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    • 8. 发明授权
    • Valve system for an arc extinguishing chamber and circuit breaker comprising same
    • 用于灭弧室的阀系统和包括其的断路器
    • US09064648B2
    • 2015-06-23
    • US13064938
    • 2011-04-27
    • Marc RivalSteeve BeckerClinton CarneThierry Berzin
    • Marc RivalSteeve BeckerClinton CarneThierry Berzin
    • H01H9/34
    • H01H9/342H01H2009/343
    • A closing system for an arc extinguishing chamber of a circuit breaker with high breaking capacity has been developed. The system according to the invention comprises a first duct equipped with a set of filters able to support usual pressures caused by the gases arising from the switching arc, in particular about 10 to 12 bars, and a second duct closed by a valve device enabling direct outlet of the exhaust gases when the pressure exceeds a threshold so as to prevent any explosion of the case. The outer wall of the extinguishing chamber is designed for the circuit breaker housing so as, including in case of opening of the valve device, to direct the gases and to prevent any arc-over on the frame. The valve device comprises a suitable membrane made from polymer, in particular aramide.
    • 已经开发了具有高分断能力的断路器的灭弧室的关闭系统。 根据本发明的系统包括配备有一组过滤器的第一管道,该组过滤器能够支持由开关电弧产生的气体,特别是约10至12巴所产生的气体,以及由阀装置封闭的第二管道,其能够直接 当压力超过阈值时排气的出口,以防止壳体的任何爆炸。 灭火室的外壁设计用于断路器外壳,包括在打开阀装置的情况下,引导气体并防止框架上的任何电弧。 阀装置包括由聚合物,特别是芳族聚酰胺制成的合适的膜。