| 摘要 |
PURPOSE: A rupture disk cover of gas insulated switchgear is provided to protect a manager from accidents by designing the entrance of a guiding hole to become gradually larger. CONSTITUTION: A gas tank(10) provides a movement path for discharged insulating gas. A rupture disk cover(120) is combined with the gas tank. The rupture disk cover endures the pressure of the discharged insulating gas. The rupture disk cover includes a guiding hole which guides the discharging direction of the insulating gas to a safe area. A gas barrier film(110) is combined between the gas tank and the rupture disk cover.
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