초록

A truck tractor and trailer combination is disclosed having air deflector shields extending from the cab to the trailer and a drag reducer shield enclosing the rear end of the trailer whereby air drag against the truck tractor and trailer is substantially reduced.

대표청구항 ▼

A low drag truck tractor and trailer combination comprising a truck tractor having a cab, a trailer, an air deflector assembly comprising air deflector shields attached to said cab of said truck tractor and extending to and overlapping the sides and top of the front end of said trailer and means for

A low drag truck tractor and trailer combination comprising a truck tractor having a cab, a trailer, an air deflector assembly comprising air deflector shields attached to said cab of said truck tractor and extending to and overlapping the sides and top of the front end of said trailer and means for uging said shields into contact with said trailer, said air deflector assembly reducing air drag in the region between said truck tractor and said trailer, and a drag reducer shield attached to enclose the rear end of said trailer defining an inner chamber and having a generally streamlined outer surface, and front and rear ends, said outer surface at said front end of said drag reducer shield being substantially coextensive with the perimeter of the rear end of said trailer, said outer surface converging generally convexly to an apex at said rear end of said drag reducer shield, and means for removing said shield from enclosing the rear end of said trailer, and wherein said air deflector assembly includes three air deflector shields, means attaching one of said deflector shields to the top and near the rear of said truck tractor cab and extending to and overlapping the top of the front end of said trailer, means attaching the other two of said air deflector shields to the opposite sides near the rear of said cab and extending to and overlapping the respective sides of the front end of said trailer.