A wingsail for a powered watercraft comprising a first aerofoil element, a second aerofoil element, and a third aerofoil element, wherein each of the aerofoil elements is rotatable about an axis and has an aerofoil section with a centre of area which is closer to its leading edge than its trailing edge, and the aerofoil elements are movable to a configuration in which flow from the trailing edge of one of the first or third element is directed toward the leading edge of the second element, and flow from the trailing edge of the second element is directed toward the leading edge of the other of the first or third element.


    Access

    Download


    Export, share and cite



    Title :

    推進デバイス


    Publication date :

    2024-05-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



    デバイス

    European Patent Office | 2024

    Free access

    表示デバイス

    European Patent Office | 2017

    Free access

    光学デバイス

    European Patent Office | 2019

    Free access

    取付デバイス

    European Patent Office | 2017

    Free access

    電気デバイス

    European Patent Office | 2017

    Free access