Gas circuit breaker

Details Gas circuit breaker Gas circuit breaker

1996-07-23

1998-03-03

Gellner, Michael L.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Air-current blowout

218 68, H01H 3370

Patent

active

057238391

ABSTRACT:
A gas circuit breaker having a single supporting structure easy to be inspected. The gas circuit breaker includes: a grounded tank in which a gas is enclosed; a fixed contact contained in the tank; a moving contact contained in the tank and electrically connected to the fixed contact; an insulating grounded support for supporting the moving contact in a state that the moving contact is insulated from the tank; an inter-contact insulating tube for supporting the fixed contact in such a manner that the fixed contact is insulated from the moving contact; an in-bushing conductor connected to the side of the fixed contact; an in-bushing conductor connected to the side of the moving contact; and a maintenance cover removably provided on a side end portion of the tank. The gas circuit breaker further includes a fixed contact side conductor mounted on the fixed contact; and a connecting conductor, mounted on the fixed contact side conductor, for slidably supporting the in-bushing conductor, wherein a hole which allows the connecting conductor to be moved in the axial direction of the in-bushing conductor is formed in the fixed contact side conductor.

REFERENCES:
patent: 3745284 (1973-07-01), Hosokawa
patent: 4236053 (1980-11-01), Sasaki et al.
patent: 4516006 (1985-05-01), Kobayashi et al.
patent: 4749831 (1988-06-01), Hosomi et al.
patent: 5243160 (1993-09-01), Ohno et al.

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