass valve for cooling system Nov. 29, 2011
8057687 Liquid filter heat exchanger unit Nov. 15, 2011
8042745 Thermally responsive valve for regulating engine coolant flow Oct. 25, 2011
8042499 Coolant circulation circuit for engine Oct. 25, 2011
8020613 Heat transfer controlling mechanism and fuel cell system having the heat transfer controlling mechanism Sep. 20, 2011
7997505 Bypass valve for a cooler connected downstream of a hydraulic unit Aug. 16, 2011
7987822 Electromechanical failsafe thermostat Aug. 2, 2011
7819332 Device for uncoupling the oil flow through a radiator Oct. 26, 2010
7775268 Vehicle cooling system Aug. 17, 2010
7770547 Regulating device of the water outlet chamber type Aug. 10, 2010
7735546 Heat exchanger bypass valve having temperature insensitive pressure bypass function Jun. 15, 2010
7730855 Coolant controller and method for its manufacture Jun. 8, 2010
7721973 Valve May. 25, 2010
7665513 Heat exchanger structure of automatic transmission Feb. 23, 2010
7540431 By-pass valve for heat exchanger Jun. 2, 2009
7506664 Automotive coolant control valve Mar. 24, 2009
7490662 Integrated thermal bypass valve Feb. 17, 2009
7490581 Flow control thermostat for internal combustion engines and method of use of same Feb. 17, 2009
7445161 Thermostat Nov. 4, 2008
7412948 Fluid valve Aug. 19, 2008
7409929 Cooling apparatus for internal combustion engine Aug. 12, 2008
7320434 Method of controlling electronic controlled thermostat Jan. 22, 2008
7299994 Oil cooler bypass valve Nov. 27, 2007
7222592 Water outlet box provided with a thermostat and manufacturing process May. 29, 2007
7210846 Thermostat housing assembly May. 1, 2007
7172135 Thermostat for two-system cooling device Feb. 6, 2007
7172133 Heatable dilation element Feb. 6, 2007
7108193 Integration of a thermostat in the recycling system of the vehicular exhaust gas recirculation (EGR) system Sep. 19, 2006
7073576 System for the circulation of the coolant of the oil cooler for the automatic transmission of a motor vehicle Jul. 11, 2006
7070116 Constructive arrangement applied to an integrated thermostatic valve device Jul. 4, 2006
7063048 Arrangement for integration of a double thermostat in an engine Jun. 20, 2006
6994784 Liquid filter/heat exchanger unit Feb. 7, 2006
6962295 Thermostat for an automatic hydraulic transmission system Nov. 8, 2005

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