Gangschalteinrichtung für ein Kraftfahrzeuggetriebe.

摘要

A gear selection device (16) for a transmission assembly (1) of a vehicle is disclosed, comprising a main lever (18) for selecting two operating positions (U, D) and on which are provided two buttons (P, N), one of which (N) is for selecting neutral, and a small auxiliary lever (23) also having two operating positions (U, D), and an electronic processor (17) for controlling the the gearbox (4) and the clutch (3). The lever (18) is connected to transducer means (24) adapted to convey to the processor (17) input signals (25-30) indicating the actuation of the lever (18) itself, of the button (P) and of the auxiliary lever (23); in particular, when the vehicle is moving, the processor (17) controls the engagement of the first, second or fourth gear higher or lower than that currently engaged following input signals (25-30) corresponding respectively to the actuation of the auxiliary lever (23) by itself in one of the two positions (U, D), of the lever (18) by itself in a respective position (U, D), and of the lever (18) in combination with the button (P), after having verified that the engine speed as a result of the change in gear ratio falls within a range of acceptable values.