Integrally formed wiper and orifice for a pump plate of a viscou

Details Integrally formed wiper and orifice for a pump plate of a viscou Integrally formed wiper and orifice for a pump plate of a viscou

1989-08-25

1990-09-25

Lorence, Richard

192 clutches and power-stop control

Clutches

Fluent material

F16D 3502

Patent

active

049587099

ABSTRACT:
A fan clutch assembly for a vehicle includes a rotatable pump plate for separating a collecting chamber and a pumping chamber from a reservoir. The pump plate includes at least one wiper integrally formed with the pump plate and projecting from a pump plate surface into the pumping chamber. An aperture oriented in the direction of oncoming fluid in the pumping chamber is provided through the wiper to form an orifice for fluid to pass from the pumping chamber to the reservoir. A damming surface oriented toward the orifice is provided on the wiper for creating a pressure rise and enhancing the pump-out of fluid from the pumping chamber.

REFERENCES:
patent: 3055473 (1962-09-01), Oldberg et al.
patent: 3174600 (1965-03-01), Oldberg
patent: 3179221 (1965-04-01), Weir
patent: 4051936 (1977-10-01), Crisenbery et al.

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