Fluid seal assembly with segmented sub-assembly

Details Fluid seal assembly with segmented sub-assembly Fluid seal assembly with segmented sub-assembly

1985-11-01

1987-04-14

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 84, 277125, 277198, F16J 1538

Patent

active

046572643

ABSTRACT:
A pair of beveled-face load rings between which is confined a seal ring sub assembly formed of segmented, polytetrafluoroethylene seals. The seals too have beveled faces which slidably engage the beveled faces of the load rings and, thereby, are prevented from manifesting undue wear and extrusion. Three seal segments of the seal ring assembly form an inner seal which is slidably supported on a land formed on a three-segment outer seal of the seal ring assembly. A circumferential spring urges the segments of the inner and outer seals inwardly into sealing engagement with a to-be-sealed shaft or the like. Locating pins fixed in, and extending from, the outer seal nestably engage the inner seal segments and restrain the latter against unwarranted circumferential displacement.

REFERENCES:
patent: 4556223 (1985-12-01), Van Loon et al.

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