发明名称 |
Circuit breaker |
摘要 |
In a closing operation of a circuit breaker with resistor contact, a resister contact is closed prior to closing of a main contact by the same first hydraulic operation system. In opening operation, the resistor contact is driven by a second hydraulic operation system used to close the main contact after operating the main contact by the first hydraulic operation system. Opening timing of the resistor contact is controlled by a mechanical interlock mechanism or hydraulic control circuit.
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申请公布号 |
US5367134(A) |
申请公布日期 |
1994.11.22 |
申请号 |
US19930046997 |
申请日期 |
1993.04.16 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
YOSHIZUMI, TOSHIAKI;HIDAKA, MIKIO;HIRANO, YOSHIKI |
分类号 |
H01H33/12;H01H33/16;H01H33/34;H01H33/42;H01H33/70;(IPC1-7):H01H33/34;H01H33/52 |
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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