Hydraulically released window mill
    1.
    发明授权
    Hydraulically released window mill 有权
    液压式开窗机

    公开(公告)号:US07878253B2

    公开(公告)日:2011-02-01

    申请号:US12396986

    申请日:2009-03-03

    IPC分类号: E21B7/08 E21B23/12

    摘要: An affixation and release arrangement includes a first component having a fluid pressure chamber. A piston is mounted in the first component and exposed to the fluid pressure chamber. A second component is affixed to the first component through the piston, the piston being responsive to fluid pressure increase within the chamber to unaffix the second component from the first component.

    摘要翻译: 附加和释放装置包括具有流体压力室的第一部件。 活塞安装在第一部件中并暴露于流体压力室。 第二部件通过活塞固定到第一部件上,活塞响应于腔室内的流体压力增加,以使第二部件与第一部件不混合。