Vacuum circuit interrupter

Details Vacuum circuit interrupter Vacuum circuit interrupter

1987-10-14

1988-07-26

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

047602236

ABSTRACT:
A circuit interrupter comprising: (a) a pair of electrodes, relatively movable from a position of engagement to a position of disengagement to establish a circuit interrupting arc between the electrodes, at least one of the electrodes having: a contact plate made of low surge material including silver alloy facing the other electrode; a block made of silver, electrically connected to the contact plate and facing the other electrode; and an arc plate of electroconductive material with silver plating, electrically connected to the arc plate and facing the other electrode; and (b) a vessel for enclosing the electrodes and keeping the atmosphere around the electrodes in vacuum.

REFERENCES:
patent: 3576960 (1971-05-01), Kurtz
patent: 3770497 (1973-11-01), Hassler et al.
patent: 4367382 (1983-01-01), Suzuki et al.
patent: 4546222 (1985-10-01), Watanabe

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