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1. 发明专利

JP2579688B2 失效
公开(公告)号：JP2579688B2
公开(公告)日：1997-02-05
申请号：JP28597689
申请日：1989-11-01
申请人： ALSTHOM GEC
发明人： EDOMON TORII , DONI DEYUFURUNE , MISHERU PURE
IPC分类号： H01H33/12 , H01H33/90 , H01H33/91 , H01H33/915 , H01H33/95
摘要： The invention concerns a gas-blast circuit interrupter for high potential. The subject of the invention is a gas-blast circuit interrupter for high potential, of the type comprising at least one disconnection chamber comprising an insulating envelope filled with the said gas and inside which are placed a stationary assembly comprising a main stationary contact and a stationary arcing contact, a mobile assembly comprising in particular a main mobile contact and a mobile arcing contact, the disconnection chamber comprising moreover an expelling cylinder opening into an expelling nozzle and a pair of secondary contacts, characterised in that the said expelling cylinder is delimited by a first cylinder (5) constituting the mobile arcing contact, a second cylinder (7) constituting the main mobile contact and a first semi-mobile piston (14) bearing one (30) of the secondary contacts, the other contact (31) being borne by a stationary tube (15) delimiting with the first piston, an insulating tubular extension (5B) of the said first cylinder (5) and a second piston integral with the said cylinder (5) and sliding along the said stationary tube, and a second closed volume (35). … …

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