Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1995-08-01
1997-09-16
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
335199, 324318, H01F 100
Patent
active
056685157
ABSTRACT:
To achieve a superconductive magnet apparatus which can suppress the consumption of liquid helium even if a quench phenomenon occurs in the superconductive coil to prevent a reduction in its cooling ability. The superconductive magnet apparatus comprises a superconductive coil 3 which is immersed in liquid helium 2 and stored in the helium container 1, an induction coil 12 which is magnetically coupled to the superconductive coil 3 and thermally insulated from the helium container 1 from each other, and a switching element 14 which forms a closed circuit 13 between both ends of the induction coil 12 when it is made active.
REFERENCES:
patent: 4390840 (1983-06-01), Ganssen et al.
patent: 4788502 (1988-11-01), Keller et al.
Donovan Lincoln
Mitsubishi Denki & Kabushiki Kaisha
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