Electric power-assisted bicycle and drive system therefor
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United States of America Patent
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Apr 2, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jun 27, 2017
filing date -
Jun 28, 2016
priority date (Note) -
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Abstract
An electric power-assisted bicycle, comprising: a torque sensor for detecting pedaling force applied to the pedal; an inclination angle sensor for detecting rocking of the bicycle body in a lateral direction; an electric motor that assists drive of a drive wheel driven by pedaling of the rider; and a controller that controls the electric motor based on the pedaling force. The controller has a first mode and a second mode as control modes of the electric motor. The second mode is executed when the controller determines that the rider pedals the bicycle while rocking the bicycle body in the lateral direction. The controller executes different control in the second mode from that in the first mode to assist the drive of the drive wheel.
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