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:
Feb. 18, 2020
Filed:
Feb. 18, 2015
Mra Systems, Inc., Baltimore, MD (US);
General Electric Company, Schenectady, NY (US);
Andrew Michael Roach, Baltimore, MD (US);
Richard David Cedar, Cincinnati, OH (US);
Steven Thomas Davies, Baltimore, MD (US);
Timothy Richard Depuy, Cincinnati, OH (US);
Graham Frank Howarth, Middletown, DE (US);
Michael Moses Martinez, Cincinnati, OH (US);
MRA Systems, LLC, Baltimore, MD (US);
Abstract
An acoustic liner for a turbine engine, the acoustic liner includes a support layer that includes a set of partitioned cavities with open faces, a perforated sheet that includes a set of perforations with corresponding inlets, the perforated sheet supported by the support layer such that perforations are in overlying relationship with the open faces to form paired perforations and cavities that define acoustic resonator cells, and a coating applied to the perforated sheet.