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Class Information
Number: 236/35
Name: Automatic temperature and humidity regulation > Cooling radiator > Air control
Description: Devices controlling the flow of air over the radiator according to the temperature of the fluid cooled or the cooling-air or the engine temperature.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7066114 |
Reverse fan operation for vehicle cooling system |
Jun. 27, 2006 |
| 7021071 |
Method and apparatus for controlling cooling fan of vehicle |
Apr. 4, 2006 |
| 6999906 |
Reconfiguration method for a sensor system comprising at least one set of observers for failure compensation and guaranteeing measured value quality |
Feb. 14, 2006 |
| 6824067 |
Method of cooling engine coolant flowing through a radiator |
Nov. 30, 2004 |
| 6374780 |
Electric waterpump, fluid control valve and electric cooling fan strategy |
Apr. 23, 2002 |
| 6337949 |
System for controlling an electric motor of a fan associated with heat exchangers in a motor vehicle |
Jan. 8, 2002 |
| 6336592 |
Thermal control for a test and measurement instrument |
Jan. 8, 2002 |
| 6182902 |
Device and method for automatically controlling rotating speed of fan cooler |
Feb. 6, 2001 |
| 6126079 |
Fan control |
Oct. 3, 2000 |
| 6016965 |
Vehicle cooling system with electric motor overcurrent inhibiting control |
Jan. 25, 2000 |
| 5947189 |
Heat exchanging system having cooling fan, for vehicle |
Sep. 7, 1999 |
| 5778693 |
Automotive hydraulic engine cooling system with thermostatic control by hydraulic actuation |
Jul. 14, 1998 |
| 5718373 |
System for controlling automobile cooling fan |
Feb. 17, 1998 |
| 5465589 |
Idle automated A/C system |
Nov. 14, 1995 |
| 5307644 |
Method and electronic device for controlling engine fan |
May. 3, 1994 |
| 4955431 |
Cooling device for an internal combustion engine and method for controlling such a cooling device |
Sep. 11, 1990 |
| 4875521 |
Electric fan assembly for over-the-road trucks |
Oct. 24, 1989 |
| 4804139 |
Cooling system for a water-cooled vehicle engine |
Feb. 14, 1989 |
| 4687132 |
Engine cooling fan coupling system controlled in concert with a cooling system thermostat |
Aug. 18, 1987 |
| 4658595 |
Cooling system for radiator and condenser of vehicles with an air conditioner and method of operating the same |
Apr. 21, 1987 |
| 4651922 |
Apparatus for controlling rotational speed of radiator fan |
Mar. 24, 1987 |
| 4590772 |
Air conditioning system for vehicle |
May. 27, 1986 |
| 4570849 |
Fan drive, particularly for cooling installation of vehicles |
Feb. 18, 1986 |
| 4555910 |
Coolant/refrigerant temperature control system |
Dec. 3, 1985 |
| 4487255 |
Control for a fluid-driven fan |
Dec. 11, 1984 |
| 4485624 |
Supercharged internal combustion engine equipped with an air intercooling system |
Dec. 4, 1984 |
| 4446697 |
Hydraulic fan drive system including variable displacement pump |
May. 8, 1984 |
| 4445583 |
Cooling fan control |
May. 1, 1984 |
| 4425766 |
Motor vehicle cooling fan power management system |
Jan. 17, 1984 |
| 4257554 |
Fan assembly |
Mar. 24, 1981 |
| 4228880 |
Pulse control of an electro magnetically actuated viscous fluid coupling |
Oct. 21, 1980 |
| 4223646 |
Hydraulic fan drive system |
Sep. 23, 1980 |
| 4200146 |
Method and apparatus for hydraulically driving and controlling a cooling fan |
Apr. 29, 1980 |
| 4176630 |
Automatic control valves |
Dec. 4, 1979 |
| 4174065 |
Fluid flow regulating systems |
Nov. 13, 1979 |
| 4124001 |
Electronic speed control for a variable speed fan drive |
Nov. 7, 1978 |
| 4062329 |
Fan drive system |
Dec. 13, 1977 |
| 4044287 |
Circuit for energizing the electromotor driving a blower |
Aug. 23, 1977 |
| 4036432 |
Variable speed fan drive system |
Jul. 19, 1977 |
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