Steering mechanism with planetary gear system and drive for impressing specific hand torque on the steering wheel
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United States of America Patent
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Dec 5, 2006
Issued Date -
N/A
app pub date -
Dec 2, 2002
filing date -
Dec 11, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A motor vehicle steering mechanism is provided and includes a steering wheel fixedly connected to a steering column, a steering pinion meshing with a rack, a planetary gear system connected to the steering column and the steering pinion, wherein during a normal trouble-free driving operation the housing of the gear system is freely rotatable; an angle sensor detects the position of the steering column and/or steering wheel and generates a signal representative thereof, wherein a first drive applies torque directly to the steering column, and a second drive acts on the steering pinion or rack. The signal from the angle sensor is an input signal for an electronic control system that controls the second drive. A torque adjuster controls the first drive such that a hand torque corresponding to a driving situation is Produced for achieving a defined driving sensation for the driver on the steering wheel.
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