Annular fluid seals

Details Annular fluid seals Annular fluid seals

1981-07-15

1983-09-13

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 38, F16J 1534

Patent

active

044037805

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 has a compression spring of rectangular section material loading the diaphragm outwardly relative to the shell, the spring being disposed between radial flanges of the diaphragm. Each flange has a tapered rim at its axially outer face, the rims being engaged in seatings in the shell and sealing member respectively. The arrangement is a unitized structure in that the sealing ring is held captive relative to the shell with the spring loaded sealing member interposed therebetween and freely movable in the axial direction of the arrangement.

REFERENCES:
patent: 2509461 (1950-05-01), Ulseth
patent: 2613960 (1952-10-01), Nelson
patent: 2984505 (1961-05-01), Andresen et al.
patent: 3026114 (1962-03-01), Andresen
patent: 3147013 (1964-09-01), Tracy
patent: 3275333 (1966-09-01), Scott et al.
patent: 3355178 (1967-11-01), Hornaday

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