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    • 6. 发明申请
    • Pneumatic biasing of a linear actuator and implementations thereof
    • 线性致动器的气动偏压及其实施方案
    • US20070068399A1
    • 2007-03-29
    • US11526362
    • 2006-09-25
    • Robb AndersonJames McCrickardThomas Beck
    • Robb AndersonJames McCrickardThomas Beck
    • B30B1/34
    • B30B1/38B30B1/18Y10T74/1868
    • An improved method and apparatus are provided for constructing and operating a linear actuator, and equipment incorporating a linear actuator, by operatively connecting a pressure biasing pneumatic arrangement between the driving member and the driven member of a mechanical linear actuator for applying a unidirectional biasing force between the driving and driven members, along an axis of motion, regardless of the location or movement of the driving and driven elements with respect to one another along the axis of motion. The pneumatic biasing arrangement is also configured, connected and operated to reduce the force which must be exerted by the driving and driven members in extending and retracting the linear actuator. The pneumatic biasing arrangement may further be configured for preferentially aiding extension or retraction of the actuator.
    • 提供了一种改进的方法和装置,用于构造和操作线性致动器,以及包括线性致动器的设备,通过在机械线性致动器的驱动构件和从动构件之间可操作地连接压力偏压气动装置,以在机械线性致动器之间施加单向偏置力 驱动和被驱动构件沿着运动轴线,而不管驱动元件和被驱动元件相对于运动轴线相对于彼此的位置或运动如何。 气动偏压装置还被构造,连接和操作以减小驱动和被驱动构件在伸直和缩回线性致动器时必须施加的力。 气动偏压装置还可以被配置为优先地辅助致动器的伸展或缩回。