Superconducting magnet device

Refrigeration – Storage of solidified or liquified gas – Storing solidified gas

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62514R, F17C 1300

Patent

active

045437947

ABSTRACT:
A cold insulation vessel comprises an inner chamber in which cryogen is enclosed, an outer chamber to enclose this inner chamber and a shield member against heat radiation which is provided between the inner chamber and the outer chamber. This vessel is provided to hold a superconducting coil which is enclosed in the inner chamber at a very low temperature. A power lead is provided to supply an exciting current to this superconducting coil. A recondenser is provided to recondense the evaporated gas of the cryogen in the inner chamber. The small refrigerator means has a plurality of refrigeration stages which are directly coupled to the power lead and the recondenser.

REFERENCES:
patent: 3991586 (1976-11-01), Acord
patent: 4277949 (1981-07-01), Longsworth
patent: 4369636 (1983-01-01), Purcell et al.
patent: 4432216 (1984-02-01), Matsuda et al.

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