Electric switching device

Details Electric switching device Electric switching device

1988-03-21

1989-07-11

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

361 14, 361137, H01H 3320

Patent

active

048474550

ABSTRACT:
The switching device has a fixed contact which cooperates with a movable contact secured to a movable contact carrier. The contacts are connected to runner rails for the arc that is created upon the contact opening. The runner rail connected to the movable contact consists of a movable commutating conductor which, during the initial stage of the contact opening, is at least approximately stationary, and then moves together with the movable contact to the open position of the switching device.

REFERENCES:
patent: 2816990 (1957-12-01), Geczheiser
patent: 2917607 (1959-12-01), Sterling
patent: 3032627 (1962-05-01), Ronk
patent: 3402274 (1968-09-01), Bould
patent: 3632930 (1972-01-01), Parini
patent: 4585912 (1986-04-01), Fischer et al.
patent: 4714974 (1987-12-01), Schreurs et al.

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