Rotary actuation system for moving a door with orientable wings, in particular in vehicles

摘要

A rotary actuation system (1) for moving a door (2) with orientable wings, in particular for vehicles, said rotary actuation system (1) defining a rotation axis (3) and comprising a fluid-dynamic linear actuator (8) and a screw transmission (11) in which a stator shaft (4) and a cylindrical outer wall (6) of the screw transmission defines a pressure chamber (9) of the linear actuator (8).