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    Propeller model and cavitation test method

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    WU XIAOPING | European Patent Office | 2024

    The invention belongs to the technical field of propellers, and discloses a propeller model and a cavitation test method. The propeller

     ...

    Research on propeller cavitation wake characteristics based on multivariate statistical modeling method

    Zhou, Kun / Zhu, Zhifeng / Wang, Bing et al. | SAGE Publications | 2024
    RANS equations of the underwater propeller wake field are constructed, and numerically solved by combining the cavitation model and the ...
    Keywords: Propeller cavitation

    Propeller with vortex generator

    Free access
    YE HAIBIN / CHEN SHULING | European Patent Office | 2024
    cavitation of the propeller can be inhibited and weakened. ...

    Real ship propeller performance pre-judgment method

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    LIU HENG / ZHANG YANFEI / WANG BENLONG | European Patent Office | 2024
    propeller model test data, performing Fourier transform to obtain pressure amplitudes at first five stages of blade frequencies, and obtaining a ...

    Pull-type full-revolving propeller and control system and method thereof

    Free access
    LUO XIAOYUAN / ZHANG JIAN / SHI ZHISAI et al. | European Patent Office | 2024
    propelling efficiency of the propeller is effectively improved, the probability of cavitation generation is reduced, noise and vibration induced by ...

    Impeller blade tip end wing of water-jet propeller

    Free access
    DONG XINGUO / LIN HUI / WANG RENZHI et al. | European Patent Office | 2024
    flow of the blade tips is achieved, cavitation bubbles are delayed, the cavitation bubble performance of the propeller is improved, and ...

    Water-jet propeller impeller with detachable sawtooth front edge

    Free access
    WANG JIANQIANG / WAN CHURUI / DU DONGMEI et al. | European Patent Office | 2024
    cavitation of the impeller, improving the cavitation bubble form and improving the net positive suction head of the impeller are achieved. The range ...

    Wake flow bubble suppression device for underwater vehicle propeller

    Free access
    GUO CHUNYU / MENG RUN / HAN YANG et al. | European Patent Office | 2024
    channel, and bubble wake flow generated by cavitation of the propeller is inhibited. According to the method, the wake flow bubble characteristics ...

    SYSTEM FOR REDUCING BLADE TIP VORTEX CAVITATION BY CONTROLLING MASS FLOW

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    LEE JAE HYUNG / GO YEONG JU | European Patent Office | 2024
    ship across the sea by forming a plurality of flow holes in the propeller blades and controlling mass flow through the plurality of flow holes ...

    Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation

    Free access
    SCHERER III JOHN O / KOEPSEL ROGER E / GUNDERSON ANDREW C | European Patent Office | 2022
    propeller shaft assembly that extends forwardly from the gearcase; coupling front and rear propellers to the propeller shaft assembly, forwardly of ...

      Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation

      Free access
      SCHERER III JOHN O / KOEPSEL ROGER E / GUNDERSON ANDREW C | European Patent Office | 2023
      propeller shaft assembly that extends forwardly from the gearcase; coupling front and rear propellers to the propeller shaft assembly, forwardly of ...

      Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation

      Free access
      SCHERER III JOHN O / KOEPSEL ROGER E / GUNDERSON ANDREW C | European Patent Office | 2024
      propeller shaft assembly that extends forwardly from the gearcase; coupling front and rear propellers to the propeller shaft assembly, forwardly of ...

    Novel annular propeller structure based on gas-liquid two-phase flow

    Free access
    ZHENG XIN / WANG CHAO / ZHANG SHUO et al. | European Patent Office | 2024
    generated; due to the fact that no propeller exists, the influence of the cavitation erosion phenomenon is greatly reduced, and the performance of ...

    用于半浸桨船舶的螺旋桨及半浸桨船舶

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    European Patent Office | 2024

    Underwater detector

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    ZHUO YUNDONG / ZHOU ZHITAN / XIONG WENTING et al. | European Patent Office | 2024

    The underwater detector comprises a detector body and a propeller, and the propeller is fixed to the side face of the detector body

     ...

    一种导管的设计方法以及船用螺旋桨导管

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    European Patent Office | 2024

    一种基于变形特斯拉阀的水下运动装置

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    European Patent Office | 2024

    Propeller capable of reducing sailing resistance and eliminating cavitation bubbles

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    WU GUANGSHUN | European Patent Office | 2023

    The invention provides a voyage resistance reducing and cavitation eliminating type propeller which comprises a blade spindle 2 fixed to

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    Guide pipe structure for inhibiting cavitation of tip vortex of propeller and propelling device

    Free access
    YU HAITING / HAN HANQIAO / AI XUAN et al. | European Patent Office | 2023
    , and accordingly effectively delay primary cavitation of the tip vortexes of the propeller blade. In addition, after the guide pipe structure ...

    Numerical and experimental investigation of the quasi-cavitation effect on a ducted Propeller for ROV

    Zhandong, Li / Shuang, Ma / Jianguo, Tao et al. | SAGE Publications | 2023
    the mathematical model and the thrust characteristics of a ducted propeller under the quasi-cavitation effect by a numerical method. Firstly ...
    Keywords: quasi-cavitation effect , Ducted propeller