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.
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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 |
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代理人 |
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主权项 |
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地址 |
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