Hybrid motor vehicle with drive engine and a motor as drive sources coupled in series can be reversed without requiring a reverse gear

摘要

The vehicle has a transmission (4) connected to the motor (3), a clutch (2) arranged between the engine (1) and motor, drive wheels (6) connected to the transmission, a selection switch (15) for selecting an operating mode from a number of transmission operating modes, including a forward travel mode, a selection switch position sensor (7) and a coupling current interruption circuit (12) for positive interruption of a current delivered to the coupling when the selection switch is in a position corresp. to a different mode from forward travel mode.