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    • 2. 发明授权
    • Circuit breaker
    • 断路器
    • US4383152A
    • 1983-05-10
    • US177814
    • 1980-08-13
    • Georg KopplAdelbert Rappange
    • Georg KopplAdelbert Rappange
    • H01H33/91H01H33/70H01H33/915
    • H01H33/703
    • A circuit breaker is disclosed in which a compressed quenching medium, heated by an arc, is rapidly removed from a main duct in such a manner that the arc is effectively blown by axially opposing flows of quenching medium. The circuit breaker includes a nozzle made of an insulating substance and having the main duct. A first contact piece is slidingly accommodated in the main duct, and a second contact piece is fixedly connected to the nozzle. The nozzle includes a first blow duct having a first blow orifice, and an exhaust duct having an exhaust orifice. A second blow duct having a second blow orifice is included between the nozzle and the second contact piece. The first and second blow orifices are axially spaced from each other, and the exhaust orifice is located between the first and second blow orifices.
    • 公开了一种断路器,其中通过电弧加热的压缩淬火介质以这样的方式从主管道快速移除,使得电弧通过轴向相对的骤冷介质流有效地吹制。 断路器包括由绝缘物质制成并具有主管道的喷嘴。 第一接触件滑动地容纳在主管道中,并且第二接触件固定地连接到喷嘴。 喷嘴包括具有第一吹气孔的第一吹送管道和具有排气孔口的排气管道。 在喷嘴和第二接触片之间包括具有第二吹风口的第二吹风管。 第一和第二吹孔彼此轴向间隔开,并且排气孔位于第一和第二吹孔之间。