发明公开
- 专利标题： HYDRAULIC DRIVE SYSTEM
- 专利标题（中）： 水力发电系统
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申请号： EP15818685.8申请日： 2015-06-24
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公开(公告)号： EP3168076A1公开(公告)日： 2017-05-17
- 发明人: INADA, Takanori , IWANAJI, Tetsuya
- 申请人： KYB Corporation
- 申请人地址： World Trade Center Building 4-1, Hamamatsu-cho 2-chome Minato-ku Tokyo 105-6111 JP
- 专利权人： KYB Corporation
- 当前专利权人： KYB Corporation
- 当前专利权人地址： World Trade Center Building 4-1, Hamamatsu-cho 2-chome Minato-ku Tokyo 105-6111 JP
- 代理机构： Grünecker Patent- und Rechtsanwälte PartG mbB
- 优先权： JP2014143485 20140711
- 国际公布： WO2016006454 20160114
- 主分类号： B60K17/10
- IPC分类号： B60K17/10 ; F16H61/4017 ; F16H61/478
摘要：
A hydraulic drive system includes: a first hydraulic motor (12) and a second hydraulic motor (22) configured to be driven by working oils respectively discharged from a first hydraulic pump (11) and a second hydraulic pump (21) to transmit powers to different drive wheels of right and left drive wheels (2, 3); a first pump control unit (13) and a second pump control unit (23) configured to control discharge volumes and discharge directions of the first hydraulic pump (11) and the second hydraulic pump (21); a signal pressure generating unit (40) configured to generate a signal pressure for adjusting command pressures to control the first pump control unit (13) and the second pump control unit (23) in accordance with the sum of discharge pressures of the first hydraulic pump (11) and the second hydraulic pump (21); and a first pressure adjusting unit (50) and a second pressure adjusting unit (60) configured to adjust the command pressures in accordance with the signal pressure.
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