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    • 90. 发明公开
    • VENTIL, INSBESONDERE VORGESTEUERTES PROPORTIONAL-WEGESITZVENTIL
    • VENTIL,INSBESONDERE VORGESTEUESES PROPORTIONAL-WEGESITZVENTIL
    • EP2880316A1
    • 2015-06-10
    • EP13739358.3
    • 2013-07-18
    • Hydac Fluidtechnik GmbH
    • BRUCK, PeterBILL, Markus
    • F15B13/01F16K31/40
    • F16K1/526F15B13/015F16K31/408Y10T137/7771
    • The invention relates to a valve, in particular a pilot-operated proportional directional poppet valve, having a valve housing (7) which has a fluid inlet (21) and a fluid outlet (23), wherein the fluid stream between the fluid inlet (21) and the fluid outlet (23) is adjustable by a main piston (27), wherein a pilot valve chamber (37) provided on a rear face (29) of the main piston (27) has a pilot valve closing member (33) which can be moved by an actuating device (69) and by which the fluid stream between the pilot valve chamber (37) and the fluid outlet (23) can be adjusted, wherein an inlet aperture (3) is arranged between the fluid inlet (21) and the pilot valve chamber (37), characterised in that a maximum volumetric flow controller (5) is provided in the main piston (27) in an outflow between the pilot valve chamber (37) and the fluid outlet (23).
    • 本发明涉及一种阀,特别是先导式比例方向提升阀,其具有阀壳体(7),该阀壳体具有流体入口(21)和流体出口(23),其中流体入口 其中设置在主活塞(27)的后表面(29)上的导阀室(37)具有导阀关闭构件(33),该主活塞(27) ),其可以通过致动装置(69)移动,并且通过该调节装置(69)可以调节导阀室(37)和流体出口(23)之间的流体流,其中入口孔(3)布置在流体入口 (21)和先导阀室(37)之间,其特征在于,在主阀芯(37)和流体出口(23)之间的出口处的主活塞(27)中设有最大体积流量控制器(5) 。