To provide a marine propeller propulsion device for feeding an effective supply amount of gas to rear of a marine screw propeller.SOLUTION: A marine propeller propulsion device 1A includes: a double axis shaft 2A enabling feeding of gas to a draft air duct 23a provided in between an outer periphery surface of an inner shaft 21a and an inner periphery surface of an outer axis shaft 22a; one or more propellers 3A coupled to and rotated with the double axis shaft 2A; and a slidable baffle 4A provided to enable opening and closing a discharge port 212a of the draft air duct 23a on an end edge side of the double axis shaft 2A.SELECTED DRAWING: Figure 1

    【課題】船舶スクリュープロペラの後方に効果的な供給量の気体を送り込む船舶用プロペラ推進装置を提供する。【解決手段】実施形態の船舶用プロペラ推進装置1Aは、内軸シャフト21aの外周面と外軸シャフト22aの内周面との間に設けられた送風路23aに気体を送風可能とする2重軸シャフト2Aと、2重軸シャフト2Aに結合されて回転する1又は複数のプロペラ3Aと、2重軸シャフト2Aの後端側の送風路23aの吐出口212aを開口及び閉塞可能に設けられた、スライド可能な邪魔板4Aとを備えている。【選択図】図1


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    Title :

    MARINE PROPELLER PROPULSION DEVICE


    Additional title:

    船舶用プロペラ推進装置


    Contributors:
    LI SU-NAM (author)

    Publication date :

    2022-10-21


    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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