| 摘要 |
An electrically assisted, power steering system for motor vehicles having an input shaft ( 6 ) connected to a pinion shaft ( 2 ) by a torsionally elastic member ( 5 ) is supported in a steering housing ( 1 ) by a rolling bearing. The rolling bearing is formed as an elastic, flexible roller bearing ( 13 ), whose cylinder rollers ( 13.5, 13.6 ) have at least at one peripheral position an elastically deformable cylinder roller ( 13.6 ), having a diameter that is slightly greater than a diameter of the other cylinder rollers ( 13.5 ). In this way, an exact guidance of the input shaft ( 6 ) is achieved, so that the applied steering torque can be used accurately by an evaluation unit ( 15 ) for controlling the servo motor ( 7 ).
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