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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Exhaust silencer with baffles

Invented by: Jay M. Francisco
Chula Vista, CA

James C. Napier
San Diego, CA Applicant: Name City State Country Type Francisco

Originally Assigned to: Hamilton Sundstrand Corporation
Windsor Locks, CT
[Now assigned to . . .]

Issued:2013-12-03
Filed:2011-04-26
Application No:13094179
Examined by:Bonzell; Philip J

An exhaust silencer assembly includes an exhaust duct and an exhaust silencer. The exhaust silencer is disposed about the exhaust duct and has a plurality of solid baffles and at least one perforated baffle The exhaust silencer assembly is disposed downstream of an auxiliary power unit and at least partially attenuates the downstream noise of the combustion gases that result from operation of the auxiliary power unit. In one embodiment, at least one of the plurality of solid baffles is disposed to extend axially between generally radially extending solid baffles, perforated baffle(s), or partially perforated baffles. The axially extending solid baffle allows for cavity depth variation in the silencer to optimize tuning of particular frequencies from the auxiliary power unit.

[pdf] U.S. Pat. No. 8,596,568

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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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