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. 18, 2023
Filed:
May. 14, 2019
Safran, Paris, FR;
Safran Nacelles, Gonfreville l'Orcher, FR;
Marc Versaevel, Gonfreville l'Orcher, FR;
Jean-Philippe Ginefri, Gonfreville l'Orcher, FR;
Fabrice Provost, Gonfreville l'Orcher, FR;
Jeremy Quesnel, Gonfreville l'Orcher, FR;
Wouter Balk, Moissy Cramayel, FR;
Sébastien Louchard, Gonfreville l'Orcher, FR;
Loïc Hervé André Le Boulicaut, Gonfreville l'Orcher, FR;
Safran Nacelles, Gonfreville l'Orcher, FR;
SAFRAN, Paris, FR;
Abstract
An acoustic attenuation panel for a propulsion assembly includes an acoustic front skin having perforations, and a central structure formed from partitions arranged perpendicularly in order to make up cells, wherein the front skin and the central structure form the panel which is made as a single piece and is provided for directly covering a surface of an element of the propulsion assembly forming a rear skin which closes the cells of the central structure at the rear.