发明名称 |
Puffer type gas circuit breaker |
摘要 |
A puffer type gas circuit breaker comprising at least a pair of main movable and fixed contacts, a puffer device and a pair of preinsertion resistor contacts inserted in parallel with the main movable and fixed contacts, wherein the main movable resistor contact is mounted through a plurality of adjustment plates to a support arm mounted on the puffer device.
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申请公布号 |
US4293749(A) |
申请公布日期 |
1981.10.06 |
申请号 |
US19790060480 |
申请日期 |
1979.07.25 |
申请人 |
HITACHI, LTD. |
发明人 |
KISHI, TUNEO;SASAKI, KOJI |
分类号 |
H01H33/70;H01H33/16;H01H33/915;(IPC1-7):H01H33/16 |
主分类号 |
H01H33/70 |
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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