Sealed dewar with separate circulation loop for external cooling

Details Sealed dewar with separate circulation loop for external cooling Sealed dewar with separate circulation loop for external cooling

1993-07-01

1995-04-04

Kilner, Christopher

Refrigeration

Storage of solidified or liquified gas

Including cryostat

62434, 104285, 505897, F25B 1900

Patent

active

054026482

ABSTRACT:
Apparatus and methods for low pressure cooling of superconducting magnets, for example, on a magnetic levitated train, through a separate circulation loop from a sealed, unvented thermal reservoir to provide a lightweight cooling system. In a second embodiment, forced flow cooling is directed to the superconducting magnets and shields through a separate circulation loop from a sealed thermal reservoir to further reduce the weight of the cooling system.

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S. Asstalos, W. Baldus, R. Kneuer, and A. Stephan; "On-board Cryogenic System . . . ", 5th Int. Cry. Eng. Conf.; (Kyoto) May 1974.
Y. Ishizaki et al., "D8 Sealed Cryostat System for Magnetically Levitated Vehicles", Fifth Int'l. Cryogenic Eng. Conf., 1974, pp. 102-105.

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