The invention provides a propeller device (10) for aircraft, spacecraft or watercraft comprising two or more blades (11) and a spinner (21). The blades (11) are arranged on a hub (13) so that they can be in a deployed or a retracted position. The spinner (21) comprise first, second and third movable portions (23, 25, 27) configured for allowing deploying or retracting the blades (11) and for keeping the blades (11) deployed or retracted.


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    Title :

    RETRACTABLE PROPELLER DEVICE FOR AIRCRAFT, SPACECRAFT OR WATERCRAFT


    Additional title:

    EINKLAPPBARE PROPELLERVORRICHTUNG FÜR FLUGZEUG, RAUMFAHRZEUG ODER WASSERFAHRZEUG
    DISPOSITIF À HÉLICE RÉTRACTABLE POUR AÉRONEF, ENGIN SPATIAL OU NAVIRE


    Contributors:

    Publication date :

    2018-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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