Oil seals with mounting surface vent mechanisms

Details Oil seals with mounting surface vent mechanisms Oil seals with mounting surface vent mechanisms

1982-09-29

1983-12-20

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 83, 277 92, 384143, 3081871, F16C 3378

Patent

active

044213263

ABSTRACT:
The invention relates to a fluid seal unit which vents gas pressure from a sealed region. The seal includes vents extending axially along its inside or outside mounting surface diameter, preferably communicating with an annular manifold lying adjacent one face of the seal. The manifold in turn is sealed by a flexible diaphragm which provides a valve or vent control action in use. The mounting surface containing the vent may be a metal surface, forming a part of the seal casing or a rubber surface where the seal has a rubber covered mounting flange.

REFERENCES:
patent: 3276783 (1966-10-01), McKiniven
patent: 3432174 (1969-03-01), Teske et al.
patent: 3458207 (1969-07-01), Conti
patent: 3963248 (1976-06-01), Bainard
patent: 4325591 (1982-04-01), Otto
patent: 4327922 (1982-05-01), Walther

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