A rear wing for a motor vehicle includes a first end, a second end, and an aerodynamic surface including a pressure side extending between the first end and the second end, a first end plate is arranged at the first end, and a second end plate is arranged at the second end. At least one of the first end plate and the second end plate includes a selectively deployable aerodynamic surface.

The present application relates to a vehicle (401). A first duct (457) having a first duct inlet (467) and a first duct outlet (469) is provided on a first lateral side of the vehicle (401). A second duct (457) having a second duct inlet (467) and a second duct outlet (469) is provided on a second lateral side of the vehicle (401). The first and second duct inlets (467) are arranged substantially in line with or inset from the respective first and second lateral sides of the vehicle (401). The first and second duct outlets (469) are disposed at or proximal to a rear of the vehicle (401) and arranged, in use, to direct respective first and second jets of air inwardly to control the lateral propagation of a wake formed behind the vehicle (401). Duct sidewalls are formed by surfaces of rear pillars of the vehicle (401).

A vehicle having one or more guide vanes each disposed at each of a respective front and/or rear quarter of the vehicle for guiding the airflow in the vicinity of an adjacent wheel of the vehicle.

A vehicle having a first lateral diffuser provided on a first side of the vehicle and a second lateral diffuser provided on a second side of the vehicle. The first and second lateral diffusers are movably mounted and can be displaced from a retracted position to at least a first deployed position.

A vehicle having a transverse panel and a transverse aerodynamic member, and a control unit. The transverse aerodynamic member is movable to an operating position in which it is spaced apart from the transverse panel. In that operating position, the transverse aerodynamic member is operable to direct airflow downwardly at the rear of the vehicle to control the vertical propagation of the wake formed behind the vehicle.

A vehicle airflow control apparatus (900) has an air inlet (902) at the rear quarter glass (906) of the vehicle and ducting (908) leading via an openable joint (912) and rear ducting (912) past a bend (916) to an exit blowing aperture (918), a concertina element (928) allowing duct movement, the openable joint having a self-alignment cup (938) with wedging inner sides (944, 946), an interface seal connecting the rear ducting and the cup, a deployable spoiler (920) having a drive system (978), 10 outboard positional control of the spoiler being provided by a rod (998) with cone surfaces (1000, 1002).

At a vehicle lower portion structure S1, a first inclined portion 24 is formed at a rear end portion of a first undercover 20, and a second inclined portion 34 is formed at a front end portion of a second undercover 30. The second inclined portion 34 overlaps at least a portion of the first inclined portion 24 as seen in a vehicle plan view and a vehicle front view. An exhaust portion 40 is demarcated and formed by the first inclined portion 24 and the second inclined portion 34. An underfloor space UA and a space within an engine compartment 12 are communicated by the exhaust portion 40. Hot air within the engine compartment 12 can be made to flow via the exhaust portion 40 toward the underfloor space UA.

An air-guiding device which is arranged in a top rear region of a vehicle and includes an air-guiding element which is shiftable from a retracted inoperative position to an extended operating position, wherein, in both positions, the air-guiding element serves for guiding air in the rear region of the motor vehicle. At least one propeller of the air-guiding device which, together with the air-guiding element, is shiftable between the retracted and extended positions, wherein the propeller, in the extended operating position, is fixable in a first operating state, wherein the at least one propeller, in the extended operating position, is operable in a second operating state in order to produce a throughflow in the direction of travel, and wherein the at least one propeller, in the extended operating position, is operable in a third operating state in order to produce a throughflow opposed to the direction of travel.

This invention relates to an adjustment device for controlling the aerodynamic load acting on a motorcar, which acts by means of an underbody diffuser.

A front straightening portion is formed at a front portion of a main body portion of a spat. In the front straightening portion, a front inclined surface is inclined backward with respect to a vehicle with decrease in distance to a lower side of the vehicle in a lateral view, and front lateral surfaces extend forward with respect to the vehicle from both end portions of the front inclined surface in a vehicle width direction, respectively. A traveling wind that hits the front lateral surfaces flows toward the front inclined surface side, and is caused to flow out downward with respect to the vehicle from the front straightening portion together with a traveling wind. The flow velocities of the traveling winds increase, the air resistance of the vehicle can be reduced, operation stability of the vehicle can be enhanced, and riding comfort performance of the vehicle can be enhanced.