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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

System, method, and apparatus for designing streamline traced, mixed compression inlets for aircraft engines

Invented by: Brian F. Lundy
Arlington, TX

John D. Klinge
Fort Worth, TX

Bradley C. Leland
Burleson, TX

Originally Assigned to: Lockheed Martin Corporation
Bethesda, MD
[Now assigned to . . .]

Issued:2007-04-24
Filed:2005-05-31
Application No:11140800
Examined by:Barefoot; Galen

An advanced aperture inlet (AAI) uses a three-dimensional, mixed compression inlet design derived from computational fluid dynamics (CFD) by streamline tracing a supersonic section from an axisymmetric mixed compression inlet solution. The axisymmetric design is used to obtain a CFD solution with slip wall boundaries at the inlet design point and serves as a flow field generator for the AAI. The AAI geometry is obtained by projecting a desired aperture shape onto a surface model of the external oblique shock. Streamline seeds are located on the projected aperture segments and transferred into the CFD solution space. The streamlines generated by these seeds inside the CFD solution space are then used as a wireframe to define the supersonic diffuser back to the throat location. Traditional design techniques are then used to define the subsonic diffuser from the inlet throat to the engine face.

[pdf] U.S. Pat. No. 7,207,520

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This information is part of a study by Oasis Global, Inc. of all space inventions filed at the United States Patent and Trademark Office, and is provided for informational purposes only. It is not an endorsement of any particular assignee, inventor or invention. Although Peter A. Koziol represents inventors and assignees of space inventions he does not represent all of the inventors and assignees listed. The prosecuting attorney agent or firm for each patent is identified by the United States Patent and Trademark Office in the patent specfication, which can be viewed by clicking on the patent image or downloading the patent document. For more information regarding Mr. Koziol's background and experience, or to learn more about space inventions, please contact Mr. Koziol.

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