A propulsion device including an unducted upstream propeller and a counter-rotating and coaxial downstream propeller. At least one blade of the upstream propeller is configured to generate a corotating secondary vortex for acting upstream of the downstream propeller to destabilize a blade tip vortex of the same at least one blade.


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    Title :

    DISPOSITIF DE PROPULSION A HELICES CONTRAROTATIVES ET COAXIALES NON-CARENEES


    Additional title:

    PROPULSION DEVICE HAVING UNDUCTED COUNTER-ROTATING AND COAXIAL ROTORS
    ANTRIEBSVORRICHTUNG MT UNGEFÜHRTEN GEGENDREHUNGS- UND KOAXIALROTOREN



    Publication date :

    2016-09-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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