Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1979-07-26
1983-03-29
Little, Willis
Electricity: circuit makers and breakers
Electric switch details
Contact
200289, H01H 102
Patent
active
043784798
ABSTRACT:
A permanent current switch for short circuiting a superconducting magnet with at least two contacts, in which the contact surface of one of the contacts has the shape of a calotte and the contact force (F) is at least 500 N, permitting the use of contacts made exclusively of normally conducting material and resulting in a simple, operationally reliable mechanism.
REFERENCES:
patent: 2400003 (1946-05-01), Hensel et al.
patent: 3170054 (1965-02-01), Lawrence et al.
patent: 3548135 (1970-12-01), Wood
patent: 3597562 (1971-08-01), Turnbull
patent: 3852544 (1974-12-01), Grunert et al.
patent: 4021633 (1977-05-01), Kuwabara et al.
patent: 4024363 (1977-05-01), Marsing et al.
Little Willis
Siemens Aktiengesellschaft
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