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. 27, 2023
Filed:
Mar. 02, 2020
Applicant:
Safran Nacelles, Gonfreville l'Orcher, FR;
Inventors:
Bertrand Desjoyeaux, Moissy Cramayel, FR;
Marc Versaevel, Moissy Cramayel, FR;
Assignee:
Safran Nacelles, Gonfreville L'Orcher, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/045 (2006.01); B64D 33/02 (2006.01); F04D 29/66 (2006.01); G10K 11/172 (2006.01); F02K 1/82 (2006.01);
U.S. Cl.
CPC ...
F02C 7/045 (2013.01); B64D 33/02 (2013.01); F04D 29/665 (2013.01); G10K 11/172 (2013.01); B64D 2033/0206 (2013.01); F02K 1/827 (2013.01);
Abstract
An acoustic panel with a cellular core includes cells that are provided with one or more obstacles, each of the obstacles extending transversely in relation to the main axis of the associated cell so as to increase the length of the path (F) that sound waves travel through the cell. Methods enabling the production of such a panel implements steps of cutting, folding and bonding that are suitable for creating cells provided with such obstacles.