Magnetic blow-out arc extinguishing device

Details Magnetic blow-out arc extinguishing device Magnetic blow-out arc extinguishing device

1977-01-10

1979-05-08

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3366

Patent

active

041538277

ABSTRACT:
An arc-extinguishing device comprising two pairs of contacts having ring-shaped paths and connected electrically in series. A magnetic blow-out coil connected in parallel at one pair of contacts produces a radial magnetic field which causes rotation of the arcs along the ring-shaped paths.

REFERENCES:
patent: 1839107 (1931-12-01), Mahoney
patent: 2972032 (1961-02-01), Persson
patent: 3017480 (1962-01-01), Klaassen
patent: 3038980 (1962-06-01), Lee
patent: 3814882 (1974-06-01), Harrold

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