Floating seal

Details Floating seal Floating seal

1978-12-08

1979-12-11

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 83, 277173, 277181, F16J 1554, F16J 1540

Patent

active

041779975

ABSTRACT:
A high pressure floating ring assembly includes a floating ring having a sealing surface thereon closely fit with respect to the outer diameter of a cylindrical shaft and wherein relative motion occurs between the inside diameter of the floating ring and the outside diameter of the shaft. Passages are provided to produce a high differential pressure across the sides of the seal and a side thrust reaction pin is located in each of a plurality of circumferentially spaced openings formed in the seal housing and in the body of the seal thereby to define a close tolerance seal to housing gap which permits the floating ring to readily reposition while the shaft is radially shifted with respect to the seal either by misalignment or eccentric shaft motion.

REFERENCES:
patent: 2971783 (1961-02-01), Laser
patent: 3035841 (1962-05-01), Riester
patent: 3154309 (1964-10-01), Voitik
patent: 3179422 (1965-04-01), Phillips
patent: 3190661 (1965-06-01), Wahl et al.
patent: 3334905 (1967-08-01), Horwitz et al.
patent: 3356290 (1967-12-01), Lehmann
patent: 3617068 (1971-11-01), Sprenger

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