Power switch

Details Power switch Power switch

1984-06-22

1985-12-24

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3308, H01H 3310

Patent

active

045608474

ABSTRACT:
An electric power switch including a stationary contact piece, a movable contact piece which is moved into and out of engagement with the stationary contact piece, and a commutation electrode arranged near the stationary contact piece and the movable contact piece to receive an arc which is formed when the movable contact piece is disengaged from the stationary contact piece. Current control is performed by moving the movable contact piece into and out of engagement with the stationary contact piece. A plurality of metal arc-extinguishing plates are arranged parallel to the surface of the stationary contact piece and at a predetermined distance from the commutation electrode, extending in the direction in which the movable contact piece is moved with respect to the stationary contact piece. A predetermined distance is maintained between the commutation electrode and the metal arc-extinguishing plates.

REFERENCES:
patent: 4080520 (1978-03-01), Muller
patent: 4229630 (1980-10-01), Wafer et al.
patent: 4237355 (1980-12-01), Fechant et al.
patent: 4295022 (1981-10-01), Robins
patent: 4387281 (1983-06-01), Haury et al.
patent: 4477704 (1984-10-01), Mori et al.

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