Patent ID: 7156453

Claim:
A vehicle with reduced drag comprising: a vehicle chassis having a body attached to and substantially enclosing the vehicle chassis, the body having front and rear surfaces, wherein air is directed substantially outside the surfaces of the body, and wherein further a lower pressure region is created outside the body and behind the rear surface when the vehicle is moving forward; one or more side ducts attached to the body, each side duct having an inlet and an outlet; a fan having a rotatably mounted fan blade that is adapted to pivot in order to alter a direction in which air is directed, the fan being attached to the vehicle and positioned to direct air towards the lower pressure region, wherein a fan inlet of the fan is in fluid communication with at least one duct outlet; and a controller to determine a direction of the fan to result in directing air towards a center of the lower pressure region and to command the fan to point in the determined direction.