Superconducting magnets

Details Superconducting magnets Superconducting magnets

1996-11-07

1999-03-23

Capossela, Ronald

Refrigeration

Storage of solidified or liquified gas

Including cryostat

335216, F25B 1900

Patent

active

058844899

ABSTRACT:
A super-conducting electro-magnet for use in an MRI system comprising a helium vessel within which magnet windings are positioned, a vacuum chamber within which the helium vessel is contained, at least one thermal shield positioned between the helium vessel and the vacuum chamber in spaced apart relationship, a service turret including a refrigerator thermally coupled to the said at least one shield for cooling purposes, a tube which extends through the turret from the windings to facilitate filling, and conductors which extend through the turret from the windings to facilitate current injection to the windings and to provide a vent for the helium gas.

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IEEE "Transactions on Magnetics", vol. 24, No. 2, Mar. 1988.
IEEE "Transactions on Magnetics", vol. 21, No. 2, Mar. 1985.
Hitachi Review, Compact Superconducting Magnets for Magnetic Resonance Imaging, vol. 39, 1990 pp. 31-34.

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