Speed modifying device for e.g. vehicle with energy recovery retarder, has pedal and two return springs, where device maintains actual speed of vehicle when pedal is positioned at hard point

摘要

The device has a pedal (1) and two return springs (2, 3), where the device maintains the actual speed of the vehicle when the pedal is positioned at a hard point (5). The device controls a propellor or retarder of the vehicle when the pedal is positioned in sides of the point for reducing or increasing the actual speed of the vehicle, respectively.