PROBLEM TO BE SOLVED: To provide a water jet propulsion equipment capable of reducing detachment of flow generated in a flow channel.SOLUTION: A waterjet propulsion equipment 10 of this invention includes: an impeller 12a for rotating around a rotational shaft 11; a mainstream flow channel 13 having an inclined flow channel 13A opening on a bottom surface 101 of the waterborne navigation body and extending so as to be inclined with respect to the direction of extention of the rotational shaft 11, and a straight flow channel 13C connected to the inclined flow channel 13A through a curved unit 13B and guiding fluid to the impeller 12a; and a suction flow channel 14 connected to the inclined flow channel 13A and discharging one portion of the fluid flowing through the main stream flow channel 13 outside.SELECTED DRAWING: Figure 2

    【課題】管路内で発生する流れの剥離を低減させることが可能な、ウォータージェット推進器を提供する。【解決手段】本発明のウォータージェット推進器10は、回転軸11周りに回転するインペラ12aと、水上航行体の底面101で開口し、回転軸11の延びる方向に対して傾斜して延びる傾斜流路13A、および傾斜流路13Aと曲がり部13Bを介して接続され、インペラ12aに流体を導入するストレート流路13C、を有する主流管路13と、傾斜流路13Aに接続され、主流管路13を流通する流体の一部を外部に排出する吸入管路14と、を備えている。【選択図】図2


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    Title :

    WATER JET PROPULSION EQUIPMENT, WATERBORNE NAVIGATION BODY


    Additional title:

    ウォータージェット推進器、水上航行体


    Contributors:

    Publication date :

    2018-08-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING




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