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    • 10. 发明专利
    • Axial piston pump and power transmitting device therewith
    • 轴向活塞泵和发电装置
    • JP2009057882A
    • 2009-03-19
    • JP2007225090
    • 2007-08-31
    • Toyota Motor Corpトヨタ自動車株式会社
    • KUWABARA SHINYAFUJIYOSHI NAOSHISHIOIRI HIROYUKI
    • F04B1/22F16H9/12
    • F04B1/14F04B1/145F04B1/146
    • PROBLEM TO BE SOLVED: To provide an axial piston pump of which capacity is variable and a power transmitting device of a vehicle provided with the pump.
      SOLUTION: The multi-stroke type axial piston pump 7 reciprocates a piston provided in a cylinder chamber 41 in a direction of an axial line Ax1 by a cam unit 13 for integrally rotating with an input shaft 6. The cam unit 13 is provided with a fixed cam member 51, having a cam face contactable with a roller 50, capable of integrally rotating with the input shaft 6 while movement in the axial line direction is restricted and two movable cam members 53, 55, having the cam face capable of contacting with the roller 50, capable of integrally rotating with the input shaft while movable in the axial line direction. A rugged difference of the cam face of the fixed cam member 51 is smaller than a rugged difference of the cam faces of the movable cam members 53, 55.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供容量可变的轴向柱塞泵和设置有泵的车辆的动力传递装置。 解决方案:多冲程型轴向柱塞泵7通过用于与输入轴6一体旋转的凸轮单元13使设置在气缸室41中的设置在轴线Ax1的方向上的活塞往复运动。凸轮单元13是 设置有固定的凸轮构件51,其具有与辊50可接触的凸轮面,能够在轴线方向移动的同时与输入轴6一体旋转,并且具有凸轮面的两个可动凸轮构件53,55能够 与辊50接触,能够与输入轴一体地旋转同时沿轴线方向移动。 固定凸轮构件51的凸轮面的凹凸差小于可动凸轮构件53,55的凸轮面的凹凸差别。(C)2009,JPO&INPIT