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    • 4. 发明授权
    • Quiet high flow control valve
    • 安静的高流量控制阀
    • US5904334A
    • 1999-05-18
    • US814783
    • 1997-03-10
    • Jordan Bryce GrunertJames R. Shannon
    • Jordan Bryce GrunertJames R. Shannon
    • F16K31/40F16K47/08F16K47/16F16K31/385F16K47/02
    • F16K47/16F16K31/404F16K47/08Y10T137/7882
    • A dispensing valve for dispensing a liquid including a valve housing having a fluid inlet and a fluid outlet, an armature positioned in the housing, the armature being reciprocal between an open and closed position, a sealing disk fixedly secured to a sealing end of the armature for sealing engaging a valve seat positioned about the fluid outlet for providing selective fluid communication between the fluid inlet and the fluid outlet and a flow control device positioned in the fluid outlet for providing a substantially quiet and constant flow of liquid through the fluid outlet. The flow control device including a high pressure region and a low pressure region downstream of the high pressure region with the high pressure region of the flow control device including a flow control orifice having an inside diameter less than a diameter of the fluid outlet and the low pressure region of the flow control device intersects the high pressure region of the flow control device. Additionally, the low pressure region has a first dimension less than the inside diameter of the orifice and a second dimension greater than the inside diameter of the orifice, with the second dimension being transverse to the first dimension. The body of the aid flow control device includes a substantially cylindrical portion and a substantially conical portion with the conical portion being positioned downstream of the cylindrical portion which includes the high pressure region while the conical portion includes said low pressure region.
    • 一种用于分配包括具有流体入口和流体出口的阀壳体的液体的分配阀,位于壳体中的电枢,衔铁在打开和关闭位置之间往复运动,密封盘固定地固定到电枢的密封端 用于密封接合围绕流体出口定位的阀座,用于在流体入口和流体出口之间提供选择性流体连通;以及流量控制装置,其定位在流体出口中,用于提供通过流体出口的基本安静且恒定的液体流。 流量控制装置包括高压区域和低压区域下游的低压区域,流量控制装置的高压区域包括具有小于流体出口直径的内径的流量控制孔口, 流量控制装置的压力区域与流量控制装置的高压区域相交。 此外,低压区具有小于孔的内径的第一尺寸和大于孔的内径的第二尺寸,其中第二尺寸横向于第一尺寸。 辅助流量控制装置的主体包括基本上圆柱形的部分和基本上圆锥形的部分,其中锥形部分位于包括高压区域的圆柱形部分的下游,而锥形部分包括所述低压区域。