Motor-driven servo steering system
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United States of America Patent
Stats
-
Apr 27, 1993
Grant Date -
N/A
app pub date -
Aug 26, 1991
filing date -
Oct 4, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is a motor-driven servo steering system for a motor vehicle having an actuator for superimposing steering intervention on the steering wheel power applied by the driver. Power provided by a power supply, for example an electric motor, is superimposed on the steering wheel power applied by the driver and thereby aids and boosts the steering wheel power. In addition to or instead of the boosting effect, the steering systems of the vehicle can be acted upon through steering signals that increase the road safety and/or the travel comfort. Because the system is responsive to steering wheel velocity, the system has a high inherent safety, where in case of power supply failure the driver has a direct mechanical access to the steering systems, without increasing the steering wheel torque required to be applied by the driver.
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