A propeller device for a marine vehicle with a main shaft; a front propeller is provided on the main shaft, the front propeller having a hub and a plurality of blades extending radially outwardly from the hub; a rear propeller being co-axially to and spaced from the front propeller, the rear propeller having a hub and a plurality of blades extending radially outwardly from the hub. A second shaft being communicated with the hub of the front propeller; and at least one support for supporting the rear propeller on the second shaft, the support prevents the second shaft to rotate in the direction of rotation of the main shaft, and being free to rotate thereof in the counter direction of rotation of the main shaft.


    Access

    Download


    Export, share and cite



    Title :

    Torque boosting propeller device


    Contributors:

    Publication date :

    2018-01-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    Torque Boosting Propeller Device

    ULGEN MEHMET NEVRES | European Patent Office | 2015

    Free access

    Torque boosting propeller device

    ÜLGEN MEHMET NEVRES | European Patent Office | 2019

    Free access

    UNIDIRECTIONAL TORQUE BOOSTING PROPELLER

    ULGEN MEHMET NEVRES | European Patent Office | 2019

    Free access

    UNIDIRECTIONAL TORQUE BOOSTING PROPELLER

    ÜLGEN MEHMET NEVRES | European Patent Office | 2019

    Free access

    Unidirectional torque boosting propeller

    ULGEN MEHMET NEVRES | European Patent Office | 2020

    Free access