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    • 8. 发明申请
    • VALVE ACTUATOR APPARATUS
    • 阀门执行器装置
    • US20050017209A1
    • 2005-01-27
    • US10244376
    • 2002-09-16
    • Terry Young
    • Terry Young
    • F16K31/126F16K31/145
    • F16K41/04F16K31/1262F16K31/1268F16K31/145
    • A valve actuator apparatus and method comprises an operator housing secured to a bonnet assembly. The bonnet assembly is secured to the valve body, and includes a bonnet stem movably within a bonnet housing for moving a gate within the valve body to open and close the valve. A downstop member is fixably secured to the bonnet stem and engages removable stem spacers which are added or removed to obtain a selected bonnet stem drift setting. The operator housing connects to a base ring that surrounds the bonnet housing and rotates to allow positioning of a fluid port in the operator housing. The operator housing may removed and replaced without altering the bonnet stem drift adjustment. A top shaft extends from the operator housing and rotates with respect to the bonnet stem to prevent torque transmission from the top shaft to the bonnet stem. A replaceable sealing cartridge sealingly supports the top shaft for axial movement within the operator housing.
    • 阀致动器装置和方法包括固定到发动机罩组件上的操作器壳体。 发动机罩组件固定到阀体上,并且在阀盖壳体内可移动地包括阀盖杆,用于移动阀体内的阀门以打开和关闭阀门。 下止动构件可固定地固定到发动机盖杆上并且接合可移除的杆间隔件,其被添加或移除以获得所选择的阀盖杆漂移设置。 操作者壳体连接到围绕发动机罩壳体的基座环,并且旋转以允许将流体端口定位在操作者壳体中。 操作员外壳可以拆卸和更换,而不改变阀盖杆漂移调整。 顶轴从操作者壳体延伸并相对于发动机盖杆旋转以防止从顶轴到发动机罩杆的扭矩传递。 可替换的密封盒密封地支撑顶轴以在操作者壳体内轴向移动。