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    • 8. 发明申请
    • Valve operated by differential pressure
    • 阀门由差压器操作
    • US20050126637A1
    • 2005-06-16
    • US10743424
    • 2003-12-23
    • Yunggyo LeeJinwoo LeeDongmin KimWanggu KangSungyuk KimHaechang LeeChanhong Yeom
    • Yunggyo LeeJinwoo LeeDongmin KimWanggu KangSungyuk KimHaechang LeeChanhong Yeom
    • F16K17/02F16K17/04F16K31/08
    • F16K31/084F16K17/04Y10T137/7905
    • A valve operated by differential pressure according to the present invention comprises a valve body, a valve disk, a central link, a link, an elastic member, a member attracted by a magnet, and the magnet; the valve disk being mounted on the valve body, the central link being connected at one end to the valve disk, and opening and closing the valve, the link being connected pivotally at one end to the central link, and making the central link move according to rotation of the link around a link pivot, the elastic member being connected pivotally at one end to the link and fixed pivotally at the other end, and making the link rotate around the link pivot by elastic force of the elastic member, the member being mounted on the other end of the central link, the magnet lying adjacent to the member; the valve being closed tightly without leakage of internal fluid until a predetermined differential pressure is reached, then being opened to the maximum stroke thereof as soon as the predetermined differential pressure is reached, and then being closed again instantly and tightly when the differential pressure is decreased without leakage of internal fluid, by attractive force of the magnet together with elastic force of the elastic member.
    • 根据本发明的通过压差操作的阀包括阀体,阀盘,中心连杆,连杆,弹性构件,被磁体吸引的构件和磁体; 所述阀盘安装在所述阀体上,所述中心连杆一端连接到所述阀盘,并且打开和关闭所述阀,所述连杆在一端可枢转地连接到所述中心连杆,并使所述中心连杆沿着 使链节围绕连杆枢轴旋转,弹性构件在一端可枢转地连接到连杆并且在另一端可枢转地固定,并且使得连杆通过弹性构件的弹力围绕连杆枢轴转动,该构件为 安装在中心连杆的另一端,磁体位于与构件相邻的位置; 在没有内部流体泄漏的情况下,阀被紧密地关闭,直到达到预定的压差,然后一旦达到预定的压差就被打开到其最大冲程,然后当差压减小时再次立即闭合 没有内部流体的泄漏,通过弹性构件的弹力与磁体的吸引力。