1–6 von 6 Ergebnissen
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    Tensioning device and tensioning method for steel wire rope of cage guide of ultra-deep vertical shaft

    Freier Zugriff
    ZHU ZHENCAI / CHEN XIAO / CAO GUOHUA et al. | Europäisches Patentamt | 2017

    Device for detecting swing of steel wire-rope of vertical shaft cage guide

    Freier Zugriff
    CHEN XIAO / ZHU ZHENCAI / LI WEI et al. | Europäisches Patentamt | 2018

    Horizontally movable vertical shaft rope guide and regulating method thereof

    Freier Zugriff
    ZHU ZHENCAI / CAO GUOHUA / WANG YANDONG et al. | Europäisches Patentamt | 2018

    Track synchronization moving apparatus of wellbore inspection system and control method thereof

    Freier Zugriff
    ZHOU GONGBO / TANG CHAOQUAN / ZHU ZHENCAI et al. | Europäisches Patentamt | 2021

      TRACK SYNCHRONIZATION MOVING APPARATUS OF WELLBORE INSPECTION SYSTEM AND CONTROL METHOD THEREOF

      Freier Zugriff
      ZHOU GONGBO / TANG CHAOQUAN / ZHU ZHENCAI et al. | Europäisches Patentamt | 2021

    RELIABILITY ROBUST DESIGN METHOD FOR MULTIPLE FAILURE MODES OF ULTRA-DEEP WELL HOISTING CONTAINER

    Freier Zugriff
    LU HAO / ZHU ZHENCAI / ZHOU GONGBO et al. | Europäisches Patentamt | 2021

    DYNAMIC IDENTIFICATION AND CONTROL PARAMETER RE-CORRECTION SYSTEM AND METHOD

    Freier Zugriff
    LI WEI / SHENG LIANCHAO / WANG YUQIAO et al. | Europäisches Patentamt | 2021