Vapor shield support ring for a vacuum interrupter

Details Vapor shield support ring for a vacuum interrupter Vapor shield support ring for a vacuum interrupter

1978-03-08

1980-07-22

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 902, C03B 1904, C03C 2700, H01H 3300

Patent

active

042141389

ABSTRACT:
A vacuum shield support ring for a high voltage vacuum interrupter contains a plurality of quasi rectangular openings equidistantly spaced around the ring to allow for the upward flow of glass during the vacuum interrupter envelope forming process. Complete embedment of the openings substantially reduces the occurrence of ionized particles in the finished vacuum interrupter.

REFERENCES:
patent: 2745981 (1956-05-01), Sanabria et al.
patent: 3048681 (1962-08-01), Polinko, Jr.
patent: 3376186 (1968-04-01), Douillard et al.
patent: 3783094 (1974-01-01), Baum
patent: 4009999 (1977-01-01), Lucek et al.
patent: 4063991 (1977-12-01), Farrall et al.
patent: 4158911 (1979-06-01), Polinko, Jr. et al.

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