发明名称 |
Driving mechanism of a circuit breaker |
摘要 |
In a driving mechanism of a circuit breaker having first and second hydraulic operation apparatuses respectively driving a main contact and a resistor contact, a sequential control valve is provided between the first and second hydraulic operation apparatuses. The sequential control valve detects the operation of a differential piston for opening the main contact and switching the differential piston for sequentially opening the resistor contact after the opening of the main contact.
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申请公布号 |
US5353594(A) |
申请公布日期 |
1994.10.11 |
申请号 |
US19930051096 |
申请日期 |
1993.04.22 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
YAMASHITA, TORU;HIRANO, YOSHIKI |
分类号 |
H01H3/24;F15B20/00;H01H33/16;H01H33/34;(IPC1-7):F16D31/02 |
主分类号 |
H01H3/24 |
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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