Patent ID: 8666594

Claim:
A method for actuating the stop & start function in a moving vehicle, especially an industrial or commercial or special vehicle, the method comprising: preparing a vehicle equipped with hybrid drive of the parallel type, comprising a thermal engine, an electric motor-generator, a single clutch unit placed between the two engines, an automated manual transmission, and a hybrid power steering both hydraulic and electric; enabling of a stop phase, in which the motor-generator assumes the management of the speed of rotation of a primary of the gearbox; activation of the stop phase; maintaining of the stop phase; and activation of the start phase; wherein said enabling step of the stop phase comprises the following verifications: released accelerator pedal or gear shifting request by the automated manual transmission; vehicle speed higher than a first threshold value (Vs); road slope comprised between two limit values (P 1 , P 2 ); activation of a control system (EPS) of the electric power steering; verification that the charging status of a drive battery of the electric motor is higher than a threshold value (SOC D ); verification of the opening status of the clutch; verification of engagement of the forward gear; said enabling of the stop phase being performed only if all the conditions mentioned above are verified.