Shaft seal, intended for use at high temperatures

Details Shaft seal, intended for use at high temperatures Shaft seal, intended for use at high temperatures

1979-08-17

1981-04-07

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 85, 277 92, 277 95, 277152, 277186, 277189, F16D 6500, F16J 1532, F16J 1538

Patent

active

042601657

ABSTRACT:
A shaft seal intended to function at high temperatures with an elastic sealing ring carried by a retainer ring of e.g. stainless steel which has an L-shaped section. From the axial portion of the retainer ring, radially inwardly directed supporting tongues extend, providing a small contact surface against the shaft element which supports the seal. The supporting tongues are pressed against a radial supporting surface on the shaft element by an elastic ring between the retainer ring and an opposing supporting surface on the shaft element. These supporting surfaces may be the two radial end surfaces of a peripheral groove in the shaft element.

REFERENCES:
patent: 2898132 (1959-08-01), Guerin
patent: 3279803 (1966-10-01), Sekulich
patent: 3493645 (1970-02-01), Sanderson et al.

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