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发明授权
US07320257B2 Load measuring device for rolling bearing unit and load measuring rolling bearing unit 有权
滚动轴承单元负载测量装置和负载测量滚动轴承单元

Load measuring device for rolling bearing unit and load measuring rolling bearing unit
摘要：
Revolution speeds nca, nib of rolling elements 9a, 9b are sensed by a pair of revolution speed sensors 21a, 21b. Also, a rotational speed ni of a hub 2 is sensed by a rotational speed sensor 15b. A sum “nca+ncb” or a difference “nca−nib” the revolution speeds of rolling elements 9a, 9b in double rows is calculated based on sensed signals of the revolution speed sensors 21a, 21b, and then a ratio “nca+nib/ni” or “nca−ncb/ni” of this sum or difference to the rotational speed ni is calculated. Then, the radial load or the an axial load is calculated based on the ratio “nca+ncb/ni” or “ca−nib/ni”.
摘要（中）：

一对转速传感器21a，21b检测出滚动元件9a，9b的转速，转速，nb， 此外，轮毂2的旋转速度n 1 i由转速传感器15b感测。 总和“n + n”cb“或差异”n 基于转速传感器21a，21b的感测信号来计算双列中的滚动元件9a，9b的速度，然后比较“n / SUB“b / ni”或“n”或“n”或“n”之间的差值与转速n < SUB> i 。 然后，径向载荷或轴向载荷基于“n”/“n”或“ -n＆lt; ib＆gt; / ni“。

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