Slide ring seal with spring to radially bias in opposite radial

Details Slide ring seal with spring to radially bias in opposite radial Slide ring seal with spring to radially bias in opposite radial

1982-09-23

1984-03-13

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 90, 277 92, 277 93SD, F16J 1536

Patent

active

044363141

ABSTRACT:
A slide ring seal having a slide ring with a central axis and a circumferential face; a tubular sleeve member including a member overlapping at least a portion of the circumferential face of the slide ring and an adhering part integral with the bellows and extending axially from the slide ring along the central axis; and a compression spring approximately conical in configuration positioned within the tubular sleeve member having at least three spring turns positioned in different radial planes with respect to the central axis at least two of said spring turns having different diameters, and wherein the spring turns having the smallest and largest diameter cooperate with the adhering part and that portion of the bellows which overlaps the slide ring to radially bias the slide ring seal in opposite directions.

REFERENCES:
patent: Re23898 (1954-11-01), Haake
patent: 2884268 (1959-04-01), Amirault et al.
patent: 3578803 (1971-05-01), Huhn
patent: 4063741 (1977-12-01), Kerr

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