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Front diffuser for a motor vehicle

  • US 8,926,000 B2
  • Filed: 03/27/2013
  • Issued: 01/06/2015
  • Est. Priority Date: 03/28/2012
  • Status: Active Grant
First Claim
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1. A front diffuser arranged in a front underbody covering of a motor vehicle, the front diffuser comprising flaps that are arranged between two boundary walls of an air duct in the underbody covering, an actuating drive for pivoting the flaps about a transversely oriented pivot axis located at a front end of each flap, as seen in the direction of travel, so that each of the flaps is pivotable between a lower end position in the air duct where the flap runs in a horizontal plane and an upper end position where the flap is pivoted up in the air duct and runs in an oblique plane, the actuating device for each of the flaps including a linear drive having a fixed front end mounted above an upper surface of the underbody covering forward of the respective flap and a movable rear end, a toggle lever arrangement pivotable about an axis extending parallel to the pivot axis of the flap and being above the underbody covering, the toggle lever arrangement having a first lever connected to the movable end of the linear drive and a second end connected to an actuating lever that is connected pivotally to an upper surface of the respective flap at a position forward of the pivot axis.

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