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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Integrated engine exhaust systems and methods for drag and thermal stress reduction

Invented by: Arvin Shmilovich
Hungtington Beach, CA

Yoram Yadlin
Irvine, CA

David M. Smith
Santa Ana, CA

Roger W. Clark
Huntington Beach, CA

Originally Assigned to: The Boeing Company
Chicago, IL
[Now assigned to . . .]

Issued:2010-09-21
Filed:2010-01-13
Application No:12686639
Examined by:Lee; Benjamin P

Integrated engine exhaust systems and techniques for operating integrated engine exhaust systems are disclosed. In one embodiment, a propulsion system includes an engine installation configured to be mounted on a wing assembly of an aircraft. The engine installation includes an engine, and an exhaust system operatively coupled to the engine. The exhaust system includes at least one nozzle to exhaust an exhaust flow from the engine. The nozzle includes a variable portion configured to vary an exit aperture of the nozzle from a first shape to a second shape to change a flowfield shape of at least a portion of the nozzle flowfield proximate the wing assembly, thereby reducing at least one of drag and thermal loading on the wing assembly. In a further embodiment, the exhaust system includes an inner nozzle that exhausts a core exhaust flow, and an outer nozzle that exhausts a secondary exhaust flow, the outer nozzle having the variable portion configured to vary the exit aperture of the outer nozzle.

[pdf] U.S. Pat. No. 7,798,423

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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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