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US Patent 9290274 Acoustically attenuating sandwich panel constructions

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Patent Citations Received
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US Patent 11970992 Acoustic cores and tools and methods for forming the same
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US Patent 11965425 Airfoil for a turbofan engine
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US Patent 11885264 Acoustic cores with sound-attenuating protuberances
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Patent abstract

An aircraft engine assembly comprising a nacelle configured to surround the aircraft engine having an inlet open to ambient air and an annular acoustic panel provided within the nacelle. Sound emitted from the aircraft engine is attenuated by the annular acoustic panel. The annular acoustic panel comprises an open framework, made from a first material, forming a plurality of cells.

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Patent Inventor Names
Andrew Michael Roach0
Graham Frank Howarth0
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US Patent 11668236 Acoustic liners with low-frequency sound wave attenuating features
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US Patent 09290274 Acoustically attenuating sandwich panel constructions US Patent 9290274 Acoustically attenuating sandwich panel constructions

Infobox
Patent Number
092902740
Patent Number
92902740
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=092902740
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
092902740
Date of Patent
March 22, 2016
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Patent Application Number
142935890
Date Filed
June 2, 2014
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=092902740
Patent Primary Examiner
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Edgardo San Martin
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=09290274
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 US Patent 09290274 Acoustically attenuating sandwich panel constructions

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
09290274
Date of patent
March 22, 2016
Patent application number
14293589
Date Filed
June 2, 2014
Patent primary examiner
‌
Edgardo San Martin

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