Patent ID: 7661320
Filing Date: 2010-02-16
Classification: F16C,G01L,G01M

Abstract:
1. A bearing comprising a fixed race, a rotating race and at least a row of rolling bodies positioned in a raceway which is formed between said races so as to allow their relative rotation, said rolling bodies being equally distributed in the raceway with an angular separation λ, said bearing comprising at least a system for determining the amplitude A of the pseudo-sinusoidal deformations of an area of the fixed race that are induced during rotation, said bearing being characterised in that the determination system includes: three strain gauges, each delivering a signal depending on the deformation sustained by said gauge, said gauges being equally distributed on said area with a spacing equal to λ/4; a device for measuring three signals V a device for calculating the amplitude A of the deformations of the area as a function of time, said device being designed to calculate the expression SIN