Water pump face seal assembly

Details Water pump face seal assembly Water pump face seal assembly

1988-10-31

1990-04-17

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 89, 277 93SD, 277136, 277160, F16J 536

Patent

active

049173898

ABSTRACT:
A water pump face seal assembly uses a wave spring stamped from flat stock with drive tabs which, besides providing contact force and wear take up, also serves to maintain a square, concentric contact interface and to transfer torque with almost no lost motion, isolating a joint between an elastomer seal and a seal casing from twisting stress.

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patent: 3985478 (1976-10-01), Weinand
patent: 4451049 (1984-05-01), Charhut

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