Class 218/115 - Plural series connected

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter in which two or more pressure generating
No. of patents: 3
Last issue date: 01/25/2000

Number	Title	Issue Date
6018134	Main circuit switching apparatus A main circuit portions are arranged in the order of a breaking section fixed-side conductor, a breaking section movable-side conductor, a disconnecting section movable-side conductor, and a disconnecting section fixed-side conductor, and first and second...	01/25/2000
4777334	Porcelain clad, gas, circuit interrupter operation rod structure A porcelain clad gas circuit interrupter is disclosed which includes: an arc extinguishing porcelain tube defining therein an arc extinguishing chamber in which a stationary and a movable contact are disposed, the arc extinguishing chamber being filled wi...	10/11/1988
4458121	DC Circuit breaker A DC circuit breaker of the type using a blown arc-extinguishing gas is disclosed which allows for reliable fast interruption of DC currents through the provision of arc extension current paths. The extension current paths are relatively long and are bent...	07/03/1984

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