Shaft sealing device with floating seal member

Details Shaft sealing device with floating seal member Shaft sealing device with floating seal member

1986-03-26

1987-02-10

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277176, F16J 1526

Patent

active

046418423

ABSTRACT:
A shaft sealing device comprises a rotation shaft passing through a casing. A rotation ring mechanism is affixed to the rotation shaft within the casing, with a mechanical seal member located within the casing, with a mechanical seal member located within the casing and cooperating with one side of the rotation ring mechansim. A non-rotatable, floating seal member is also located in the casing, and is liquid-tightly fitted onto the outer circumference of the rotation ring mechanism. One side of the floating seal member contacts an inner surface of the casing, so that a sealing chamber for lubrication liquid is formed within the casing, by the rotation ring mechanism, mechanical and floating seal members.

REFERENCES:
patent: 2883212 (1959-04-01), Laser
patent: 3443815 (1969-05-01), Voitik et al.
patent: 4451048 (1984-05-01), Pick
patent: 4489951 (1984-12-01), Kataoka et al.

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