Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1991-07-17
1994-07-12
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
335301, 324319, H01F 722
Patent
active
053292669
ABSTRACT:
An active shield magnet has a plurality of screening coils which each have a small number of turns in comparison with the number of turns of the main magnet coil assemblies and which are connected in series in a closed loop to reduce the effect of disturbing influences in a working volume of the magnet.
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Patent Abstracts of Japan, vol. 9, No. 305 (E-363) (2028), Dec. 3, 1985.
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Davies Francis
Soeldner Leonhard
Barrera Raymond
Donovan Lincoln
Oxford Magnet Technology Ltd.
Siemens Aktiengesellschaft
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