This propeller propulsion apparatus for a ship includes a first propeller, a second propeller disposed coaxially with the first propeller and rotating in a direction opposite to the first propeller, a first electric motor configured to drive the first propeller, a second electric motor configured to drive the second propeller, a control unit configured to control each of the first electric motor and the second electric motor, and a memory unit configured to store a combination of rotational frequencies of the first propeller and the second propeller at each vessel speed where total power consumption of the first electric motor and the second electric motor is an optimum value, and the control unit controls the first electric motor and the second electric motor on the basis of the data of the memory unit such that the total power consumption at each vessel speed is the optimum value during an operation of a ship.


    Access

    Download


    Export, share and cite



    Title :

    PROPELLER PROPULSION APPARATUS FOR SHIP


    Contributors:

    Publication date :

    2024-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    PROPELLER FOR SHIP PROPULSION APPARATUS

    KANEHARA AKITOSHI | European Patent Office | 2020

    Free access

    SHIP PROPULSION PROPELLER

    SAKAMOTO HIROKI | European Patent Office | 2019

    Free access

    NOVEL PROPULSION PROPELLER FOR SHIP

    WANG XIANGLAI / WANG TONG / JI WEI | European Patent Office | 2022

    Free access

    Multistage propeller ship propulsion device

    LI GECHEN / CHENG CONGBIN / MIAO LIJIE et al. | European Patent Office | 2020

    Free access

    Propulsion apparatus for ship used counter rotating propeller

    LEE DOU YEONG / YU JIN YEOL | European Patent Office | 2019

    Free access