Pressure control system for zero boiloff superconducting magnet

Details Pressure control system for zero boiloff superconducting magnet Pressure control system for zero boiloff superconducting magnet

1998-02-18

1999-08-10

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

62 471, 505892, H01F 100

Patent

active

059364998

ABSTRACT:
A pressure control system for the cryogen pressure vessel of a helium cooled superconducting magnet assembly including a helium gas recondenser to return liquid helium to the helium supply including a temperature sensor proximate to the recondenser to provide a control signal for maintaining a preselected temperature of said recondenser in order to maintain a preselected pressure within said helium vessel above the pressure outside the vessel and further including an indication of the thermal conductance across the interface between the recondenser and the cryocooler which cools the recondenser.

REFERENCES:
patent: 4484458 (1984-11-01), Longsworth
patent: 4543794 (1985-10-01), Matsutani et al.
patent: 4796433 (1989-01-01), Barlett
patent: 5150578 (1992-09-01), Oota et al.
patent: 5398515 (1995-03-01), Lak
patent: 5613367 (1997-03-01), Chen
patent: 5735129 (1998-04-01), Ienaga

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