Electric high-voltage circuit breaker

Details Electric high-voltage circuit breaker Electric high-voltage circuit breaker

1994-06-03

1996-07-09

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Air-current blowout

218 78, 218 84, H01H 3370, H01H 3304

Patent

active

055346731

ABSTRACT:
A high-voltage circuit breaker has a metallic housing. The contact member assembly is held by insulating supports, and has a fixed contact member and a movable contact member. The movable contact member is capable of being driven via an operating lever by means of a drive rod. The drive rod extends through one of the insulating supports. To seal the insulating support from hot quenching gases when the switch is actuated, an insulating disk sealingly surrounds the drive rod and is float-mounted on the insulating support. This allows for compensation of radial movements of the drive rod.

REFERENCES:
patent: 3846601 (1974-11-01), Leeds
patent: 3943314 (1976-03-01), Frink
patent: 4041263 (1977-08-01), Noeske
patent: 4810840 (1989-05-01), Okuno

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