A sound-absorbing panel to be used affixed to a jet engine of an aircraft, provided with: a resin core layer 20 having a first surface, a second surface disposed on the side opposite from the first surface, and multiple partitions extending between the first surface and second surface so as to partition multiple cells; a resin first skin layer 30a laminated on the first surface of the core layer 20; and a resin second skin layer 40a laminated on the second surface of the core layer 20. The first skin layer 30a is disposed so as to face the external space while in use, and has multiple through-holes 60 for providing communication between internal spaces of the multiple cells S and external space faced by the first skin layer 30a. The core layer 20 has openings 50 for providing communication between the internal spaces of the multiple cells and external space of the core layer 20.
SOUND-ABSORBING PANEL AND MANUFACTURING METHOD FOR SAME
SCHALLDÄMPFENDES PANEEL UND HERSTELLUNGSVERFAHREN DAFÜR
PANNEAU INSONORISANT ET SON PROCÉDÉ DE FABRICATION
2023-09-20
Patent
Elektronische Ressource
Englisch
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B64C AEROPLANES , Flugzeuge / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS |
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