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. 05, 2022
Filed:
Oct. 22, 2019
Applicant:
Airbus Operations S.a.s., Toulouse, FR;
Inventor:
César Garnier, Toulouse, FR;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10K 11/168 (2006.01); B32B 3/12 (2006.01); B64D 33/02 (2006.01); F02C 7/045 (2006.01);
U.S. Cl.
CPC ...
G10K 11/168 (2013.01); B32B 3/12 (2013.01); B32B 2307/102 (2013.01); B32B 2605/18 (2013.01); B64D 2033/0206 (2013.01); F02C 7/045 (2013.01);
Abstract
An acoustic absorption structure includes: a porous layer in contact with a medium through which the sound waves travel, a cellular layer including a plurality of cells, which has at least one exterior annular canal open towards the porous layer, and a reflective layer. An aircraft propulsion system having at least one such acoustic absorption structure is also described.