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    • 7. 发明专利
    • Hydraulic actuator for actuation of clutches in, in particular, multi-clutch transmission for motor vehicle
    • 液压执行器,用于执行特殊的离合器,用于电机的多离合器传动
    • JP2013057396A
    • 2013-03-28
    • JP2012130185
    • 2012-06-07
    • Fte Automotive Gmbhエフティーイー・オートモーティブ・ゲーエムベーハーFTE automotive GmbH
    • HEUBNER WILHELM
    • F16D25/12
    • F16D48/0206F16D2048/0269
    • PROBLEM TO BE SOLVED: To provide a hydraulic actuator which has improved efficiency with lower costs and is configured to be used for the actuation of clutches in a multi-clutch transmission for a motor vehicle.SOLUTION: The hydraulic actuator 10 for actuation of clutches 12, 12' in a multi-clutch transmission includes: a multi-circuit pump 14 that has a pump drive M; at least two pressure circuits 16, 16' that are connected to the pump; and a reservoir 18 for working fluid, from which the fluid can be conveyed by the pump to the pressure circuits. Each of the pressure circuits starting with the pump has: a non-return valve 20, 20' blocking in the direction of the pump; and an electromagnetically actuable proportional throttle valve 22, 22' by way of which the respective pressure circuits can be hydraulically relieved in a defined manner in a direction towards the reservoir; an outlet-side slave cylinder 24, 24' operatively connected to the clutch. The pump drive and the proportional throttle valves are electrically connected to a control unit ECU.
    • 要解决的问题:提供一种液压致动器,该液压致动器以更低的成本提高了效率并且构造成用于在用于机动车辆的多离合器变速器中用于致动离合器。 解决方案:用于致动多离合器变速器中的离合器12,12'的液压致动器10包括:多回路泵14,其具有泵驱动器M; 连接到所述泵的至少两个压力回路16,16' 以及用于工作流体的贮存器18,流体可以由该容器从泵输送到压力回路。 从泵起动的每个压力回路具有:沿泵的方向阻塞的止回阀20,20'; 以及一个电磁致动的比例节流阀22,22',通过它们,相应的压力回路可以沿着朝着储存器的方向以限定的方式液压地释放; 出口侧从动缸24,24'可操作地连接到离合器。 泵驱动器和比例节流阀电连接到控制单元ECU。 版权所有(C)2013,JPO&INPIT