Steer-by-wire steering system with road feel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 13, 2005
Grant Date -
Feb 5, 2004
app pub date -
Mar 30, 2001
filing date -
Apr 3, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A steering apparatus (10) for a vehicle having steerable road-engaging wheels comprises a rotatable steering wheel (11) and a sensor (12) which senses the rotational position of the steering wheel and generates a first signal corresponding to the sensed rotational position of the steering wheel (11). A first electric motor (14), when energized, resists rotation of the steering wheel (11). A second electric motor (20) is controlled by the signal generated by the sensor for sensing the rotational position of the steering wheel (11). A steering gear (130) is actuated by the second electric motor (20) to turn the steerable wheels of the vehicle. An electrical circuit (19) includes the first and second motors (14 and 20) in series.
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