Circuit breaker of spiral arc type

Details Circuit breaker of spiral arc type Circuit breaker of spiral arc type

1984-05-08

1985-12-24

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3318

Patent

active

045608482

ABSTRACT:
A circuit breaker comprising a cylindrical fixed contact, a cylindrical movable contact and a magnetic field producing means which renders the arc current spiral when created in a space between the fixed and movable contacts in the open-contact state, wherein the magnetic field producing means produces the magnetic field having a component which traverses the intercontacts space in the direction perpendicular to the axis of the space.

REFERENCES:
patent: 2725446 (1955-11-01), Slepian
patent: 3082307 (1963-03-01), Greenwood et al.
patent: 3082308 (1963-03-01), Baker
patent: 3892461 (1975-07-01), Keto
Commutation-Type DC Interruption in the Spiral Arc System--Mizuno et al., Periodical Dissertations, vol. 101, No. 10, pp. 611-618, The Institute of Electrical Engineers of Japan.
Action of Arc and Interrupting Characteristics in a Rotary Arc-Type SF.sub.6 Gas Breaker--Fujiwara, Periodical Dissertations, vol. 101, No. 4, pp. 181-188, The Institute of Electrical Engineers of Japan.

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