Rotary fluid seals

Details Rotary fluid seals Rotary fluid seals

1984-01-12

1984-07-31

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 35, 277 37, F16J 1534

Patent

active

044626002

ABSTRACT:
A rotary fluid seal having a flexible sealing ring which floats between relatively rotatable counterface members and has contact faces which bear on the counterfaces under the influence of centrifugal force, such as forms the subject of U.S. Pat. No. 4,348,031, is provided with a rigid spring-retaining ring which permits but limits centrifugal expansion of a spring loading the contact faces against the counterfaces.

REFERENCES:
patent: 2614869 (1952-10-01), Smith
patent: 2884267 (1959-04-01), Kosatka
patent: 3069175 (1962-12-01), Skinner
patent: 3368819 (1968-02-01), Otto
patent: 3394939 (1968-07-01), Mastro
patent: 4348031 (1982-09-01), Johnston
patent: 4432557 (1984-02-01), Drucktenhergst

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