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    • 3. 发明申请
    • ULTRA HIGH PRESSURE PUMP WITH AN ALTERNATING ROTATION TO LINEAR DISPLACEMENT DRIVE MECHANISM
    • 具有替代旋转的超高压泵与线性位移驱动机构
    • WO2009117765A1
    • 2009-10-01
    • PCT/AU2009/000334
    • 2009-03-24
    • TECHNI WATERJET PTY LTDREUKERS, Darren
    • REUKERS, Darren
    • F04B17/04F04B1/16F16H25/18B24C5/02F04B9/02H02K7/14B26F1/26F04B49/06H02K33/10F04B1/02F16H25/12
    • F04B9/02B24C7/0007B24C9/00B26F3/004F04B11/005F04B11/0058F04B17/03F04B23/06F04B49/06F04B53/08F04B53/10F04B53/14F04B53/16H02K7/06
    • A high pressure pump including a linear actuator comprising a servo motor adapted to axially rotate a hollow rotor shaft (15) in alternating directions, the servo motor having a stator (19) positioned co-axially around the hollow rotor shaft (15) with an interior of the rotor shaft (15) being co-axially coupled to a drive member (30) to convert axial rotation into reciprocal displacement, the drive member (30) being constrained against linear movement and threadingly supporting a shaft (31) to impart linear displacement of the shaft (31) and an encoder (80) monitoring movement of the drive member. At least one piston (50, 51) is coupled to the shaft (31) and the piston (50, 51) is arranged within a cylinder (55) to define a pumping chamber (59), whereby alternating rotation of the rotor shaft (15) causes reciprocal linear displacement of the piston (50, 51) to pressurise fluid in the pumping chamber (59). A drive mechanism is also disclosed and includes a controller (81) coupled to a servomotor and an encoder (80) to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller.
    • 一种高压泵,包括线性致动器,其包括适于在交替方向上轴向旋转中空转子轴(15)的伺服电动机,所述伺服电动机具有定位在所述中空转子轴(15)周围的位置,所述定子 转子轴(15)的内部同轴地联接到驱动构件(30)以将轴向旋转转换成往复位移,驱动构件(30)被限制为线性移动并且螺纹地支撑轴(31)以呈线性 轴(31)的位移和编码器(80)监测驱动构件的运动。 至少一个活塞(50,51)联接到轴(31)并且活塞(50,51)被布置在气缸(55)内以限定泵送室(59),由此转子轴( 15)引起活塞(50,51)的往复线性位移,以加压泵送室(59)中的流体。 还公开了一种驱动机构,并且包括耦合到伺服电动机的控制器(81)和用于测量中空转子或输出轴的运动的编码器(80),并将与该运动成比例的反馈信号发送到控制器。