发明名称 |
Hydraulic circuit for controlling actuators in a construction vehicle |
摘要 |
A hydraulic circuit for controlling actuators in a construction vehicle which comprises an engine, a fixed displacement pump driven by said engine, a variable displacement pump driven by said engine, a controlling cylinder connected to the variable displacement pump for controlling the displacement thereof, an orifice provided between the output of the fixed displacement pump and a tank and, an unloading valve connected to the fixed displacement pump and also to the variable displacement pump via a pilot line for selectively unloading an output fluid from the fixed displacement pump when it is open.
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申请公布号 |
US4022023(A) |
申请公布日期 |
1977.05.10 |
申请号 |
US19750638070 |
申请日期 |
1975.12.05 |
申请人 |
KABUSHIKI KAISHA KOMATSU SEISAKUSHO |
发明人 |
INABA, NOBUAKI;HOASHI, KENZO |
分类号 |
F04B49/00;F04B49/08;(IPC1-7):F16H39/46 |
主分类号 |
F04B49/00 |
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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