Class 218/68 - Sealed chamber

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter wherein the air-current blowout interrupter
No. of applications: 3
Last issue date: 07/02/2009

Application No.	Application Title	Issue Date
20090166332	Gas-insulated switchgear apparatus and gas filter device A gas tank is hermetically filled with an insulating gas. A gas filling opening is provided on the gas tank, which includes a flange at its end. A gas filter device is fixed to the gas flange of the gas filling opening. The gas filter device includes a gas filter formed...	07/02/2009
20080257865	Gas circuit breaker 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. T...	10/23/2008
20080135522	High-voltage switch with a metal container filled with insulating gas A high-voltage switch has a metal container filled with insulating gas, and a quenching chamber installed in the container. The quenching chamber contains a housing which is aligned along an axis, an arcing contact arrangement which is held in the housing, an exhaust vo...	06/12/2008

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