首页> 外国专利> Free wheel hub with magnetoelastic sensor, and bicycle, electric assist bicycle, high speed electric assist bicycle, or electric bicycle with free wheel hub

Free wheel hub with magnetoelastic sensor, and bicycle, electric assist bicycle, high speed electric assist bicycle, or electric bicycle with free wheel hub

机译:具有磁弹性传感器的自由轮毂,自行车,电动助力自行车,高速电动助力自行车或具有自由轮毂的电动自行车

摘要

A freewheel hub and a bicycle, pedelec, fast pedelec or e-bike comprising this freewheel hub is provided. The freewheel hub comprises a rotating hub shell for carrying a free running wheel. Torque is coupled to the rotating hub shell via a torque transmitting member. At least one magneto-elastically active region is directly or indirectly attached to or forms a part of the torque transmitting member in such a manner that the applied torque is transmitted to the active region comprising at least one magnetically polarized region. The magnetic polarization becomes increasingly helically shaped as the applied torque increases. A magneto-elastic sensor means having at least one magnetic field sensor is arranged proximate to the at least one magneto-elastically active region for outputting a signal corresponding to a torque-induced magnetic flux emanating from the magnetically polarized region.
机译:提供了一种飞轮毂以及包括该飞轮毂的自行车,电动脚踏车,快速电动脚踏车或电动自行车。飞轮毂包括用于承载飞轮的旋转毂壳。扭矩通过扭矩传递构件耦合到旋转的轮毂壳。至少一个磁弹性作用区域直接或间接地附接到扭矩传递构件或形成扭矩传递构件的一部分,使得所施加的扭矩被传递到包括至少一个磁极化区域的活动区域。随着施加扭矩的增加,磁极化变得越来越螺旋形。具有至少一个磁场传感器的磁弹性传感器装置靠近至少一个磁弹性有效区域布置,用于输出与从磁极化区域发出的转矩感应磁通量相对应的信号。

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