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    • 3. 发明申请
    • ELECTRIC BICYCLE TRANSMISSION SYSTEMS, METHODS, AND DEVICES
    • 电动自行车传动系统,方法和装置
    • WO2016130833A1
    • 2016-08-18
    • PCT/US2016/017593
    • 2016-02-11
    • CIVILIZED CYCLES INCORPORATED
    • SCHIEFFELIN, Zachary
    • B62M6/40B62M6/45B62M23/02B60L11/18B62M9/06F16H7/06
    • B60W30/181B60W10/08B60W10/11B60W2510/104B60W2520/28B60W2710/081B60W2710/1005B60W2710/1038B62J99/00B62J2099/0013B62M6/45B62M9/04B62M9/122B62M9/132B62M25/08F16D41/24F16H7/06
    • A derailleur-based electronic transmission system for an electric bicycle comprises a wheel; a driven sprocket set coupled to the wheel via at least a first one-way clutch, the driven sprocket set comprising two or more concentric sprockets of different effective diameters; a drive chain configured to engage the driven sprocket set; an electronically controllable derailleur configured to move the drive chain among the two or more sprockets; a pedal crank configured to cause rotation of the driven sprocket set by providing a user pedal force to the driven sprocket set through at least a second one-way clutch and the drive chain; a motor configured to cause rotation of the driven sprocket set by providing an electromechanical force to the driven sprocket set through at least a the drive chain; and an electronic controller configured to, responsive to a determination that a shift should occur at a time when neither the pedal crank nor the motor is causing rotation of the driven sprocket: operate the motor to rotate the driven sprocket at a rotational speed less than or equal to a current rotational speed of the wheel; and operate the derailleur to cause the shift to occur while the driven sprocket is being rotated by the motor.
    • 一种用于电动自行车的基于拨链器的电子传输系统包括一个车轮; 主动链轮组,其经由至少第一单向离合器联接到所述车轮,所述从动链轮组包括两个或更多个不同有效直径的同心链轮; 驱动链,其构造成接合所述从动链轮组; 电子可控拨链器,其构造成在所述两个或更多个链轮中移动所述驱动链; 踏板曲柄,其构造成通过通过至少第二单向离合器和所述驱动链向所述从动链轮组提供用户踏板力而引起所述从动链轮组的旋转; 该马达构造成通过至少一个所述驱动链向所述从动链轮组提供机电力而使所述从动链轮组旋转; 以及电子控制器,其被配置为响应于在踏板曲柄和电动机都不会引起从动链轮的旋转的时刻发生变化的判断:操作电动机以使转动速度小于或等于 等于车轮的当前转速; 并且当从动链轮被电动机旋转时,操作拨链器以使换档发生。