Circuit interrupter

Details Circuit interrupter Circuit interrupter

1984-04-27

1985-12-17

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3304

Patent

active

045594236

ABSTRACT:
A circuit interrupter which comprises, in a compartment defined in an electrically insulating housing, a pair of separable contacts defining, when separated, an arcing region therebetween, and an operating mechanism, including a tripping unit and an operating handle, for opening and closing the separable contacts. The housing which includes an electrically insulating bottom wall has a gas exhaust passage having an inlet opening in the inner surface of the housing. The inlet of the gas exhaust passage is located in the bottom wall at a position effective for exhausting an arced gas generated in the arcing region without contacting the operating mechanism.

REFERENCES:
patent: 2292158 (1942-08-01), Prince
patent: 2988622 (1961-06-01), Petermichl
patent: 3506799 (1970-04-01), Ellsworth et al.
patent: 3617667 (1971-11-01), Kirschner et al.
patent: 4011420 (1977-03-01), Heft
patent: 4430631 (1984-02-01), Forsell et al.

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