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    • 2. 发明申请
    • DUAL SEAL FIRE SAFE STEM PACKING ORIENTATION
    • 双密封防火安全包装方向
    • US20150144823A1
    • 2015-05-28
    • US14090026
    • 2013-11-26
    • GE Oil & Gas Pressure Control LP
    • Andrew Browne HelvenstonRobert Kevin LawMark Anthony ViatorKeith AdamsRolando Farinas
    • F16K41/04
    • F16K41/04F16K3/0236Y10T137/6069
    • A valve with a packing assembly includes a valve body assembly with a bore, a valve member moveable between an open position and a closed position, and a valve stem coupled to the valve member. A first stem packing circumscribes a portion of the valve stem, and is located in an upper bore portion of the bore. A first packing retainer has a collar that limits axial movement of the first stem packing, and also has a first retainer body defining an inner cavity. A second stem packing circumscribes a portion of the valve stem and is located in the inner cavity of the first packing retainer. A second packing retainer has a neck compressingly engaging the second stem packing, and a retainer shoulder that engages the first packing retainer. A retaining assembly is coupled with the valve body assembly for applying axial force to the second packing retainer.
    • 具有包装组件的阀包括具有孔的阀体组件,可在打开位置和关闭位置之间移动的阀构件以及联接到阀构件的阀杆。 第一杆包装限定了阀杆的一部分,并且位于孔的上孔部分中。 第一填料保持器具有限制第一阀杆密封件的轴向运动的轴环,并且还具有限定内腔的第一保持器主体。 第二阀杆包装限定阀杆的一部分并且位于第一密封件保持器的内腔中。 第二包装保持器具有压缩地接合第二杆衬垫的颈部和与第一包装保持器接合的保持器肩部。 保持组件与阀体组件联接,用于向第二填料保持器施加轴向力。
    • 5. 发明授权
    • Dual seal fire safe stem packing orientation
    • 双密封防火安全杆包装方向
    • US09347585B2
    • 2016-05-24
    • US14090026
    • 2013-11-26
    • GE Oil & Gas Pressure Control LP
    • Andrew Browne HelvenstonRobert Kevin LawMark Anthony ViatorKeith AdamsRolando Farinas
    • F16K3/02F16K41/04
    • F16K41/04F16K3/0236Y10T137/6069
    • A valve with a packing assembly includes a valve body assembly with a bore, a valve member moveable between an open position and a closed position, and a valve stem coupled to the valve member. A first stem packing circumscribes a portion of the valve stem, and is located in an upper bore portion of the bore. A first packing retainer has a collar that limits axial movement of the first stem packing, and also has a first retainer body defining an inner cavity. A second stem packing circumscribes a portion of the valve stem and is located in the inner cavity of the first packing retainer. A second packing retainer has a neck compressingly engaging the second stem packing, and a retainer shoulder that engages the first packing retainer. A retaining assembly is coupled with the valve body assembly for applying axial force to the second packing retainer.
    • 具有包装组件的阀包括具有孔的阀体组件,可在打开位置和关闭位置之间移动的阀构件以及联接到阀构件的阀杆。 第一杆包装限定了阀杆的一部分,并且位于孔的上孔部分中。 第一填料保持器具有限制第一阀杆密封件的轴向运动的轴环,并且还具有限定内腔的第一保持器主体。 第二阀杆包装限定阀杆的一部分并且位于第一密封件保持器的内腔中。 第二包装保持器具有压缩地接合第二杆衬垫的颈部和与第一包装保持器接合的保持器肩部。 保持组件与阀体组件联接,用于向第二填料保持器施加轴向力。