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    • 4. 发明申请
    • PUMP APPARATUS AND CONTROL METHOD FOR CONTROLLING THE PUMP APPARATUS
    • 用于控制泵装置的泵装置和控制方法
    • US20110150672A1
    • 2011-06-23
    • US12949311
    • 2010-11-18
    • Makoto KIMURASatoshi Nonaka
    • Makoto KIMURASatoshi Nonaka
    • F04B49/00
    • B62D5/063B62D5/065F02N11/0848F04C2/344F04C14/226
    • A pump apparatus including a pump housing, a drive shaft, a cam ring movably disposed in the pump housing, a pump element disposed within the cam ring and rotationally driven by the drive shaft to vary a specific discharge quantity which is a discharge quantity of the working oil per one rotation of the pump element in accordance with variation in eccentric amount of the cam ring with respect to the drive shaft, and a solenoid which is drivingly controlled on the basis of a steering condition and a vehicle speed and operated to control the eccentric amount of the cam ring. The solenoid is controlled to execute a flow rate reduction control during cranking of an engine of the vehicle in which the cam ring is allowed to move in such a direction as to reduce the specific discharge quantity.
    • 一种泵装置,包括泵壳体,驱动轴,可移动地设置在泵壳体中的凸轮环,设置在凸轮环内并由驱动轴旋转驱动的泵元件,以改变作为排出量的比例排放量 根据凸轮环相对于驱动轴的偏心量的变化,泵元件每旋转一次的工作油,以及基于转向条件和车速被驱动控制的电磁铁,并且被操作以控制 凸轮环的偏心量。 螺线管被控制为在车辆的发动机起动期间执行流量减小控制,其中允许凸轮环沿着减小比例排放量的方向移动。