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    • 35. 发明申请
    • ANTI-GRADIENT CUPPED SEAT FOR PRESSURE REGULATOR
    • 用于压力调节器的防锥座椅
    • US20100270490A1
    • 2010-10-28
    • US12767427
    • 2010-04-26
    • Daniel G. RoperHarold J. McKinneyDouglas J. Scheffler
    • Daniel G. RoperHarold J. McKinneyDouglas J. Scheffler
    • F01L3/10
    • G05D16/0661
    • A regulator having a valve body defining a flow-path for a fluid and having a valve seat, an actuator casing coupled to the valve body, a control member disposed within the actuator casing and adapted for displacement relative to the valve body and the valve seat for regulating a flow of the fluid through the flow-path by moving between an open position and a closed position wherein the control member engages the valve seat, and a spring operatively coupled to the control member and biasing the control member toward the open position. The control member includes a surface facing the valve seat that is recessed. The recessed surface may be a counter-bore, or may have a convex shape, conical shape, or other appropriate recessed surface. So configured, the regulator displaced improved stability in high inlet pressure, low output pressure, high flow rate implementations.
    • 一种调节器,具有限定用于流体的流动路径并具有阀座的阀体,联接到阀体的致动器壳体,设置在致动器壳体内并适于相对于阀体和阀座移位的控制构件 用于通过在所述控制构件与所述阀座接合的打开位置和闭合位置之间移动来调节所述流体通过所述流动路径的流动;以及弹簧,其可操作地联接到所述控制构件并将所述控制构件偏压到所述打开位置。 控制构件包括面向阀座的凹陷的表面。 凹入的表面可以是反孔,或者可以具有凸形,圆锥形或其它适当的凹面。 如此配置,调节器在高入口压力,低输出压力,高流量实施方面取代了改进的稳定性。