Excluder type seal with sliding friction reducing feature

Details Excluder type seal with sliding friction reducing feature Excluder type seal with sliding friction reducing feature

1989-06-07

1991-01-22

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 74, 277 95, 277133, 277134, 277152, F16J 1532, F16J 1534, F16J 1540

Patent

active

049865528

ABSTRACT:
A sealing assembly is adapted to be disposed between a stationary part and a rotary shaft in the stationary part so as to provide a seal in the gap between the stationary part and the rotary shaft. The sealing assembly has a slinger capable of rotating as a unit with the rotary shaft, and a rubber seal having a lip which makes a sliding contact with the slinger. The portion of the slinger contacted by the lip of the rubber seal is provided with apertures which allow a lubricating oil to flow into the region of the sliding contact between the lip of the seal rubber and the portion of the slinger.

REFERENCES:
patent: 2902300 (1959-09-01), Schultz
patent: 3070028 (1962-12-01), Loy et al.
patent: 3510138 (1970-05-01), Bowen
patent: 3703296 (1972-11-01), Malmstrom
patent: 4565378 (1986-01-01), Wehrfritz et al.
patent: 4669895 (1987-06-01), Colanzi et al.

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