Switch for controlling current flow in superconductors

Details Switch for controlling current flow in superconductors Switch for controlling current flow in superconductors

1991-04-26

1993-04-20

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

335299, 338 32S, 505 1, 505879, H01F 100

Patent

active

052046508

ABSTRACT:
A superconductive switch is provided with a pair of superconductive routes which are wound around a cylindrical core in a bifilar fashion. One superconductive wire is constituted of a pair of superconductive routes. The superconductive routes are twisted around each other at a uniform pitch. By virtue of the twisting, electromagnetic force which may exerted in the superconductive wires cancel each other, so that the wire-movement of the superconductive wire is restrained. Accordingly, the electrical current flowing through the superconductive switch can be increased.

REFERENCES:
patent: 3732438 (1973-05-01), Wright
patent: 4586017 (1986-04-01), Laskaris et al.
patent: 4803456 (1989-02-01), Benesch
Abstract of Japanese Patent Publication JP-A-3 074 886.
Y. Jizo et al., "Development of High Electrical Resistance Persistent Current Switch for High Speed Energization System," Proc. Internt'l Conference on Maglev & Linear Drives, Vancouver, 1986, pp. 219-225.

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