ELECTRONIC THROTTLE CONTROL WITH HYSTERESIS AND KICKDOWN
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United States of America Patent
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Issued Date -
Oct 11, 2007
app pub date -
Apr 6, 2007
filing date -
Apr 7, 2006
priority date (Note) -
Abandoned
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Abstract
An electronically controlled pedal with hysteresis and kickdown includes a housing having a friction wall with a first frictional surface having a first radius of curvature, a second frictional surface having a second radius of curvature, and a step transitioning between the two. A hysteresis and kickdown generating means is pivotally attached to the upper pedal arm. A spring biases the generating means against the housing. Application of a first pedal load to the pedal arm generates a first hysteresis force between the hysteresis and kickdown generating means and the first frictional surface. Application of a second pedal load to the pedal arm generates a frictional kickdown force between the generating means and the step, and application of a third pedal load generates a second hysteresis force between the generating means and the second frictional surface. The first hysteresis force, kickdown force and second hysteresis force are transmitted back to the operator.
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