DRIVE PEDAL UNIT FOR MOTOR VEHICLES
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United States of America Patent
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N/A
Issued Date -
Feb 28, 2013
app pub date -
May 10, 2011
filing date -
May 11, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A drive pedal unit for motor vehicles, wherein a position change of the pedal plate brought about by a corresponding actuating force, with respect to the starting position thereof against a restoring force of a restoring spring, leads to an increase of the drive force of the engine and, when the actuating force decreases, the restoring force of the restoring spring returns the pedal plate in the direction of the starting position thereof. An externally controllable electro-mechanical actuator is arranged such that an additional restoring force may be set on the pedal plate. A hysteresis of the pedal characteristic curve is produced and is independent of the additional restoring force of the electromechanical actuator. A friction surface cooperates with a friction element, wherein the friction surface is connected to the pedal plate, whilst the friction element is decoupled from the power flow between the pedal plate and the electromechanical actuator.
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