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    • 6. 发明授权
    • Self-extinguishing type circuit interrupter
    • 自熄型电路断路器
    • US4253002A
    • 1981-02-24
    • US889553
    • 1978-03-23
    • Masami Kii
    • Masami Kii
    • H01H33/95H01H33/985H01H33/70
    • H01H33/95
    • A circuit interrupter comprising a first and a second chamber both containng an arc extinguishing gas such as SF.sub.6 gas, each chamber defining a space independent of the other when a pair of contacts is closed. Between the first and second chambers a movable piston member is disposed for transmitting a pressure from the first chamber to the second chamber. When the arc extinguishing fluid in the first chamber is pressure-raised by the energy of an electric arc established between the contacts at their initial separation stage, the movable piston member is moved to compress the arc extinguishing fluid within second chamber. The arc extinguishing fluid thus compressed is puffed at the electric arc to extinguish it.
    • 一种包括第一和第二腔室的电路断流器,它们都包含诸如SF 6气体的灭弧气体,当一对触点闭合时,每个室限定独立于另一个的空间。 在第一和第二腔室之间设置可移动的活塞构件,用于将压力从第一腔室传递到第二腔室。 当第一室中的灭弧液体在其初始分离阶段期间由触点之间建立的电弧的能量压力升高时,移动活塞构件被移动以压缩第二室内的灭弧流体。 如此压缩的灭弧液体在电弧上膨胀以熄灭。