US Patent 10927543 Acoustic attenuation structure

Patent 10927543 was granted and assigned to The Boeing Company on February, 2021 by the United States Patent and Trademark Office.

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US Patent 11970957 Acoustic turbofan airfoil apparatus

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Patent abstract

An acoustic attenuation structure comprises a gas permeable composite facesheet, a cellular core, and an impermeable backing. The gas permeable composite facesheet has a designated porosity. The designated porosity causes the permeability of the gas permeable composite facesheet. The gas permeable composite facesheet comprises a carbon fiber fabric. The cellular core is bonded to the gas permeable composite facesheet using a resin of the gas permeable composite facesheet without any additional adhesive. The impermeable backing is connected to the cellular core.

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Patent Inventor Names

Geoffrey Allen Butler0

Justin Honshune Lan0

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