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    • 1. 发明申请
    • Apparatus for pipeline isolation
    • 管道隔离装置
    • US20050241710A1
    • 2005-11-03
    • US10503822
    • 2003-02-10
    • Ciaran EarlyEric GageDouglas McTavishJames Early
    • Ciaran EarlyEric GageDouglas McTavishJames Early
    • F16L55/10F16L55/128H04B7/26
    • F16L55/1283F16L2101/70
    • An apparatus for pipeline isolation comprising a pipeline isolation tool (1) having a cylindrical vessel with locking grips (21) and sealing member (19) encircling the cylindrical vessel. The locking grips (21) and sealing members (19) are operable by a hydraulic piston (10) contained within a core of the cylindrical vessel and a hydraulic pump for operating the piston (10). The piston (10) is a double rodded acting piston (10) comprising an elongated shaft and a head centrally located on the shaft so that the volume swept by the piston (10) is equal in both directions. A control module (32) is connected to the isolation tool (1) at one end and a gauging tool (33) is connected to the other end of the isolation tool (1).
    • 一种用于管道隔离的设备,包括具有圆形容器的管道隔离工具(1),所述管道隔离工具(1)具有围绕所述圆柱形容器的锁定把手(21)和密封构件(19)。 锁定夹具(21)和密封构件(19)可通过容纳在圆柱形容器的芯部内的液压活塞(10)和用于操作活塞(10)的液压泵来操作。 活塞(10)是双杆式活塞(10),其包括细长轴和位于轴上的中心的头部,使得由活塞(10)扫过的体积在两个方向上相等。 控制模块(32)在一端连接到隔离工具(1),并且测量工具(33)连接到隔离工具(1)的另一端。