| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a bearing for a wheel with a sensor, capable of facilitating calibration work of setting a correction coefficient used for load estimation when assembling a vehicle, and accurately detecting a load applied to a wheel bearing part. <P>SOLUTION: For the bearing for the wheel, a rolling body 5 is interposed between double row rolling contact surfaces 3 and 4 facing each other of an outer member 1 and an inner member 2. A fixed side member of the outer member 1 and the inner member 2 is provided with three or more sensors units 20. The sensor unit 20 comprises a distortion generation member 21 having two or more contact fixation parts to be brought into contact and fixed to the fixed side member, and one or more sensors attached to the distortion generation member 21 to detect distortion of the distortion generation member 21. Load estimation means 32 is provided, and a correction coefficient at each wheel position derived beforehand is registered therein. By the load estimation means 32, the load applied to the wheel is estimated by output of the sensor units 20 and the correction coefficient. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
