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    • 3. 发明申请
    • Fluid-transfer system
    • 流体传输系统
    • US20080156383A1
    • 2008-07-03
    • US11987137
    • 2007-11-27
    • Jian YEZhenyu LI
    • Jian YEZhenyu LI
    • B67D5/00
    • F15B11/042F02M59/205F02M59/34F02M59/366F02M63/0017F02M63/004Y10T137/86027
    • A fluid-transfer system includes a pump, a valve member for metering fluid pumped by the pump, and controls that regulate the position of the valve member. The controls may include an electric actuator operable to generate movement of the valve member in a first direction using activation current. The controls may also include one or more springs that provide resistance force that urges the valve member in a second direction, opposite the first direction. A spring rate of the resistance force may vary as a function of the position of the valve member in such a manner that a relationship between a flow rate of the fluid pumped through the pump and the activation current is more linear than a relationship between a position of the valve member and the activation current.
    • 流体输送系统包括泵,用于计量由泵泵送的流体的阀构件以及调节阀构件的位置的控制。 控制器可以包括电动致动器,其可操作以使用激活电流在第一方向上产生阀构件的运动。 控制装置还可以包括一个或多个弹簧,其提供阻力,该阻力在第二方向上与第一方向相反地推动阀构件。 阻力的弹簧刚度可以根据阀构件的位置的函数而变化,使得通过泵泵送的流体的流量与激活电流之间的关系比位置 的阀构件和激活电流。