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    • 3. 发明授权
    • Hybrid valving system for varying fluid flow rate
    • 用于改变流体流速的混合阀门系统
    • US5329965A
    • 1994-07-19
    • US100596
    • 1993-07-30
    • Daniel J. Gordon
    • Daniel J. Gordon
    • G01N1/00G01N21/31G01N30/32G05D7/06F16K11/20
    • G05D7/0652Y10T137/87314
    • In a fluid valving system, binary fluid control lines are connected in parallel between a common fluid inlet and a common fluid outlet. Each line has a binary valve and a metering orifice for passing a predetermined rate of fluid flow. The rates are in a geometric progression in factors of two. An analog fluid control line is connected in parallel with the binary lines, and has a continuously adjustable flow rate regulator for passing any selected rate of fluid flow up to a maximum at least equal to the largest increment of rate change in the binary lines. The regulator is formed of a miniature solid state device. A controller sets each binary valve open or closed, and sets the regulator for a selected flow rate, such that cooperative settings provide for a smoothly variable rate of total fluid flow.
    • 在流体阀门系统中,二元流体控制管线在公共流体入口和公共流体出口之间并联连接。 每条线都有一个二进制阀和一个用于通过预定流量流量的计量孔。 这两个因素的比例是几何级数。 模拟流体控制线路与二进制线路并联连接,并且具有连续可调的流量调节器,用于将任何选定的流体流量传递到至少等于二进制线路中速率变化的最大增量的最大值。 调节器由微型固态器件形成。 控制器将每个二进制阀设置为打开或关闭,并将调节器设置为选定的流量,使得协作设置提供总流体流量的平​​滑可变速率。