Dual-ring seal with temperature compensation

Details Dual-ring seal with temperature compensation Dual-ring seal with temperature compensation

1981-06-18

1982-05-18

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 53, 277 54, 277137, 277174, 277178, 277183, 277198, 277208, F16J 1516, F16J 1544

Patent

active

043301339

ABSTRACT:
A seal arrangement suitable for sealing between two coaxially mounted, axially restrained, radially spaced apart and relatively rotatable members comprises two concentric, ring-shaped seal elements having adjacent sealing faces. The seal elements are mounted on the respective members by a spline and groove arrangement which permits radial growth or shrinkage of the relatively rotatable members due to their thermal expansion or contraction without such growth or shrinkage being transferred to the seal elements. The arrangement insures that the gap between the sealing faces of the seal elements remains substantially constant during thermal variations.

REFERENCES:
patent: 957286 (1910-05-01), Wilson
patent: 957887 (1910-05-01), Junggren
patent: 2998991 (1961-09-01), Spencer
patent: 3082011 (1963-03-01), Kroekel
patent: 3186724 (1965-06-01), Wheatley
patent: 3273906 (1966-09-01), Pennington
patent: 3392910 (1968-07-01), Tanzberger
patent: 4120506 (1978-10-01), Perkins

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