发明名称 Electrical vacuum switching chamber
摘要 A fixed contact block 29 with contact pads 30,31 and a moving contact unit 20-22 is used. Positioned around the switching contacts are fixed position axial magnetic field contacts 37,38 that have a clearance relative to the switching contacts. The ring-shaped contacts provide a diffused arcing action during switch-off.
申请公布号 DE19705158(A1) 申请公布日期 1998.08.13
申请号 DE19971005158 申请日期 1997.02.11
申请人 ABB PATENT GMBH, 68309 MANNHEIM, DE 发明人 GENTSCH, DIETMAR, DIPL.-ING., 40878 RATINGEN, DE
分类号 H01H33/12;H01H33/664;(IPC1-7):H01H33/66 主分类号 H01H33/12
代理机构 代理人
主权项
地址