System for completely closing the space between the cab and semi-trailer of an industrial or commercial vehicle, to improve the aerodynamics of the vehicle

摘要

A system for completely closing the space between the cab and semi-trailer of an industrial or commercial vehicle is described, said system comprising rigid spoilers (5) attached to the side and top edges of the rear of the cab, characterized in that it also comprises inflatable and retractable spoilers (10), attached to said rigid spoilers as dynamic extensions thereof, and suitable to extend so as to adhere to the front wall (4) of the semi-trailer and completely close the space between the cab and semi-trailer. According to an alternative embodiment the system also comprises a rounded abutment surface (15) as an extension of the front wall (4) of the semi-trailer, suitable to facilitate the contact with said inflatable spoilers (10).