Electrode for a vacuum breaker

Details Electrode for a vacuum breaker Electrode for a vacuum breaker

1991-05-13

1992-04-07

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

051030691

ABSTRACT:
An electrode for a vacuum breaker includes a central flat part having a contact function, peripheral tapered parts having a current-breaking function, and spiral slots formed in the electrode that are inclined with respect to the radial direction. The maximum and minimum widths of the spiral slot L (mm) are given by the formulae:

REFERENCES:
patent: 3182156 (1965-05-01), Lee et al.
patent: 3280286 (1966-10-01), Ranheim
patent: 3683139 (1972-08-01), Ludwig
patent: 4324960 (1982-04-01), Aoki et al.
patent: 4806714 (1989-02-01), Aoki
patent: 4999463 (1991-03-01), Yin
European Search Report; 8-1990.

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