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    • 9. 发明申请
    • FLOW CONTROL SYSTEMS AND CONTROL VALVES THEREFOR
    • 流量控制系统及其控制阀
    • WO2008045835A3
    • 2008-08-28
    • PCT/US2007080712
    • 2007-10-08
    • INSIGHT PROCESS SOLUTIONSJENNINGS JEFFREY DKELLAR FRANZ W
    • JENNINGS JEFFREY DKELLAR FRANZ W
    • F16K7/04B67D7/08
    • F16K7/07Y10T137/0318
    • A fluid system, a control valve therefor, and a method of its operation are provided. The fluid system includes a piping run, and a control valve which includes: a housing having an inlet connected to the piping run, an outlet connected to the piping run, and a pressure port; and a elastomeric tube disposed inside the housing, the tube having a flow passage extending therethrough which is in fluid communication with the inlet and outlet. An outer surface of the tube and the housing cooperatively define a pressure chamber which is in fluid communication solely with the pressure port, A source of controlled fluid pressure is connected to the pressure port to modulate flow in the tube. The tube is sized and the valve is operated so as to provide accurate flow rate control.
    • 提供一种流体系统,其控制阀及其操作方法。 流体系统包括管道运行和控制阀,其包括:壳体,其具有连接到管道的入口,连接到管道的出口和压力端口; 以及设置在所述壳体内部的弹性体管,所述管具有延伸穿过其中的流动通道,其与所述入口和出口流体连通。 管的外表面和壳体协同地限定了压力室,其仅与压力端口流体连通。受控流体压力源连接到压力端口以调节管中的流动。 管的尺寸大小并且阀被操作以提供精确的流量控制。