Sealing bushing

Details Sealing bushing Sealing bushing

1979-02-22

1980-12-02

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277135, F16J 1542

Patent

active

042367212

ABSTRACT:
A sealing bushing for a member rotatable about a vertical axis and extending through a wall of a housing, which bushing comprises a sleeve fixedly connected to the wall of the housing and a sleeve fixedly connected to the shaft of the rotatable member. The last-named sleeve is concentrically received in the first-named sleeve. The bushing further comprises means for maintaining a sealing liquid in the clearance between the sleeves, which clearance opens at its top into a space in which a movable member is mounted that, when urged upwards by the sealing liquid, seals a clearance between the sleeve connected to the shaft and the housing.

REFERENCES:
patent: 2002918 (1935-05-01), Mendenhall et al.
patent: 2795195 (1957-06-01), Amblard et al.
patent: 3186345 (1965-06-01), Ivanoff

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