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    • 10. 发明公开
    • HYDROSTATISCHER ANTRIEB
    • 静液压传动装置
    • EP2510261A1
    • 2012-10-17
    • EP10784983.8
    • 2010-11-19
    • Hydac Filter Systems GmbH
    • HONSBEIN, Rüdiger
    • F16H61/4035F16H61/4157F16H61/4096
    • F16H61/4035F16H61/4096F16H61/4157
    • The invention relates to a hydrostatic drive having a closed circulation system (2). The hydrostatic drive comprises an adjustable hydraulic pump (4) driven by an internal combustion engine (3) and a hydraulic motor (5) as well as a first working line (6) and a second working line (7). The first working line (6) and second working line (7) each connect the hydraulic pump (4) and the hydraulic motor (5) to one another. The hydrostatic drive is characterised in that a first hydraulically pilot-controlled valve (8) regulates the fluid flow in the first working line (6), which in a forward driving operation forms the return line for fluid from the hydraulic motor (5) to the hydraulic pump (4), the hydraulic pilot control of the valve (8) is effected by a pressure control valve (9), which detects the fluid pressure in the first working line (6), and depending on the fluid pressure in the first working line (6) and in the second working line (7), and when a pressure set in the pressure control valve (9) exceeds the fluid pressure in the first working line (6), during a braking operation, the valve (8) switches to a position in which the fluid flow is conducted to a further load (10).