1–3 von 3 Ergebnissen
|

    Intelligent management system for coal mine operation

    Freier Zugriff
    FAN YANZE / LI HUI / ZHAO LEI et al. | Europäisches Patentamt | 2024

    The invention relates to the technical field of coal mine operation management, in particular to an intelligent management system for

     ...

    Explosion-proof new energy permanent magnet intelligent unmanned electric locomotive

    Freier Zugriff
    ZHANG MING | Europäisches Patentamt | 2020

    The invention relates to the technical field of underground coal mine transportation, and particularly relates to an explosion-proof new

     ...

    Gravity energy storage system for abandoned coal mine and arrangement method

    Freier Zugriff
    YANG YANQUN / LIU QINJIE / ZHOU JINGJUN et al. | Europäisches Patentamt | 2023
    underground storage and transportation system, a ground storage and transportation system and a vertical transportation system. An intelligent micro ...