Vacuum circuit interrupter

Details Vacuum circuit interrupter Vacuum circuit interrupter

1980-03-21

1981-12-15

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

043061281

ABSTRACT:
The invention disclosed a vacuum type electric circuit interrupter comprising a highly evacuated envelope which includes at least one metallic tube made of the magnetic material or the ferromagnetic material, a pair of relatively movable contacts disposed within said envelope in a location and means for eliminating the magnetodistortion of said metallic tube. This means comprises a magnetic flux generating member for supplying the magnetic flux to said metallic tube. The noise generated from the vacuum circuit interrupter is, accordingly, eliminated by means of a magnetic field applying member for applying previously the magnetic field to said metallic tube or by increasing the magnetic reluctance of the metallic tube.

REFERENCES:
patent: 3372258 (1968-03-01), Porter
patent: 3920942 (1975-11-01), Yanagisawa

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