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    PILOT ACTUATED CONTROL PILOT FOR OPERATING VALVE
    1.
    发明公开
    PILOT ACTUATED CONTROL PILOT FOR OPERATING VALVE 审中-公开

    公开(公告)号：EP3657053A1

    公开(公告)日：2020-05-27

    申请号：EP19208024.0

    申请日：2019-11-08

    申请人： MAC Valves, Inc.

    发明人： NEFF, Robert ,  NEFF, Matthew ,  SIMMONDS, Jeff ,  JANSSEN, Eric ,  RICHARDSON, Joseph

    IPC分类号： F16K3/26 ,  F16K11/07 ,  F16K31/06 ,  F16K31/122 ,  F15B13/042 ,  F15B13/043 ,  F16K31/42

    摘要： A pulse valve assembly including a main valve and two pilot valves. The main valve includes a main valve body, main valve bore, and main valve spool. The main valve body includes an inlet port, an outlet port, and a pressure chamber at one end of the main valve bore. A first pilot valve selectively supplies pressurized fluid to the second pilot valve depending on the position of a poppet, which is controlled by a solenoid. A second pilot valve includes a spool that is driven by pressurized fluid from the first pilot valve. The second pilot valve selectively supplies pressurized fluid to the pressure chamber in the main valve causing the main valve spool to move towards the open or closed position. When the main valve spool is in the open position, pressurized fluid can flow through the main valve from the inlet port to the outlet port.

    PROPORTIONAL PRESSURE CONTROLLER WITH ISOLATION VALVE ASSEMBLY
    2.
    发明公开
    PROPORTIONAL PRESSURE CONTROLLER WITH ISOLATION VALVE ASSEMBLY 审中-公开
    带隔离阀组件的比例压力控制器

    公开(公告)号：EP3236086A1

    公开(公告)日：2017-10-25

    申请号：EP17155159.1

    申请日：2017-02-08

    申请人： MAC Valves, Inc.

    发明人： NEFF, Robert H. ,  NEFF, Matthew ,  WILLIAMS, Kevin C. ,  RICHARDSON, Joseph

    IPC分类号： F15B20/00 ,  F15B13/043

    CPC分类号： F15B13/0405 ,  F15B13/0426 ,  F15B13/0431 ,  F15B20/00 ,  F15B2211/8855

    摘要： A proportional pressure controller includes a body having inlet, outlet, and exhaust ports. A fill valve communicates with pressurized fluid in the inlet port. A dump valve communicates with pressurized fluid from the fill valve. An inlet poppet valve opens by pressurized fluid through the fill valve. An exhaust poppet valve when closed isolates pressurized fluid from the exhaust port. An outlet flow passage communicates with pressurized fluid when the inlet poppet valve is open, and communicates with the outlet port and an exhaust/outlet common passage. An isolation valve assembly selectively isolates fluid flow to and from the inlet port or the exhaust port to achieve a zero pressure condition.

    摘要翻译： 比例压力控制器包括具有入口，出口和排气口的主体。 注入阀与入口端口中的加压流体连通。 卸料阀与来自注入阀的加压流体连通。 进口提升阀通过加注流体通过注入阀打开。 排气提升阀在关闭时隔离加压流体与排气口。 当进口提升阀打开时，出口流道与加压流体连通，并与出口端口和排气/出口共用通道连通。 隔离阀组件选择性地隔离流入和流出入口端口或排出端口的流体流动以实现零压力状态。