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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Jet nozzle having noise attenuating shield and method therefor

Invented by: Eric H. Nesbitt
Duvall, WA

Mark Yee
Everett, WA

Ronen Elkoby
Los Angeles, CA

Leonard J. Hebert
Kirkland, WA

Thomas E. Alston
Bothell, WA

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

Issued:2011-02-08
Filed:2007-04-27
Application No:11741457
Examined by:Collins; Timothy D

An arcuate or semi-circumferential shield in the shape of a visor that is adapted to be secured to an external surface of a nozzle housing of a jet nozzle to attenuate jet noise generated by the jet nozzle. The shield may be fixedly secured to the nozzle housing or movably supported so that it can be moved between retracted and deployed positions. When used as a fixedly mounted component, or when positioned in its deployed position, a downstream edge of the shield extends past a downstream edge of the nozzle housing and the shield is spaced apart from an outer surface of the nozzle housing to form a channel therebetween. The shield is preferably orientated at approximately a bottom dead center of the nozzle housing. The shield operates to attenuate jet installation noise, and particularly jet installation noise experienced during the takeoff phase of flight of a jet aircraft, as well as to reduce jet installation noise that would otherwise propagate forwardly toward the cockpit of the aircraft.

[pdf] U.S. Pat. No. 7,883,049

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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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