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    • 3. 发明授权
    • Pressure proportioning regulator valve and vane machine including same
    • 压力比例调节阀和叶片机包括它
    • US5961307A
    • 1999-10-05
    • US906563
    • 1997-08-05
    • Al KeyGregory LemkeCharles W. MeinkeRonald J. Schilling
    • Al KeyGregory LemkeCharles W. MeinkeRonald J. Schilling
    • F15B13/04F01C1/344F01C21/16G05D7/01
    • F15B13/0402Y10T137/2544
    • The simple and economical pressure proportioning regulator valve can maintain a constant pressure ratio of the pressure at its inlet (13) to the pressure in its outlet duct (14), especially during negative pressure changes at the inlet (13). The pressure proportioning regulator valve has a valve housing (11) provided with a throughgoing passage (12) having an inlet (13) and an outlet duct (14); a valve gate (22) in the throughgoing passage (12) having a pressing surface (43) acted on by a pressure at the inlet (13) and another pressing surface (44) acted on by a pressure in the outlet duct (14); a device for reducing both pressures while maintaining their pressure ratio including a first control edge (29) arranged on the valve gate (22) between the inlet (13) and the outlet duct (14) and a device for controlling a flow of a pressurized medium between the outlet duct (14) and the return duct (15) including a second control edge (30) provided on the control member (23) of the valve gate (22). This rapidly reacting pressure proportioning regulator valve (10) does not have a valve spring and thus is not subjected to wear and/or fatigue in the course of its life.
    • 简单和经济的压力比例调节阀可以保持其入口(13)处的压力与其出口管道(14)中的压力的​​恒定压力比,特别是在入口(13)处的负压变化期间。 所述压力比例调节阀具有设置有具有入口(13)和出口导管(14)的通过通道(12)的阀壳体(11)。 所述通孔(12)中的阀门(22)具有通过所述入口(13)处的压力和由所述出口管道(14)中的压力作用的另一个按压表面(44)起作用的按压表面(43) ; 一种用于在保持其压力比的同时降低压力的装置,包括设置在入口(13)和出口管道(14)之间的阀门(22)上的第一控制边缘(29)和用于控制加压 出口管道(14)和返回管道(15)之间的介质包括设置在阀门(22)的控制构件(23)上的第二控制边缘(30)。 这种快速反应的压力比例调节阀(10)不具有阀弹簧,因此在其使用寿命期间不会受到磨损和/或疲劳。