Patent ID: 6843716

Claim:
An air distribution system for a motor vehicle, including: at least one airflow inlet duct ( 5 ), a number of air outlet vents ( 2 ) in the motor vehicle's driver and passenger compartment, and an air distribution device ( 4 ), including: an inlet ( 5 a ) that receives airflow from the inlet duct ( 5 ), and a number of outlets situated away from the outlet vents ( 2 ) and connected to them by respective ducts ( 3 ), wherein the distribution device ( 4 ) includes suitable means ( 8 and 15 ) for controlling the deviation of the incoming airflow via the Coanda effect, and by the fact that the distribution device ( 4 ) is incorporated into a motor-vehicle dashboard from which the outlet vents ( 2 ) and the ducts ( 3 ) extend and wherein the Coanda-effect means include a wall that can be moved between a position in which it is incorporated in a side wall of one of said ducts, and a position where it extends into said one of said ducts to produce a step-like irregularity on the internal surface of one of said ducts.