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    • 3. 发明申请
    • MULTI-STAGE REGULATING VALVE
    • 多段控制阀
    • WO1995022025A1
    • 1995-08-17
    • PCT/DE1995000170
    • 1995-02-09
    • GLYCO-METALL-WERKELEHMANN, UweSTICH, BodoWILHELM, Maik
    • GLYCO-METALL-WERKE
    • F16K17/04
    • F16K17/0473F16K17/046F16K17/065Y10T137/2605Y10T137/7834Y10T137/86928
    • The present invention relates to a multi-stage regulating valve with a cylinder (1) and an adjusting piston (2) guided inside it to which a regulating pressure can be applied from one side and a return force, e.g. from a pressure spring (3), from the other, in which, depending on the regulating pressure, the piston (2) keeps at least one outlet aperture (41, 42) in the cylinder wall (11) closed or partly or fully opens it and thus closes off a connection to the side of the piston to which the regulating pressure is applied or partly or fully opens it via the outlet aperture (41, 42). To provide a multi-stage regulating valve with the above-mentioned features which can alter the regulating characteristics over a wide range depending on the position of the piston even without the use of several return components, the invention proposes that the piston (2) consist of at least two partial pistons (21, 22) to which the regulating pressure can be applied, where the force of the return component (3) can be applied to a first partial piston (21), whereby a follower (5) interconnects the partial pistons (21, 22) in such a way that a return force is exerted on the second partial piston (22) or other partial pistons via the first partial piston (21) and the follower, the cylinder (1) have at least one stop (6) for the second or other partial pistons (22) limiting the movement of the second or other partial pistons (22, 23) under the effect of the regulating pressure (P) and against the action of the return component (3), while the first partial piston (21) is unaffected by said stop (6) and remains movable against the return component (3) if the regulating pressure (P) increases further.
    • 本发明涉及一种具有气缸(1)的多步控制阀和一个在其中被引导调整活塞(2),其可以在从一侧通过一个控制压力和在另一侧上通过一个恢复力,例如作用 由压缩弹簧(3)时,所述活塞(2)响应于在气缸壁中的控制压力的至少一个输出口(41,42)(11)作用没有,部分或完全地释放,因此通过输出开口(41,42) 连接到从所述控制活塞侧的中断所施加的压力,部分地或完全制造。 为了创建与上述特征的多步控制阀,其允许在调节活塞位置的功能的控制特性的变化也无需使用多个在宽范围内复位元件的,根据本发明,提出的是,活塞(2)在每种情况下与所述控制压力中的至少两个 以这样的方式作用于部分活塞(21,22),其中第一部分的活塞(21)在由所述复位元件(3)的力作用,其中一个载体(5)的活塞部分(21,22),所述第二部分活塞 (22),或通过所述第一部分的活塞(21)和(5)经历恢复力驱动器还部分的活塞,所述汽缸(1)的至少一个止动件(6),用于在第二或另外的部分的活塞(22),的其中所述移动 控制压力(P)的影响下,第二或进一步的部分活塞(22,23)并抵靠复位元件的作用(3) 限定,而此止动件(6)在控制压力(P)克服复位元件(3)的进一步增加不受影响的第一部分的活塞(21)是可移动的。