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US 10,369,763 B2Granted
Segmented acoustic insert
AssigneeThe Boeing Company
InventorJustin Honshune Lan
Life of this patent
Estimating the term…
Abstract
An acoustic insert comprises a sleeve having a first end and a second end. The sleeve comprises segments between the first end and the second end. A first acoustic septum is placed within the sleeve at a first depth. A second acoustic septum placed within the sleeve at a second depth.
Claims17
An acoustic insert comprising:
- a sleeve having a first end and a second end, the sleeve comprising segments between the first end and the second end;
- a first acoustic septum placed within the sleeve at a first depth;
- and
- a second acoustic septum placed within the sleeve at a second depth;
- wherein a first segment in the segments is joined to a second segment in the segments by at least one of an adhesive, a welding material, ultrasonic welding, laser heating, infrared heating, and friction.
2 more elements
An aircraft structure comprising:
- a first facesheet;
- a second facesheet opposite the first facesheet;
- a honeycomb core having a first edge, a second edge, and a plurality of cells, wherein the first edge of the honeycomb core touches the first facesheet, and the second edge of the honeycomb core touches the second facesheet;
- an acoustic insert positioned within a cell in the plurality of cells, the acoustic insert comprising a sleeve having segments between a first end and a second end of the sleeve, a first acoustic septum placed within the sleeve at a first depth, and a second acoustic septum placed within the sleeve at a second depth;
- and
- a gap between an outer surface of the sleeve and a wall of the cell.
3 more elements
A method for reducing noise in an aircraft, the method comprising:
- forming an acoustic insert comprising a sleeve having segments between a first end and a second end of the sleeve, a first acoustic septum, and a second acoustic septum, wherein the acoustic insert is configured to absorb a range of frequencies and wherein forming the acoustic insert comprises bonding a first segment and a second segment in the segments and bonding a third segment and the second segment in the segments;
- and
- positioning the acoustic insert within a cell in a honeycomb core.
Dependencies are inferred from the claim text.