Hybrid cooling system for a superconducting magnet

Details Hybrid cooling system for a superconducting magnet Hybrid cooling system for a superconducting magnet

1994-08-05

1995-08-22

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Including cryostat

505892, F25B 1900

Patent

active

054429285

ABSTRACT:
A cooling system for a superconductive magnet. A dewar, located outside the magnet, includes a vacuum jacket hermetically connected to the magnet's vacuum enclosure and includes liquid helium located within the vacuum jacket. A thermal busbar is located within and spaced apart from the hermetically connected vacuum jacket and vacuum enclosure. The thermal busbar has a first end located within the vacuum jacket and a second end located within the vacuum enclosure and in thermal contact with the magnet's superconductive coil. A cryocooler coldhead, located outside the vacuum enclosure, has a housing located outside the vacuum jacket and has a cold stage extending from the housing to inside the vacuum jacket to re-liquefy any helium boiled-off in cooling the magnet 10.

REFERENCES:
patent: 3358472 (1967-12-01), Klipping
patent: 4782671 (1988-11-01), Breneman et al.
patent: 4796433 (1989-01-01), Bartlett
patent: 4986078 (1991-01-01), Laskaris
patent: 5111665 (1992-05-01), Ackermann
patent: 5222366 (1993-06-01), Herd et al.
patent: 5293752 (1994-03-01), Nagao et al.
patent: 5379600 (1995-01-01), Moritsu et al.

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