Gas circuit breaker

Details Gas circuit breaker Gas circuit breaker

2007-10-02

2011-12-06

Leubke, Renee S (Department: 2833)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Housing structure

C218S152000, C218S014000

Reexamination Certificate

active

08071905

ABSTRACT:
A gas circuit breaker includes a grounded tank corresponding to each one of the plurality of phases, a bushing, an upper housing, and a lower housing, those mounted on a base that is supported by a frame. The grounded tank and the upper housing are located on a plane. The lower housing is connected to the grounded tank with a connecting unit such that the lower housing can be moved from a first position for operation lower than the plane to a second position for transportation substantially on the plane.

REFERENCES:
patent: 5777843 (1998-07-01), Younce
patent: 61-135437 (1986-08-01), None
patent: 61-151231 (1986-09-01), None
patent: 08-256409 (1996-10-01), None
patent: 2000-067713 (2000-03-01), None
patent: 2000-166031 (2000-06-01), None
patent: 2003-009318 (2003-01-01), None
Japanese Decision of a Patent Grant dated Aug. 30, 2011 issued in the corresponding Japanese Patent Application No. 2007-089132 and English translation.

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