Gas insulation apparatus
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United States of America Patent
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Mar 18, 2014
Grant Date -
Apr 12, 2012
app pub date -
Dec 14, 2011
filing date -
Jun 17, 2009
priority date (Note) -
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Abstract
According to an embodiment, a gas insulation apparatus (e.g., a gas circuit breaker) includes a high-voltage unit, a zeolite and an insulation gas in a closed vessel. The insulation gas is CO2 gas or a gas including CO2 gas as the main component. The zeolite is contained in a zeolite case and is placed under an insulation gas atmosphere. CO2 is adsorbed on the zeolite before use of the gas insulation apparatus.
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