Vacuum-type circuit interrupter

Details Vacuum-type circuit interrupter Vacuum-type circuit interrupter

1977-06-02

1980-07-01

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

042107903

ABSTRACT:
A pair of relatively movable opposed electrodes for use in a vacuum-type circuit interrupter, each electrode comprising an annular contact-making portion provided at its outer peripheral area, a recessed portion surrounded by this annular contact-making portion, first self-acting magnetically-driving means for driving an arc produced on the surface of the annular contact-making portion to impel the same in a circumferential direction, and second self-acting magnetically driving means for driving an arc produced on the surface of the recessed portion to impel the same toward and onto the surface of the contact-making portion.

REFERENCES:
patent: 3764764 (1973-10-01), Takasuna et al.
patent: 3980850 (1976-09-01), Kimblin
patent: 4004117 (1977-01-01), Amsler

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