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:
Apr. 28, 2020
Filed:
Jun. 22, 2017
Applicant:
Safran Nacelles, Gonfreville l'Orcher, FR;
Inventors:
Jean-Paul Rami, Gonfreville l'Orcher, FR;
Jérôme Corfa, Gonfreville l'Orcher, FR;
Marc Versaevel, Gonfreville l'Orcher, FR;
François Brefort, Gonfreville l'Orcher, FR;
Remko Moeys, Besozzo, IT;
Assignee:
SAFRAN NACELLES, Gonfreville l'Orcher, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/24 (2006.01); F02K 1/82 (2006.01); F02C 7/045 (2006.01); F04D 29/66 (2006.01); G10K 11/172 (2006.01); B64D 33/02 (2006.01); F02K 1/34 (2006.01); B64D 29/00 (2006.01);
U.S. Cl.
CPC ...
F02C 7/24 (2013.01); B64D 33/02 (2013.01); B64D 33/06 (2013.01); F02C 7/045 (2013.01); F02K 1/827 (2013.01); F04D 29/665 (2013.01); G10K 11/172 (2013.01); B64D 29/00 (2013.01); B64D 2033/0206 (2013.01); F05D 2220/323 (2013.01); F05D 2250/191 (2013.01); F05D 2250/25 (2013.01); F05D 2250/283 (2013.01); Y02T 50/672 (2013.01);
Abstract
An acoustic attenuation panel for a turbojet engine nacelle is provided by the present disclosure. The panel includes at least one alveolar core disposed between at least one internal skin and at least one external skin. In one form, the alveolar core includes a plurality of alveoli having a helical-shaped cavity along an axis in a direction normal to at least one internal skin and at least one external skin.