Toggle-action face seal for relatively rotatable members

Details Toggle-action face seal for relatively rotatable members Toggle-action face seal for relatively rotatable members

1981-05-06

1982-09-07

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 42, 277 82, 277 84, 277 90, F16J 1536

Patent

active

043480306

ABSTRACT:
A face seal, such as for a water pump in the cooling system of an internal combustion engine, comprises a rigid sealing ring carried by the free end of a moulded elastomeric sleeve on a mounting cup, the sleeve having at about its mid-length a circumferential flexible junction, defined by a surrounding groove with a contractile spring seated therein, and the sleeve being geometrically equivalent to an axially opposed pair of frusto-conical parts forming a toggle system which, under the pressure of sealed fluid, exerts a balancing axial bearing load on the sealing ring.

REFERENCES:
patent: 2722439 (1955-11-01), Brummer et al.

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