Vacuum interrupter with bellows dampener

Details Vacuum interrupter with bellows dampener Vacuum interrupter with bellows dampener

1976-07-26

1978-03-14

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

040792170

ABSTRACT:
Apparatus for improving the life of metallic bellows used in a hermetically sealed device having a movable element therein such as, vacuum relays and circuit breakers. The convolutions of the metal bellows are filled by a silicone dielectric gel for an axial length including several such convolutions adjacent to the movable end of the bellows, thereby to damp axial mechanical vibrations and prevent excessive stress build-up in the bellows portions adjacent to the moveable end.

REFERENCES:
patent: 3539747 (1970-11-01), Robinson
patent: 3555222 (1971-01-01), Camacho

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