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:
Dec. 29, 2020
Filed:
Jan. 31, 2018
Applicant:
Safran Nacelles, Gonfreville l'orcher, FR;
Inventors:
Laurent Georges Valleroy, Gonfreville l'orcher, FR;
Marc Versaevel, Gonfreville l'orcher, FR;
Bertrand Desjoyeaux, Gonfreville l'orcher, FR;
Patrick Gonidec, Gonfreville l'orcher, FR;
Assignee:
Safran Nacelles, Gonfreville l'Orcher, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 1/34 (2006.01); G10K 11/168 (2006.01); B64D 29/06 (2006.01); F02K 1/82 (2006.01); F02K 1/72 (2006.01); B64D 27/16 (2006.01); B64D 29/00 (2006.01);
U.S. Cl.
CPC ...
B64D 33/06 (2013.01); B64D 27/16 (2013.01); B64D 29/00 (2013.01); B64D 29/06 (2013.01); F02K 1/72 (2013.01); F02K 1/827 (2013.01); G10K 11/168 (2013.01); F05D 2260/96 (2013.01); Y02T 50/60 (2013.01);
Abstract
The present disclosure particularly relates to an acoustic attenuation structure for a propulsion assembly of an aircraft. The acoustic attenuation structure includes an acoustically reflective wall and a sandwich panel. The sandwich panel includes a honeycomb structure surrounded by two acoustically porous skins, a rear skin and a skin. The acoustically reflective wall and the sandwich panel are arranged in such a way as to be separated by a layer of air.