EP 2839458 A1 20150225 - THIN PANEL FOR ABSORBING SOUND WAVES EMITTED BY A TURBOFAN OF AN AIRCRAFT NACELLE, AND NACELLE PROVIDED WITH SUCH A PANEL
Title (en)
THIN PANEL FOR ABSORBING SOUND WAVES EMITTED BY A TURBOFAN OF AN AIRCRAFT NACELLE, AND NACELLE PROVIDED WITH SUCH A PANEL
Title (de)
DÜNNE PLATTEN ZUR ABSORPTION VON DURCH EIN BLÄSERTRIEBWERK EINER TRIEBWERKSGONDEL ABSORBIERTEN SCHALLWELLEN UND GONDEL MIT SOLCH EINER PLATTE
Title (fr)
PANNEAU MINCE D'ABSORPTION D'ONDES ACOUSTIQUES ÉMISES PAR UN TURBORÉACTEUR DE NACELLE D'AÉRONEF, ET NACELLE ÉQUIPÉE D'UN TEL PANNEAU
Publication
Application
Priority
- FR 1253633 A 20120420
- FR 2013050858 W 20130418
Abstract (en)
[origin: WO2013156739A1] The invention relates to a thin panel (13a) for absorbing sound waves emitted by a turbofan of an aircraft nacelle, which includes a plate (19) capable of vibrating so as to convert said waves into evanescent waves.
IPC 8 full level
G10K 11/172 (2006.01); G10K 11/162 (2006.01)
CPC (source: EP US)
F02C 7/24 (2013.01 - US); G10K 11/162 (2013.01 - EP US)
Citation (search report)
See references of WO 2013156739A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2013156739 A1 20131024; BR 112014023607 A2 20170620; BR 112014023607 A8 20170725; CA 2869623 A1 20131024; CN 104246868 A 20141224; EP 2839458 A1 20150225; FR 2989814 A1 20131025; FR 2989814 B1 20150501; RU 2014145641 A 20160610; US 2015068837 A1 20150312
DOCDB simple family (application)
FR 2013050858 W 20130418; BR 112014023607 A 20130418; CA 2869623 A 20130418; CN 201380020793 A 20130418; EP 13722502 A 20130418; FR 1253633 A 20120420; RU 2014145641 A 20130418; US 201414518496 A 20141020