The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2015
Filed:
Dec. 17, 2013
Rolls-royce Plc, London, GB;
Romuald Morvant, Uttoxeter, GB;
ROLLS-ROYCE PLC, London, GB;
Abstract
A gas turbine engine exhaust cone () comprising one or more acoustic absorption chambers (), each chamber () comprising two side walls () and an acoustic attenuation wall (). The side walls () define the circumferential extent of the chamber (). The acoustic attenuation wall () has one or more acoustic attenuators () and is positioned circumferentially intermediate the side walls (). The side walls () extend axially along the exhaust cone () at least one of them with a circumferential progression. The acoustic attenuation wall () extends axially along the exhaust cone () with or without a circumferential progression.
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