Annular fluid face seal with diaphragm

Details Annular fluid face seal with diaphragm Annular fluid face seal with diaphragm

1981-07-15

1983-06-07

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 81R, 277 88, 277 93SD, F16J 1536

Patent

active

043867812

ABSTRACT:
A face-seal arrangement for effecting a fluid seal between a housing and a shaft rotatable therein and comprising a sleeve-like diaphragm interposed between an annular shell and a sealing member and having compression spring means loading the diaphragm outwardly relative to the shell further includes a forged sealing ring having a profiled periphery thereto, a sealing surface being provided on the sealing member for engagement with a smooth sealing surface on the sealing ring. The arrangement is a unitized structure in that the sealing ring is held captive relative to the annular shell with the spring-loaded sealing member interposed therebetween and freely movable in the axial direction of the arrangement.

REFERENCES:
patent: 2894770 (1959-07-01), Payne
patent: 3042414 (1962-07-01), Tracy
patent: 3245692 (1966-04-01), Voitik
patent: 3419279 (1968-12-01), Tracy
patent: 3751046 (1973-08-01), Goluber et al.

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