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    • 18. 发明授权
    • Vane pump including rotor having eccentric gravity center
    • 叶片泵包括具有偏心重心的转子
    • US07306440B2
    • 2007-12-11
    • US11267302
    • 2005-11-07
    • Hitoshi Amano
    • Hitoshi Amano
    • F01C21/00F03C2/00
    • F04C15/0073F04C2230/60
    • A vane pump includes a casing having a cylindrical inner bore and a rotor disposed in the inner bore with an eccentric relation thereto, forming a circular pump chamber between the rotor and the inner bore. The circular pump chamber is divided by vanes held in the rotor into pump chambers changing their capacities according to rotation of the rotor. A gravity center of the rotor is shifted from the rotational center of the rotor by removing or adding some weight, so that an imbalanced centrifugal force is applied to the rotor. The driving shaft and the rotor are tightly coupled to each other by the imbalanced centrifugal force even if there is a small gap or dimensional errors therebetween.
    • 叶片泵包括具有圆柱形内孔的壳体和设置在内孔中的与其偏心关系的转子,在转子和内孔之间形成圆形泵室。 圆形泵室由保持在转子中的叶片分成泵室,根据转子的旋转改变其容量。 通过除去或增加一些重量,转子的重心从转子的旋转中心移动,使得不平衡的离心力施加到转子。 驱动轴和转子通过不平衡的离心力彼此紧密结合,即使它们之间存在小的间隙或尺寸误差。
    • 19. 发明申请
    • Pump apparatus, system having the same, and method for operating the same
    • 泵装置,具有该泵装置的系统及其操作方法
    • US20070189907A1
    • 2007-08-16
    • US11640987
    • 2006-12-19
    • Seiji KunihiroHitoshi Amano
    • Seiji KunihiroHitoshi Amano
    • F04B49/06
    • F04C2/344F02M25/0818F04C28/08F04C28/28F04C2270/80
    • A pump apparatus includes a housing. A rotor is eccentrically accommodated in the housing. A motor rotates the rotor in the housing. A vane is substantially radially movable relative to the rotor. The vane has a radially outer end that is slidable relative to an inner circumferential periphery of the housing as the rotor and the vane rotates for increasing or decreasing pressure of gas. A pressure sensor detects pressure of the gas. A control unit that evaluates whether an adherence abnormality, in which the vane adheres to the rotor, occurs in accordance with both a detection signal of the pressure sensor and electricity supplied to the motor when the motor rotates the rotor. When the control unit determines the adherence abnormality to be caused, the control unit operates the motor to remove the vane from the rotor.
    • 泵装置包括壳体。 转子偏心地容纳在壳体中。 电机使壳体中的转子旋转。 叶片相对于转子基本可径向移动。 叶片具有径向外端,其随着转子和叶片旋转以相对于壳体的内圆周边缘滑动以增加或减少气体的压力。 压力传感器检测气体的压力。 控制单元,其根据压力传感器的检测信号和电动机使转子旋转时供给到电动机的电力,判断叶片附着于转子的粘附异常是否发生。 当控制单元确定要发生的粘附异常时,控制单元操作电动机以从转子去除叶片。