Passive conductor heater for zero boiloff superconducting magnet

Details Passive conductor heater for zero boiloff superconducting magnet Passive conductor heater for zero boiloff superconducting magnet

1997-04-14

1998-10-27

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

335300, H01F 100

Patent

active

058282807

ABSTRACT:
A passive non-electric pressure control system for a superconducting magnet cryogen vessel to maintain internal pressure above the outside pressure to avoid cryopumping utilizes a passive thermal conductor extending from the outside atmosphere into the vessel. The selective amount of penetration of the thermal conductor into the cryogen vessel controls the amount of heat transferred to the interior of the vessel and thus controls the internal pressure of the vessel.

REFERENCES:
patent: 4543794 (1985-10-01), Matsutani et al.
patent: 5018359 (1991-05-01), Horikawa et al.
patent: 5291168 (1994-03-01), Woods et al.
patent: 5657634 (1997-08-01), Woods

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