Device for regulating the airflow in a duct provided with an integrated shape memory, particularly for air conditioning systems of motor vehicles dispostivo actuator.

Apparatus for regulating the air flow in a conduit, particularly for air conditioning systems of motor vehicles, comprising: - a support structure (2) forming a passage section (7) for the air flow , - means of vanes (8, 9) rotatably mounted on said support structure (2) between a closed position and an open position, - elastic means (14) to retract means slat (8, 9 ) to one of said positions, and - actuator devices with shape memory (15) for controlling movement of said means of vanes (8, 9) towards one of said positions, characterized in that said support structure (2) consists of a frame comprising two parallel and spaced longitudinal sides (3, 4), and two sides at the ends (5, 6) connecting the two long sides (3, 4) so ​​forming a window (7) for the passage air, wherein said flap means comprise a plurality of more louver (8, 9) mounted rotatably between the two opposite sides of the frame (2), which are also connected to the movable rod (11) of an actuator device along one of said sides (4) wherein said elastic means (14) are arranged between said rod (11) of the actuator device and said frame.