Honeycomb core with internal septum, and method of making same

Details Honeycomb core with internal septum, and method of making same Honeycomb core with internal septum, and method of making same

F - Mech Eng,Light,Heat,Weapons

02

C

18/1002, 181/15

F02C 7/24 (2006.01) B29C 33/52 (2006.01) B29C 67/00 (2006.01) B32B 3/12 (2006.01) G10K 11/172 (2006.01)

Patent

CA 1105394

Abstract of the Disclosure A sound attenuating panel for installation in the high velocity air flow region of an engine nacelle and/or other applications requiring sound absorbing material. The panel utilizing a single layer of either a metallic or nonmetallic cellular honeycomb core with a solid or perforated septum disposed internally therein. The septum may have a ] planar or nonplanar configuration within the individual cells of the core thereby providing means for reducing the noise level of various sound frequencies created by a jet engine or any other sound producing devices for that matter. The planar or nonpolanar septum provides structural stabiliza- tion and/or vibration dampening to a bonded sandwich assembly.

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