Electromagnetically actuated high DC current switch

Details Electromagnetically actuated high DC current switch Electromagnetically actuated high DC current switch

1985-11-27

1987-03-17

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Conductor arrangements or structure

307143, 89 8, 200150C, 200148R, 200144R, 124 3, F41F 102

Patent

active

046510249

ABSTRACT:
A high DC current switch includes a pair of annular, conductive rails with a pair of brushes mounted for rotary movement therebetween. DC current is conducted by the rails to and from the brushes in directions to electromotively accelerate the brushes into a switching cycle. The rails incorporate a switching gap through which the brushes move. Beyond this switching gap, the rails are split into inner and outer arcuate sections into which current is commutated by the brushes. The directions of commutated current flow to and from the brushes is now such as to decelerate the brushes to a stop.

REFERENCES:
patent: 2644877 (1953-07-01), Guillaume
patent: 3708643 (1973-01-01), Erickson
patent: 3947649 (1976-03-01), Hertz
patent: 4125750 (1978-11-01), Cochran
patent: 4369692 (1983-01-01), Kemeny
patent: 4426562 (1984-01-01), Kemeny
patent: 4433607 (1984-02-01), Kemeny
patent: 4528433 (1985-07-01), Riggins et al.

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