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    • 8. 发明公开
    • MULTI-STAGE POPPET VALVE
    • 多级阀门
    • EP3176481A1
    • 2017-06-07
    • EP16199329.0
    • 2016-11-17
    • Korea Aerospace Research Institute
    • Yoo, Jaehan
    • F16K39/02
    • F16K27/0209F16K15/021F16K31/12F16K39/024
    • Provided is a multi-stage poppet valve including: a flow pipe (10) in which a channel through which a fluid flows is formed; a fixing part extended inwardly from an inner peripheral surface of the channel of the flow pipe, and having a first channel (110) formed therein, the first channel being hollowed in a vertical direction and having the fluid flowing therethrough; a main valve part (200) disposed on the fixing part, having a second channel (210) formed at the center of an inner portion thereof, and vertically moved by force acting in the vertical direction to open and close the first channel, the second channel (210) having the fluid flowing therethrough; and an auxiliary valve part (300) vertically moved in the second channel (210) by force acting in the vertical direction to open and close the second channel, thereby controlling a flow rate of the fluid passing through the second channel (210).
    • 本发明提供一种多级提升阀,其具备:形成有供流体流动的流路的流通管(10) 固定部分,其从所述流管的所述通道的内周表面向内延伸,并具有形成在其中的第一通道(110),所述第一通道在竖直方向上中空并且流体流过所述第一通道; 设置在固定部件上的主阀部件(200),其具有形成在其内部中心的第二通道(210),并且通过作用在竖直方向上的力垂直移动以打开和关闭第一通道,第二通道 通道(210),流体流过其中; 以及通过沿垂直方向作用的力在第二通道(210)中垂直移动以打开和关闭第二通道,从而控制流过第二通道(210)的流体的流量的辅助阀部分(300)。