Lip seal device for water pumps

Details Lip seal device for water pumps Lip seal device for water pumps

1988-06-22

1990-05-01

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277208, 277235R, F16J 1532

Patent

active

049212605

ABSTRACT:
A lip seal device for use with an automobile water pump having a simple structure and which can be manufactured with a compact size and at a low cost. The lip seal device includes a housing, a rotary shaft rotatably supported in the housing, a case through which the rotary shaft passes, a sleeve fixed to the rotary shaft, and a sealing member formed of two sheets of lips, the outer end portions of which are attained to the case and the inner end portions of which are in sliding contact with the outside circumferential surface of the sleeve, whereby the generation of abnormal noise in the automobile engine is effectively controlled.

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patent: 4427205 (1984-01-01), Holzer et al.
patent: 4721314 (1988-01-01), Kanayama et al.
patent: 4733873 (1988-03-01), Takenaka et al.

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