Patent ID: 8475245

Claim:
A vehicle air duct comprising: a plurality of walls connected and defining an enclosed interior air space, the plurality of walls including inner and outer surfaces, the vehicle air duct extending from a first end to a second end, the first end including a connection opening; and wherein at least one of the plurality of walls includes at least one rib formed thereon in a region corresponding to the connection opening, the rib extending outward from the outer surface of the at least one wall, the at least one rib further defining the interior air space allowing transport of air and maintaining the shape of the vehicle air duct, wherein the at least one rib includes a pair of outwardly extending side walls extending from the outer surface of the air duct and joined by a top wall wherein the top wall of the at least one rib includes a planar top surface supporting a mating surface above the air duct and wherein the pair of outwardly extending sidewalls and top wall extend longitudinally relative to the air duct.