Engine cooling system with blade angle controllable cooling fan

Details Engine cooling system with blade angle controllable cooling fan Engine cooling system with blade angle controllable cooling fan

1994-10-17

1996-10-15

Denion, Thomas E.

Fluid reaction surfaces (i.e., impellers)

Interrelated controls for impeller and drive means

Pitch adjustment and throttle regulation with condition...

416 39, 123 4112, F01D 700

Patent

active

055648991

ABSTRACT:
An engine cooling system with a blade angle controllable cooling fan. The system has a water temperature sensor, a controller and a pitch actuator. The sensor senses a cooling water temperature and outputs a temperature signal. The controller generates a blade angle control signal on the basis of the temperature signal. The pitch actuator is placed in the interior of a hub of the cooling fan and adjusts a blade angle of the cooling fan in response to the blade angle control signal of the controller.

REFERENCES:
patent: 3467071 (1969-09-01), Elmer
patent: 3693575 (1972-09-01), Mades
patent: 5224446 (1993-07-01), Okita et al.
patent: 5299911 (1994-04-01), Moriya

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