Method and apparatus for controlling cooling fan of vehicle

Details Method and apparatus for controlling cooling fan of vehicle Method and apparatus for controlling cooling fan of vehicle

2006-04-04

2006-04-04

Norman, Marc (Department: 3744)

Refrigeration

Automatic control

Of external fluid or means

C062S133000, C062S180000, C062S183000, C236S035000, C123S041120, C123S041490

Reexamination Certificate

active

07021071

ABSTRACT:
A driving load of a cooling fan unit is selectively determined from a plurality of predetermined loads corresponding to vehicle parameters including a coolant temperature and a vehicle speed. Also, on the basis of a plurality of coolant temperature ranges and a plurality of vehicle speed ranges. The cooling fan unit is driven with the determined driving load. The vehicle parameters preferably further include a refrigerant pressure and a state of an air/con switch.

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patent: 04-128511 (1992-04-01), None
patent: 102002009 5984 (2002-12-01), None

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