Cryogenic precooler and cryocooler cold head interface receptacl

Details Cryogenic precooler and cryocooler cold head interface receptacl Cryogenic precooler and cryocooler cold head interface receptacl

1989-04-10

1990-05-22

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Including cryostat

174 154, 250352, 505892, F25B 1900

Patent

active

049266470

ABSTRACT:
A superconductive magnet coolable with a two stage cryocooler is provided. The superconductive magnet includes a cryostat containing a magnet winding, a thermal radiation shield surrounding the magnet winding and spaced away therefrom. The cryostat defines an aperture in which a cryocooler cold head interface receptacle is situated. The interface receptacle has a first and second heat station for connecting in a heat flow relationship with the first and second heat stations of the crycooler, respectively. A precooler has first and second stage heat exchangers connected in a heat flow relationship with the first and second heat stations of said interface, respectively. The interface has an inlet and outlet port for supplying and removing cryogens. Piping means fabricated from heat insulating material connect the first and second heat exchangers in a series flow relationship between the inlet and outlet ports.

REFERENCES:
patent: 4692560 (1987-09-01), Hotta et al.
patent: 4721934 (1988-01-01), Stacy
patent: 4841268 (1989-06-01), Burnett et al.

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