Object To provide a bicycle with an auxiliary power unit that improves positional stability of a torque sensor and inhibits the position of the sensor from being misaligned. Solving Means A power-assisted bicycle includes: an annular hollow member (72) inserted over an outer periphery of a crankshaft (38); and a one-way clutch (78), disposed on the hollow member (72), for transmitting, when a pedaling torque in a direction in which the power-assisted bicycle travels in a forward direction is applied to the crankshaft (38), the pedaling torque to a rear wheel. In the power-assisted bicycle, a magnetic film (84) is formed in a recess (110) disposed in an outer periphery of the hollow member (72); and a magnetostrictive torque sensor (80) is positioned and fixed by a support member (82) for supporting the magnetostrictive torque sensor (80) rotatably relative to the annular hollow member (72) at both ends of the recess (110) such that the magnetostrictive torque sensor (80) faces the magnetic film (84) in the recess (110).


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    Titel :

    Bicycle with auxiliary power unit


    Weitere Titelangaben:

    Fahrrad mit Hilfsantrieb
    Bicyclette dotée d'une unité de puissance auxiliaire


    Beteiligte:
    KUROKI MASAHIRO (Autor:in) / IKEGAMI KENTARO (Autor:in)

    Erscheinungsdatum :

    31.10.2018


    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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