Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1997-09-08
2000-02-01
Luebke, Renee S.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
505211, H01F 600
Patent
active
060208031
ABSTRACT:
In a high field superconducting magnet device, e.g., for NMR, a conventional low temperature superconducting solenoid type magnet is combined with an inserted superconducting magnet, which is fabricated from high temperature superconducting materials having very high critical currents. Both magnets operate with stability at the same low temperature in persistent modes after operating conditions are achieved. The flux field and superconducting currents in the inserted superconducting magnet are generated by flux trapping when the field of the low temperature superconducting solenoid type magnet is reduced. The field of the hybrid magnet assembly is the resultant of the respective fields of the two magnets.
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Hennessy Michael J.
Wheatley Roger
Barrera Raymond
Intermagnetics General Corporation
Luebke Renee S.
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