Each propulsion unit of the drone comprises a propeller (20) and a rotary-cage synchronous electric motor whose stator is connected to the drone body. The propulsion unit in of the gearless type, the rotor of the motor being rotationally integral with the propeller hub (24). The rotor is integral with an upper flange (56) extending in a radial plane with respect to the axis of rotation. Reversible means are provided for the fast coupling of the propeller to the rotor, implementing studs (62) with an enlarged head (66) formed on the flange, which cooperate with homologous curvilinear buttonholes (32) formed on the hub. The switching from the decoupled position to the locked position is operated by relative rotation of the propeller hub with respect to the flange by a fraction of a turn, in an opposite direction with respect to the direction of rotation of the motor.


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    Titel :

    Rotary-wing drone with gearless-drive and fast-mounting propellers


    Beteiligte:

    Erscheinungsdatum :

    07.06.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge / A63H Spielzeuge, z.B. Kreisel, Puppen, Reifen, Baukästen , TOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS



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