Air guide device for vehicle, which is set back from bodywork element when in use

摘要

The air guide device (1) is fitted in a recess in a bodywork element (2) so that the hollow body of the air guide device fills the outline when in the rest position. When the cavity (9) is evacuated, the hollow body withdraws against an edge region (5) of the bodywork element , causing a break in the flow at the edge region.