Superconductive magnet having a thermal shield

Details Superconductive magnet having a thermal shield Superconductive magnet having a thermal shield

1996-05-31

1997-07-29

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Including cryostat

62 451, 62295, 335216, 505893, F25B 1900

Patent

active

056512562

ABSTRACT:
A superconductive magnet has a superconductive coil surrounded by a thermal shield surrounded by a vacuum enclosure. The thermal shield has one and preferably several flexible layers of thermally conductive material. A first flexible blanket of multi-layer thermal insulation surrounds the thermal shield within the vacuum enclosure, and a second such flexible blanket surrounds the superconductive coil within the thermal shield. A cryocooler coldhead has a first stage in thermal contact with each of the flexible layers of the thermal shield. At least most of the weight of the thermal shield is supported by the flexible blankets.

REFERENCES:
patent: 3904067 (1975-09-01), Runiyasu et al.
patent: 4777807 (1988-10-01), White
patent: 5265430 (1993-11-01), Chen et al.
patent: 5317879 (1994-06-01), Goldberg et al.
patent: 5396206 (1995-03-01), Herd et al.
patent: 5410287 (1995-04-01), Laskaris et al.
patent: 5416415 (1995-05-01), Dorri et al.
patent: 5442928 (1995-08-01), Laskaris et al.
patent: 5446433 (1995-08-01), Laskaris et al.

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