An actuation and traction system for a pedal-actuated electric vehicle comprises an electric motor (30), a transmission comprising an epicyclic device and a variable speed drive actuated independently of the pedals.The variable speed drive comprises an actuator (106) that discretizes the ratio, and two expandable pulleys (108, 110). The actuation and traction system further comprises an integrated board provided with devices for actuating the control software with sensor management, in which the integrated board is adapted to control the electric motor (30) based on the signals received from said sensors.The actuation and traction system further comprises a pinion (35) positioned outside the casing (1, 7) for transmitting the motion from the pedals or electric motor (30) to the wheel of the electric vehicle. In particular, the pinion (35) and said variable speed drive are positioned coaxially on the pedal axis (A) and the motion transmission between the pedals and the wheel of the electric vehicle occurs through the kinematic chain that comprises the epicyclic device and the variable speed drive.Finally, the transmission of the motion between the electric motor (30) and the pinion (35) occurs through a cascade of gears adapted to obtain the desired transformation ratio between the electric motor (30) that rotates at high speed, and the pinion (35) that actuates the chain for transmitting motion to the wheel of the electric vehicle.The actuation and traction system comprises a casing (1, 7) for containing therein the electric motor (30) and the transmission comprising the epicyclic device and the variable speed drive. The pinion (35) is positioned outside said casing (1, 7). This solution can be used in an electric bicycle, electric tricycle, or electric quadricycle.


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    Titel :

    ACTUATION SYSTEM FOR A PEDAL-ACTUATED ELECTRIC VEHICLE


    Weitere Titelangaben:

    BETÄTIGUNGSSYSTEM FÜR EIN PEDALBETÄTIGTES ELEKTROFAHRZEUG
    SYSTÈME D'ACTIONNEMENT POUR UN VÉHICULE ÉLECTRIQUE À PÉDALE


    Beteiligte:

    Erscheinungsdatum :

    2024-04-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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