Differential temperature seal

Details Differential temperature seal Differential temperature seal

1988-09-15

1989-09-12

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 22, 220901, F16J 1502

Patent

active

048653314

ABSTRACT:
A simple, yet fluid tight seal for a cryogenic enclosure. The seal between two portions of the enclosure becomes tighter as the temperature is lowered because both portions contract against a third member which does not contract with temperature to the same degree. Further, this contraction is elastic and therefore the enclosure may be disassembled and reassembled numerous times without damage to the seal. This is particularly advantageous for sealing lids or containers for cryogenic electronic components.

REFERENCES:
patent: 3056615 (1962-10-01), Breitenstein
patent: 3269874 (1966-08-01), Moeller
patent: 3361285 (1968-01-01), Alleume
patent: 3361430 (1968-01-01), Reid
patent: 3367492 (1968-02-01), Pratt et al.
patent: 3578541 (1971-05-01), Tariel
patent: 3630533 (1971-12-01), Butler et al.
patent: 3649738 (1972-03-01), Anderson et al.
patent: 3682346 (1972-08-01), Sterrett
patent: 3912107 (1975-10-01), Baumann
patent: 4050607 (1977-09-01), Smith
patent: 4079968 (1978-03-01), Wilkins
patent: 4183042 (1980-01-01), Novak et al.
patent: 4355827 (1982-10-01), Ehret
patent: 4461398 (1984-07-01), Argy
patent: 4658847 (1987-04-01), McCrone
"Bimettallic Seal Solves Cryogenic Sealing Problems", by William A. Prince, (1964) Hydraulics & Pneumatics, Nov. 1964.

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