Support for cryostat penetration tube

Details Support for cryostat penetration tube Support for cryostat penetration tube

1984-10-15

1985-07-02

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

62297, 220 85S, 285 47, 285DIG5, F25B 1900

Patent

active

045260150

ABSTRACT:
Penetration tubes extending between inner and outer walls of a cryostat necessarily comprise thin walled structures to minimize thermal conduction. However, in cryostat structures in which the inner vessel is capable of undergoing the relative motion with respect to the outer vessel, particularly during transport and thermal contraction, a means of accommodating this motion must be found which does not impose significant stresses on the thin walled penetration tube. Accordingly, the present invention provides a bearing and bellows arrangement which accommodates axial motion, thermal expansion and contraction and rocking motions of the inner cryostat, while at the same time ensuring the maintenance of vacuum conditions between the cryostat walls.

REFERENCES:
patent: 3066222 (1962-11-01), Poorman et al.
patent: 3261180 (1966-07-01), Porter et al.
patent: 3423955 (1969-01-01), Wright
patent: 3483709 (1969-12-01), Baicker et al.
patent: 4228662 (1980-10-01), Klipping

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