Patent ID: 8021052
Filing Date: 2011-09-20
Classification: B60B,F16C,G01L

Abstract:
1. A sensor equipped wheel support bearing assembly for rotatably supporting a vehicle wheel relative to a vehicle body structure, comprising: an outer member having an inner periphery formed with a plurality of rows of raceway surfaces; an inner member having an outer periphery formed with raceway surfaces in face-to-face relation with the raceway surfaces in the outer member; and a plurality of rows of rolling elements interposed between those raceway surfaces, respectively, wherein one of the outer member and the inner member, which serves as a stationary member, has a vehicle body fitting flange having vehicle body fitting holes defined therein and a spacer is provided between a portion of the vehicle body fitting flange around each of the vehicle body fitting holes and a knuckle forming a part of a suspension system in the vehicle body structure, with a gap formed between respective opposed surfaces of the stationary member and the knuckle when the spacer is excluded, wherein the stationary member and the knuckle are held in contact with each other through the respective spacer, wherein a sensor unit including a sensor mounting member and a strain sensor mounted on the sensor mounting member is fitted to the stationary member, and wherein the sensor mounting member has at least two contact fixing portion fixed to the stationary member and also has at least one recess between the neighboring contact fixing portion, with the strain sensor arranged in this recess.