Sealing and wiper arrangement

Details Sealing and wiper arrangement Sealing and wiper arrangement

1988-01-29

1989-04-11

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, 277206A, F16J 1532

Patent

active

048199524

ABSTRACT:
In a sealing and wiper arrangement, a sealing ring (5), which may also serve a wiper function, and a stressing ring arrangement (6) are accommodated in a groove (4) of a first machine part (1). The stressing ring arrangement (6) is positioned between the sealing ring (5) and the base of the groove and urges the sealing ring against the surface of a second machine part (2) which is capable of a movement relative to the first machine part (1), in a direction perpendicular to the direction of the groove (4). The sealing ring (5) is in contact with a second machine part (2) by a wiper web (8) and an edge (11) provided on its high-pressure side. The edges (10, 11) provided on the sealing ring (5) are loaded independently of each other. This is achieved by giving the stressing ring arrangement (6) the form of two separate portions of a stressing ring. In one embodiment two completely separate stressing rings (61, 62) are provided. In another embodiment a Quad-ring (40) is provided.

REFERENCES:
patent: 2873132 (1959-02-01), Tanner
patent: 3418001 (1968-12-01), Rentschler et al.
patent: 3663024 (1972-05-01), Traub
patent: 4577874 (1986-03-01), Zitting
patent: 4709932 (1987-12-01), Edlund et al.

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