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.

Date of Patent:
Jun. 11, 2024

Filed:

Feb. 14, 2022
Applicant:

Rolls-royce Corporation, Indianapolis, IN (US);

Inventors:

Benedict N. Hodgson, Indianapolis, IN (US);

Jeff Higbie, Indianpolis, IN (US);

Assignee:

Rolls-Royce Corporation, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/24 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); G10K 11/162 (2006.01);
U.S. Cl.
CPC ...
F02C 7/24 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); G10K 11/162 (2013.01); F05D 2220/32 (2013.01); F05D 2260/96 (2013.01); F05D 2300/603 (2013.01);
Abstract

In some examples, acoustic panels (such as for gas turbine engines) and techniques for forming acoustic panels. In some examples, the acoustic panel including a coversheet including an outer face, an inner face, and a plurality of apertures extend from the outer face to the inner face. The acoustic panel also includes a 3D-printed support layer including a lattice structure formed at least partially of a polymer, the lattice structure defining a plurality of cells of the support layer, wherein a first side of the support layer is coincident with the inner face of the coversheet.


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