Flow control method and device for a vehicle air conditioner

Method for controlling the flow rate of a motor vehicle climate control device with an upstream fan assembly and a downstream arrangement of conduits linked to adjustable shutters. Accordingly the position of the shutters (V1-V3) are controlled, as is the speed of the fan assembly, based on variables independent of the equivalent sections assigned to different conduits. An Independent claim is made for a command device for controlling the airflow rate in a motor vehicle climate control device.