Unitary end closure and seal shield member for vacuum interrupte

Details Unitary end closure and seal shield member for vacuum interrupte Unitary end closure and seal shield member for vacuum interrupte

1981-01-23

1984-10-23

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

044783477

ABSTRACT:
An improved vacuum interrupter structure with a unitary end closure and end seal shield member which is sealed to the end of the generally cylindrical body of the interrupter. This member performs the function of sealing the generally cylindrical body at the opposed ends, and also to shield the seal area from hot material which may evolve from the contacts during contact opening. The resultant end shield structure provides an improved breakdown voltage characteristic for the interrupter.

REFERENCES:
patent: 2323702 (1943-07-01), Berkey
patent: 3280286 (1966-10-01), Ranheim
patent: 3430015 (1969-02-01), Crouch et al.
patent: 3440376 (1969-04-01), Rabinowitz
patent: 3541284 (1970-11-01), Wachta
patent: 3656225 (1972-04-01), Bereza
patent: 3657502 (1972-04-01), Cherry et al.
patent: 3920942 (1975-11-01), Yanaglsawa
patent: 4229631 (1980-10-01), Arakawa et al.
patent: 4394554 (1983-07-01), Warabi et al.

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