The invention relates to a propulsion device (1) for a vertical take-off and landing rotary-wing aerodyne, by means 5 of coaxial contra-rotating propellers. This device includes a hollow frame (5) and two propellers (2, 3) each having a blade carrier ring (6) carrying the fixed pitch blades (4). Drive means (14) drive in rotation each propeller about its axis of rotation, and tilt control means (22) tilt the propellers about 10 the roll axis (A2) and the pitch axis (A3). The blade carrier ring (6) of each propeller is connected to the drive means (14) by a pin spherical joint (13) connection and the drive means include, for each propeller, a torque motor (14), the rotor (14a) of which is secured to a cage (10) on which is 15 secured the spherical joint (13) on which the blade carrier ring (6) of the respective propeller pivots, the stator (14b) of the torque motor (14) being secured to the frame (5). [Fig. 1] AlA Fig. 1 [Fig. 2] 13 Al1 15 13 10 16a A 1540 1 39a 26 - 25 1 14b 1417 | a 313 pca N8 31 34 b 31 ---7 31 414a 5b 414b 12b s1 25 2\ A2n A'3 \ 16b . . 39b 7 39a 13 - 15 j 40 1 2 6 116a Fig. 2


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    Title :

    Propulsion device for vertical take-off and landing rotary-wing aerodyne, and aerodyne comprising at least one such propulsion device


    Contributors:

    Publication date :

    2024-03-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge