| 发明名称 |
OPERATING OIL SUPPLYING DEVICE AND CONSTRUCTION MACHINE |
| 摘要 |
<p>An operating oil supplying device (100) is provided with a working-machine pump (21) for supplying operating oil to a hydraulic actuator (42) for driving a working machine (41), a fan pump (53) for supplying operating oil to a hydraulic motor (52) for driving a cooling fan (51), and a circuit switching valve (6) provided in a hydraulic circuit which is branched from a hydraulic circuit for interconnecting the hydraulic actuator (42) and the working-machine pump (21) and is connected to the fan pump (53), the circuit switching valve (6) switching connection of a discharge section of the fan pump (53) between the hydraulic actuator (42) and the hydraulic motor (52).</p> |
| 申请公布号 |
WO2009119277(A1) |
申请公布日期 |
2009.10.01 |
| 申请号 |
WO2009JP54214 |
申请日期 |
2009.03.05 |
| 申请人 |
KOMATSU LTD.;TANAKA, SATOSHI;MIZOGUCHI, NORIHIDE |
发明人 |
TANAKA, SATOSHI;MIZOGUCHI, NORIHIDE |
| 分类号 |
F15B11/02;E02F9/22;F01P7/04;F15B21/04 |
主分类号 |
F15B11/02 |
| 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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