US Patent 8931588 Acoustic panel
Patent 8931588 was granted and assigned to Rolls-Royce on January, 2015 by the United States Patent and Trademark Office.
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Patent abstract
An acoustic panel includes a first cellular layer with cells having a first axis, a second cellular layer with cells having a second axis, and a perforated septum layer separating the first layer and the second layer. The cells of both layers have an end distal to the septum layer and an end which meets the septum layer, and the maximum diameter of the cells of the first layer is less than the maximum diameter of the cells of the second layer.
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Patent Inventor Names
Paul Benedict Murray0
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US Patent 08931588 Acoustic panel US Patent 8931588 Acoustic panel
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Patent Number
08931588
Patent Number
8931588
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US Patent 08931588 Acoustic panel
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Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
08931588
Date of patent
January 13, 2015
Patent application number
13899989
Date Filed
May 22, 2013
Patent primary examiner
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