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US 2019/0185171 A1Published application
Wave-Shaped Acoustic Insert and Core
AssigneeThe Boeing Company
InventorsKanika Gakhar, Justin Honshune Lan
Life of this patent
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Abstract
An acoustic insert comprises a sleeve and a number of wave-shaped passageways within the sleeve. A contour of the number of wave-shaped passageways is selected to provide a desired level of attenuation for a frequency of sound waves entering the sleeve.
Claims20
An acoustic insert comprising:
- a sleeve;
- and
- a number of wave-shaped passageways within the sleeve.
An acoustic system comprising:
- a first facesheet;
- a second facesheet opposite the first facesheet;
- a core having a first edge, a second edge, and cells, wherein the first edge of the core touches the first facesheet and the second edge of the core touches the second facesheet;
- and
- a number of wave-shaped passageways within a cell in the core, wherein the number of wave-shaped passageways is configured to attenuate sounds waves passing through the cell.
2 more elements
A method for reducing noise in an aircraft, the method comprising:
- forming an acoustic insert comprising a sleeve and a number of wave-shaped passageways within the sleeve, wherein the acoustic insert is configured to be fitted within a cell in a honeycomb core.
Dependencies are inferred from the claim text.