| 摘要 |
<p>Drive unit for a motor vehicle, comprising an internal combustion engine (1) and a auto-shift gearbox (9), which is driven by the engine via a clutch and which consists of a main gear set with a number of gears and a two-ratio splitter gearing coupled before, and in series with, the main gear set. Shifting is effected with the aid of a servo means, controlled by a control computer (45), which is programmed, upon receiving signals indicating vehicle speed and an accelerator pedal position with in a predetermined pivot angle sector (α of the accelerator pedal (48), beginning a distance from the resting position of the pedal and extending over a minor angle within the total pivot angle (η of the pedal, to place the splitter gearing in its neutral position.</p> |
