Vacuum circuit interrupter with auxiliary contact for plural arc

Details Vacuum circuit interrupter with auxiliary contact for plural arc Vacuum circuit interrupter with auxiliary contact for plural arc

1980-11-25

1983-05-31

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

043862497

ABSTRACT:
A vacuum circuit interrupter with primary cup shaped arcing contacts with integral means for arc movement. An auxiliary, generally cylindrical arc contact is spaced about the primary contacts by a dimension less than the spacing between the opened primary contacts. The auxiliary contact includes means for moving the auxiliary path arcs which are formed between the auxiliary contact and the primary contacts with extinguishment of the arc between the primary contacts.

REFERENCES:
patent: 2976382 (1961-03-01), Lee
patent: 3014109 (1961-12-01), Burger
patent: 3185797 (1965-05-01), Porter
patent: 3185798 (1965-05-01), Titus
patent: 3185799 (1965-05-01), Greenwood et al.
patent: 3372258 (1968-05-01), Porter
patent: 3471733 (1969-10-01), Rich
patent: 3509404 (1970-04-01), Rich
patent: 3612795 (1970-10-01), Emmerich
patent: 3836740 (1974-09-01), Hundstad

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