公开(公告)号：EP2930731B1

公开(公告)日：2018-12-26

申请号：EP15150352.1

申请日：2015-01-07

申请人： Hyundai Electric & Energy Systems Co., Ltd.

发明人： Kim, Hyung-Choon

IPC分类号： H01H33/72 ,  H01H33/88 ,  H01H33/90

CPC分类号： H01H33/90 ,  H01H33/72 ,  H01H2033/888 ,  H01H2033/908

摘要： The present disclosure relates to a circuit breaker of a gas-insulated switchgear, and more particularly, to a self-blast circuit breaker of a gas-insulated switchgear, which reuses arc heat. A self-blast circuit breaker having a heat expansion chamber and a puffer chamber includes auxiliary intake valves which introduce a hot gas exhausted through an inside of an actuating rod, into the heat expansion chamber.

公开(公告)号：EP2905797B1

公开(公告)日：2019-03-13

申请号：EP15150350.5

申请日：2015-01-07

申请人： Hyundai Electric & Energy Systems Co., Ltd.

发明人： Kim, Hyung-Choon

IPC分类号： H01H33/88 ,  H01H1/38 ,  H01H33/91