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    • 13. 发明授权
    • Drive mechanism for the movement of an object along an axis of motion and micro-valve
    • 一个物体沿运动轴和微型阀运动的驱动机构
    • US08777179B2
    • 2014-07-15
    • US13131026
    • 2009-11-24
    • Peter Hess
    • Peter Hess
    • F16K31/02
    • H02N2/023F16K31/004
    • A drive mechanism for the movement of an object along an axis of motion comprises two clamping elements and a drive element disposed between the two clamping elements which enables a relative movement of the two clamping elements along the axis of motion. Each clamping element comprises a base body and two clamping jaws, wherein a piezo-actuator is disposed between the base body and at least one of the two clamping jaws, which can produce a clamping force acting on the object which is directed transversely to the axis of motion. The base bodies of the two clamping elements are connected by at least two expansible elements. The drive element comprises a further piezo-actuator, which enables the relative displacement of the two clamping elements along the axis of motion. The drive mechanism is suitable for application in a micro-valve.
    • 用于沿着运动轴线移动物体的驱动机构包括两个夹紧元件和设置在两个夹紧元件之间的驱动元件,其能够使两个夹紧元件沿着运动轴线相对移动。 每个夹紧元件包括基体和两个夹爪,其中压电致动器设置在基体与两个夹钳中的至少一个之间,其可以产生作用在物体上的夹紧力,该夹紧力横向于轴线 的运动。 两个夹紧元件的基体通过至少两个可膨胀元件连接。 驱动元件包括另外的压电致动器,其使两个夹紧元件沿着运动轴线相对移动。 驱动机构适用于微型阀门。