Bi-directional hydrodynamic slitted seal

Details Bi-directional hydrodynamic slitted seal Bi-directional hydrodynamic slitted seal

1983-05-16

1984-05-29

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 1, 277152, F16J 1532, F16J 1554

Patent

active

044510500

ABSTRACT:
A polytetrafluoroethylene seal with intersecting arcuate slitted grooves to effect bi-directional hydrodynamic pumping of oil due to rotation of a shaft about which the seal is disposed.

REFERENCES:
patent: 2606779 (1952-08-01), Jagger
patent: 3620540 (1971-11-01), Jagger et al.
patent: 3929341 (1975-12-01), Clark
patent: 4118856 (1978-10-01), Bainard et al.
patent: 4132421 (1979-01-01), Corsi et al.
The Journal of Teflon, "Advances in Radial Seal Lips of Teflon," Jan.-Feb. 1970, vol. 11, No. 1, pp. 2-4.

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