High output engine cooling fan

Details High output engine cooling fan High output engine cooling fan

1994-07-05

1995-10-03

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Unsymmetrical impeller or dissimilar working members

416169A, 416175, 416189, 416223R, 416238, 416243, F04D 2938

Patent

active

054546958

ABSTRACT:
A high output fan assembly for cooling the radiator of a motor vehicle. The fan assembly comprises a shaft, first and second fans, and a motor. The first fan includes a plurality of first blades, each of which has an inner portion attached to the shaft, while an outer hub is attached to an outer portion of at least one of the first blades. The second fan includes a plurality of second blades, each of which has an inner portion attached to the outer hub. The motor is drivingly connected to the shaft to drive the first and second fans at the same number of revolutions per minute. The fan assembly is situated either for pulling or for pushing air across the radiator and an air conditioning condenser of the motor vehicle.

REFERENCES:
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patent: 2468723 (1949-04-01), Bartlett, Jr.
patent: 3169694 (1965-02-01), Borchers
patent: 3364860 (1968-01-01), Schmitt-Matzen
patent: 3635589 (1972-01-01), Kristiansen
patent: 3819294 (1974-06-01), Honnold et al.
patent: 4088352 (1978-05-01), Kling
patent: 4358245 (1982-11-01), Gray
patent: 4770002 (1988-09-01), Viegas et al.
patent: 5279503 (1994-01-01), Propst
patent: 5342173 (1994-08-01), Vera

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