Patent ID: 8540304

Claim:
An aerodynamic device at least partially located under a rear end of a cargo body of an industrial vehicle, wherein the device comprises at least one nozzle having an inlet arranged along a side wall of the cargo body for receiving air flowing along the vehicle and an outlet at the rear end for ejecting air underneath a vehicle rear face, an inside of the nozzle comprising at least a lower wall, an upper wall, an inner wall, and an outer wall, wherein from the inlet toward the outlet, the lower wall converges upwardly such that a height between the lower wall and the upper wall decreases and such that an outlet distance between the lower wall and the upper wall at the outlet is less than an inlet distance between the lower wall and the upper wall at the inlet, and the inner wall diverges from the outer wall such that a cross-section of the nozzle at the outlet is greater than the cross-section of the nozzle at the inlet.