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Downforce-enhancement of an automobile-type diffuser using two devices

  • US 9,957,000 B1
  • Filed: 02/25/2017
  • Issued: 05/01/2018
  • Est. Priority Date: 02/25/2017
  • Status: Active Grant
First Claim
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1. A vehicle underbody diffuser to enhance aerodynamic downforce;

  • consisting of a single flow channel or a subdivided flow channel located at a rear of an automobile, the said diffuser including;

    A convex-shaped bump attached on a diffuser ramp surface across a span of the diffuser flow channel and at a location close to an exit of the diffuser flow channel.An inverted wing with a pressure surface as atop surface and a suction surface as the bottom surface positioned laterally across a span of the diffuser flow channel and underneath the convex-shaped bump with a chord length of the wing parallel to the length of the bump.

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