Method for controlling valve device of air collection box in motor vehicle, involves passing partial air circulation mode into air circulation mode as soon as speed of motor vehicle exceeds predetermined speed value

摘要

The method involves passing a partial air circulation mode (TU) into an air circulation mode (U) as soon as the speed (v) of the motor vehicle exceeds a predetermined speed value (G1). The air is sucked through the fresh air inlet and the ambient air inlet, where in the air circulation mode air is sucked in by the ambient air inlet. An independent claim is included for a ventilation system for a motor vehicle.