GAS INSULATED CIRCUIT BREAKER
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United States of America Patent
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Jun 15, 2015
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Sep 25, 2014
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Abstract
Disclosed is a gas insulated circuit breaker having enhanced insulation properties. A gas insulated circuit breaker comprises: a fixed cylinder unit of which a movable contact point has an internal space; a movable piston unit which is slidably inserted into the inner space of the fixed cylinder unit; a fixing unit provided in a rear of the fixed cylinder unit in the internal space of the fixed cylinder unit; a puffer chamber which is formed by having the movable piston unit, fixed cylinder unit and fixing unit, surrounding the puffer chamber; and a gas inlet unit which forms a path, between the puffer chamber and the outer part of the fixed cylinder unit, through which a gas flows.
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