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:
Sep. 06, 2022
Filed:
Mar. 29, 2019
General Electric Company, Schenectady, NY (US);
Mra Systems, Llc, Baltimore, MD (US);
Shanmugam Murugappan, Mason, OH (US);
Michael Moses Martinez, Cincinnati, OH (US);
Egbert Geertsema, Cincinnati, OH (US);
Rudramuni Kariveerappa Majjigi, Cincinnati, OH (US);
Richard David Cedar, Cincinnati, OH (US);
Wendy Wenling Lin, Montgomery, OH (US);
Robert William Davidoff, Pittsburgh, PA (US);
David Patrick Calder, Baltimore, MD (US);
Graham Frank Howarth, Middletown, DE (US);
GENERAL ELECTRIC COMPANY, Schenectady, NY (US);
MRA SYSTEMS, LLC, Baltimore, MD (US);
Abstract
An acoustic liner may include an acoustic core having an array of resonant cells, and an acoustic screen disposed across the array of resonant cells. The resonant cells include a plurality of cell walls and a resonant space defined by the plurality of cell walls. The acoustic core may include a folded acoustic core. Additionally, or in the alternative, at least some of the resonant cells may include an oblique polyhedral cellular structure and/or a multitude of sound-attenuating protuberances. The acoustic screen may include a reticulate membrane and a support lattice.