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:
Dec. 29, 2020
Filed:
Feb. 24, 2017
Applicant:
Mra Systems, Llc, Baltimore, MD (US);
Inventors:
Andrew Michael Roach, Aberdeen, MD (US);
David Patrick Calder, Baltimore, MD (US);
Graham Frank Howarth, Middletown, DE (US);
Assignee:
MRA SYSTEMS, LLC., Baltimore, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/24 (2006.01); B32B 3/26 (2006.01); B32B 3/12 (2006.01); B32B 15/04 (2006.01); B32B 15/20 (2006.01); F02C 7/045 (2006.01); B32B 5/18 (2006.01); F02K 3/06 (2006.01);
U.S. Cl.
CPC ...
F02C 7/24 (2013.01); B32B 3/12 (2013.01); B32B 3/266 (2013.01); B32B 15/046 (2013.01); B32B 15/20 (2013.01); F02C 7/045 (2013.01); B32B 5/18 (2013.01); B32B 2307/102 (2013.01); B32B 2307/7265 (2013.01); B32B 2605/18 (2013.01); F02K 3/06 (2013.01); F05D 2220/323 (2013.01); F05D 2250/283 (2013.01); F05D 2260/963 (2013.01); F05D 2300/601 (2013.01); Y02T 50/60 (2013.01);
Abstract
An acoustic liner can include a support layer having a set of partitioned cavities with open faces, a first facing sheet and second facing sheet both having perforations and operably coupled to the support layer such that the facing sheets overlie and close the open faces, and an aerogel layer operably coupled to the second facing sheet.