A ship propulsion machine includes: a power unit; a propeller; and a drive shaft. The power unit includes: a first motor including a first motor shaft; a second motor including a second motor shaft; and a power switching device configured to switch a mode between a mode in which the first motor shaft and the second motor shaft are connected and a mode in which the first motor shaft and the second motor shaft are disconnected. The first motor and the second motor are arranged in an upper portion of the ship propulsion machine, the first motor shaft, the second motor shaft, and the drive shaft extend vertically, the second motor is arranged above the first motor, an upper portion of the drive shaft is connected to the first motor shaft, and the power switching device is arranged between the first motor and the second motor.


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    Title :

    SHIP PROPULSION MACHINE


    Contributors:
    UEDA YORITOMO (author) / SAIJO KENJI (author) / ITO JUN (author) / MATSUMOTO SHINGO (author)

    Publication date :

    2025-05-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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