Motor vehicles – Steering gear – With electric power assist
Reexamination Certificate
2006-04-25
2006-04-25
Hurley, Kevin (Department: 3611)
Motor vehicles
Steering gear
With electric power assist
C384S567000
Reexamination Certificate
active
07032704
ABSTRACT:
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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Wagner Jörg
Zernickel Alexander
Hurley Kevin
INA-Schaeffler KG
Volpe and Koenig P.C.
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