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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
5174496 Submerged and fusible device with safety valves that replace the faulty thermostat unit in an engine or analogue Dec. 29, 1992
5170752 Thermostat cover with snap-in nipple Dec. 15, 1992
5163613 Thermostat bypass Nov. 17, 1992
5129577 Sealing means for a thermostat Jul. 14, 1992
5123591 Radiator hose with internally mounted thermostat Jun. 23, 1992
5119061 Thermo-actuator Jun. 2, 1992
5095940 Thermostatic valve Mar. 17, 1992
5083705 Wax-pellet thermostat Jan. 28, 1992
5033865 Thermo-actuator Jul. 23, 1991
5022664 Metal gasket for joint structure Jun. 11, 1991
5018664 Thermostat having soft mounting structure May. 28, 1991
4993628 Radiator hose with internally mounted thermostat Feb. 19, 1991
4986470 Flow controller Jan. 22, 1991
4982704 Vehicle cooling system subassembly and parts therefor Jan. 8, 1991
4981260 Failsafe thermostat for water-cooled engines Jan. 1, 1991
4979671 Auto thermostat Dec. 25, 1990
4978060 Engine coolant thermostat with pressure relief feature Dec. 18, 1990
4976462 Water cooling means for engine Dec. 11, 1990
4961530 Engine cooling system, structure therefor and methods of making the same Oct. 9, 1990
4948043 Wax-pellet thermostat Aug. 14, 1990
4913101 Vehicle cooling system subassembly, parts therefor and methods of making the same Apr. 3, 1990
4895301 Engine coolant system and method of making the same Jan. 23, 1990
4890790 Engine cooling system, structure therefor and methods of making the same Jan. 2, 1990
4883225 Fail-safe thermostat for vehicular cooling systems Nov. 28, 1989
4856711 Double seal thermostat Aug. 15, 1989
4848652 Vehicle engine coolant system and method of making the same Jul. 18, 1989
4828167 Wax-pellet thermostat May. 9, 1989
4776513 Double seal thermostat Oct. 11, 1988
4763834 Valve seat structure for automotive thermostatic fluid control valve device Aug. 16, 1988
4759316 Cooling system for internal combustion engines Jul. 26, 1988
4751898 Coolant loss valve for engine protective system Jun. 21, 1988
4748941 Cooling system for an engine Jun. 7, 1988
4744336 Servo type cooling system valve May. 17, 1988
4744335 Servo type cooling system control May. 17, 1988
4691861 Valve construction and method of making the same Sep. 8, 1987
4679530 Cooling system for an automobile engine Jul. 14, 1987
4674679 Thermostatic valve for controlling the coolant temperature of an internal-combustion engine Jun. 23, 1987
4666081 Programmable thermostat and system therefor May. 19, 1987
4653688 Thermostat with bypass valve Mar. 31, 1987
4644909 System for cooling internal combustion engines Feb. 24, 1987
4643134 Engine cooling system air venting arrangement with buoyant air purge valve Feb. 17, 1987
4630770 Valve construction and method of making the same Dec. 23, 1986
4627567 Pivotal slide valve Dec. 9, 1986
4606302 Thermostat insert for the cooling circulation of liquid-cooled internal combustion engines Aug. 19, 1986
4592504 Hot-water storage type hot-water supply apparatus operating under a natural circulation principle Jun. 3, 1986
4583499 In-line thermostat apparatus for automotive vehicles Apr. 22, 1986
4580719 Thermostatic control device Apr. 8, 1986
4562953 Valve seat structure for automotive thermostatic fluid control valve device Jan. 7, 1986
4560104 Coolant temperature control system of internal combustion engine Dec. 24, 1985
4550693 Temperature control arrangement for combustion engine Nov. 5, 1985

1 2 3 4 5 6










 
 
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