Static seal device with plastically deformable metal for cryogen

Details Static seal device with plastically deformable metal for cryogen Static seal device with plastically deformable metal for cryogen

1983-03-14

1983-12-06

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

2771675, 277166, 277188R, 277189, 285348, 285422, 285DIG18, 285DIG24, F16J 1508, F16L 1902

Patent

active

044189184

ABSTRACT:
A face seal positioned between a first threaded member 12 and a second threaded member 10. The face seal provides effective sealing between rotatably secured members of a cryogenic refrigerator. The face seal comprises a seal space 32 formed by dual recess 18, 19 and 20, 21 on the first 12 and second 10 members. Disposed within the seal space is a triangular anti-rotation ring 24 and a packing member 22. The seal may be disposed upon a flange 48 in such a manner as to allow pressurized gas from a chamber 64 to pressurize the seal space 32. Further, the flange may be angled so as to apply a preset spring force upon the seal space. Alternatively, the anti-rotation ring may be a tubular member incorporating an angled flange to be positioned in a chamfer on one of the seal faces.

REFERENCES:
patent: 1678946 (1928-07-01), Joyce
patent: 1983977 (1934-12-01), Geiger
patent: 2075947 (1937-04-01), Kennedy
patent: 2365774 (1944-12-01), Pool
patent: 2960198 (1960-11-01), Keefe
patent: 3186743 (1965-06-01), Russell
patent: 3291510 (1966-12-01), Kody

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