Patent ID: 8307931
Filing Date: 2012-11-13
Classification: B60G,B60K,B60L,B60T,F16D,Y02T

Abstract:
1. A sensor equipped axle unit having an in-wheel type motor built therein, comprising: a train of component parts comprising a hub bearing assembly comprising an outboard segment supporting a vehicle driven wheel of an automotive vehicle fitted thereto, an electric motor, a reduction gear unit to reduce rotation of the electric motor and transmit it to the hub bearing assembly, and a brake assembly, the train of component parts all being arranged coaxially on a center axis of a vehicle drive wheel; and sensors to measure forces acting at a point of contact of the vehicle drive wheel and a road surface in three axis directions perpendicular to each other, respectively, from the status of at least one component part of the train of component parts, wherein the sensors comprise