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. 13, 2023
Filed:
Dec. 20, 2019
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 1/82 (2006.01); G10K 11/16 (2006.01); F02C 7/24 (2006.01); B32B 3/12 (2006.01); G10K 11/168 (2006.01); G10K 11/172 (2006.01);
U.S. Cl.
CPC ...
F02K 1/827 (2013.01); B32B 3/12 (2013.01); F02C 7/24 (2013.01); G10K 11/16 (2013.01); G10K 11/168 (2013.01); G10K 11/172 (2013.01); F05D 2250/283 (2013.01); F05D 2260/96 (2013.01); F05D 2300/43 (2013.01); F05D 2300/44 (2013.01);
Abstract
The present disclosure provides a co-bonded acoustic liner, including a honeycomb core with cells therein, a thermoset-based plastic septa material co-bonded to a top face of the honeycomb core; a facesheet with perforations to enable airflow, co-bonded to the thermoset-based plastic septa material; and an optional backside skin positioned under the honeycomb core, co-bonded to the bottom face of the honeycomb core, wherein the liner supports a single degree of freedom acoustic structure. The disclosure further provides methods of preparing and using such co-bonded acoustic liners.