Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1982-12-09
1983-10-11
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277208, 277212C, 277236, 277 27, F16J 1508
Patent
active
044087713
ABSTRACT:
A high pressure sealing connection for sealing between connected coaxially aligned members (22, 10). The connection comprises a metallic sealing ring (40) having annular end surfaces (52, 53) adjacent each end and tapering outwardly therefrom. The ring at its largest external diameter is provided with a cylindrical surface (51) intermediate the frusto-conical sealing surfaces (52, 53). At its inner periphery, upper and lower flanges (61, 62) extend inwardly and perpendicularly to the axis of the ring. The coaxially aligned members (22, 10) are provided with recesses defined by opposed internal frusto-conical sealing surfaces (41, 42) at their adjoining ends, each tapering inwardly from the end of the member to an annular shoulder (43, 44) in the bore of the aligned member. The frusto-conical surfaces (41, 42) are of equal taper in the range of 5.degree. to 20.degree. and there is a mismatch of one-half degree to one and one half-degrees with the taper of the frusto-conical surfaces (52, 53) of the sealing ring when the ring is positioned in the recess. Drawing the coaxially aligned members together by suitable means (31) results in a compression of the ring and a sealing relationship between the ring and the aligned members which is enhanced by fluid pressure energization. A clearance gap between the upper and lower surfaces (56, 54) of the ring and the aligned members avoids axial compression of the ring (40). The internal flanges (61, 62) significantly increase the elastic zone of the ring to include the flanges themselves which continue to urge the seal ring in sealing engagement with the aligned members even after high pressure or temperatures have caused a deformation of the sealing ring or the aligned members.
REFERENCES:
patent: 2211983 (1940-08-01), Parris
patent: 2898000 (1959-08-01), Hanny
patent: 3323805 (1967-06-01), Legarra
patent: 3345078 (1967-10-01), Bialkowski
ACF Industries Incorporated
Marnock Marvin J.
Ward, Jr. Robert S.
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