An acoustic panel for an aircraft nacelle includes a cellular layer configured to trap noise, a backplate fixed to one surface of the cellular layer and a facesheet fixed to another, opposite, surface of the cellular layer. The facesheet includes a layer of a preimpregnated woven material containing weft yarns spaced apart from one another and warp yarns spaced apart from one another so that the facesheet exhibits openings between the yarns.
Acoustic panel for aircraft nacelle, and method of manufacturing the acoustic panel
02.07.2019
Patent
Elektronische Ressource
Englisch
IPC: | 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 / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES |
ACOUSTIC PANEL FOR AIRCRAFT NACELLE, AND METHOD OF MANUFACTURING THE ACOUSTIC PANEL
Europäisches Patentamt | 2017
|Multifrequency absorption acoustic panel for an aircraft nacelle
Europäisches Patentamt | 2024
|MULTIFREQUENCY ABSORPTION ACOUSTIC PANEL FOR AN AIRCRAFT NACELLE
Europäisches Patentamt | 2021
|Multifrequency absorption acoustic panel for an aircraft nacelle
Europäisches Patentamt | 2021
|Multifrequency absorption acoustic panel for an aircraft nacelle
Europäisches Patentamt | 2023
|