ATE385602T1 - Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil - Google Patents

Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil

Info

Publication number
ATE385602T1
ATE385602T1 AT02738201T AT02738201T ATE385602T1 AT E385602 T1 ATE385602 T1 AT E385602T1 AT 02738201 T AT02738201 T AT 02738201T AT 02738201 T AT02738201 T AT 02738201T AT E385602 T1 ATE385602 T1 AT E385602T1
Authority
AT
Austria
Prior art keywords
layer
perforated
greatest
structural
honeycomb
Prior art date
Application number
AT02738201T
Other languages
English (en)
Inventor
Alain Porte
Jacques Lalane
Original Assignee
Airbus France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Airbus France filed Critical Airbus France
Application granted granted Critical
Publication of ATE385602T1 publication Critical patent/ATE385602T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
AT02738201T 2001-04-17 2002-04-17 Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil ATE385602T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0105209A FR2823590B1 (fr) 2001-04-17 2001-04-17 Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee

Publications (1)

Publication Number Publication Date
ATE385602T1 true ATE385602T1 (de) 2008-02-15

Family

ID=8862400

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02738201T ATE385602T1 (de) 2001-04-17 2002-04-17 Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil

Country Status (7)

Country Link
US (1) US7484592B2 (de)
EP (1) EP1380027B1 (de)
AT (1) ATE385602T1 (de)
CA (1) CA2441477C (de)
DE (1) DE60224924T2 (de)
FR (1) FR2823590B1 (de)
WO (1) WO2002084642A1 (de)

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GB2407343B (en) 2003-10-22 2006-04-19 Rolls Royce Plc An acoustic liner for a gas turbine engine casing
FR2914479B1 (fr) * 2007-03-29 2014-10-17 Snecma Materiau poreux pour paroi de traitement acoustique. dispositif reducteur de bruit utilisant ce materiau.
DE102007044875A1 (de) * 2007-09-20 2009-04-02 VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG Plattenförmiges Bauteil
FR2924454B1 (fr) * 2007-11-29 2009-11-20 Procedes Chenel Internat Plafond masquant temporaire
FR2953973A1 (fr) * 2009-12-11 2011-06-17 Aircelle Sa Procede de fabrication de panneau acoustique pour nacelle d'aeronef
GB2478312B (en) 2010-03-02 2012-08-22 Gkn Aerospace Services Ltd Seamless acoustic liner
ES2952382T3 (es) * 2011-10-01 2023-10-31 Dukta Gmbh Elemento de absorción acústica
FR2983835B1 (fr) * 2011-12-13 2014-02-21 Airbus Operations Sas Procede de realisation d'un panneau pour le traitement acoustique
JP5956786B2 (ja) * 2012-03-05 2016-07-27 株式会社クラレ 吸音パネル並びに吸音方法及び音響改善方法
US9708072B2 (en) 2014-04-30 2017-07-18 The Boeing Company Aircraft engine nacelle bulkheads and methods of assembling the same
US9604438B2 (en) 2014-04-30 2017-03-28 The Boeing Company Methods and apparatus for noise attenuation in an engine nacelle
US9656761B2 (en) 2014-04-30 2017-05-23 The Boeing Company Lipskin for a nacelle and methods of making the same
US9938852B2 (en) * 2014-04-30 2018-04-10 The Boeing Company Noise attenuating lipskin assembly and methods of assembling the same
US9290274B2 (en) 2014-06-02 2016-03-22 Mra Systems, Inc. Acoustically attenuating sandwich panel constructions
JP6551892B2 (ja) * 2015-02-18 2019-07-31 エムアールエイ・システムズ・エルエルシー 音響ライナーおよび音響ライナーの入口を成形する方法
US10336433B2 (en) 2015-03-09 2019-07-02 The Boeing Company Fused porogen process for acoustic septa fabrication
JP6634454B2 (ja) 2015-03-10 2020-01-22 エムアールエイ・システムズ・エルエルシー タービンエンジンにおける使用のための音響ライナ
GB2540014B (en) * 2015-05-19 2019-01-09 Boeing Co System and method for forming elongated perforations in an inner barrel section of an engine
GB201511454D0 (en) * 2015-06-30 2015-08-12 Rolls Royce Plc Aircraft engine nacelle
GB201514363D0 (en) * 2015-08-13 2015-09-30 Rolls Royce Plc Panel for lining a gas turbine engine fan casing
US10443496B2 (en) * 2016-07-18 2019-10-15 The Boeing Company Acoustic paneling
US10720135B2 (en) 2016-07-18 2020-07-21 The Boeing Company Acoustic panels that include multi-layer facesheets
US10793282B2 (en) 2016-07-28 2020-10-06 The Boeing Company Liner assembly, engine housing, and methods of assembling the same
US20180029719A1 (en) * 2016-07-28 2018-02-01 The Boeing Company Drag reducing liner assembly and methods of assembling the same
EP3506253B1 (de) * 2016-08-23 2022-09-28 FUJIFILM Corporation Schalldichte struktur und öffnungsstruktur
FR3056936B1 (fr) * 2016-10-03 2018-10-05 Airbus Operations Procede de fabrication d'un panneau acoustique renforce par au moins une couche en materiau composite thermoplastique
FR3061347A1 (fr) 2016-12-23 2018-06-29 Airbus Operations Procede d'obtention d'une couche acoustique poreuse et couche acoustique poreuse ainsi obtenue
USD843607S1 (en) * 2017-08-30 2019-03-19 Barrette Outdoor Living, Inc. Architectural screen
US11059559B2 (en) 2018-03-05 2021-07-13 General Electric Company Acoustic liners with oblique cellular structures
US11047304B2 (en) 2018-08-08 2021-06-29 General Electric Company Acoustic cores with sound-attenuating protuberances
US10823059B2 (en) 2018-10-03 2020-11-03 General Electric Company Acoustic core assemblies with mechanically joined acoustic core segments, and methods of mechanically joining acoustic core segments
FR3091670A1 (fr) * 2019-01-15 2020-07-17 Airbus Operations (S.A.S.) Procédé de fabrication d’une structure acoustiquement résistive, structure acoustiquement résistive ainsi obtenue, panneau d’absorption acoustique comportant ladite structure acoustiquement résistive
US11434819B2 (en) * 2019-03-29 2022-09-06 General Electric Company Acoustic liners with enhanced acoustic absorption and reduced drag characteristics
EP3851651B1 (de) * 2020-01-17 2024-03-06 Dicosy AG Düsenstrahlgetriebener sprühstrahlwerfer
US11668236B2 (en) 2020-07-24 2023-06-06 General Electric Company Acoustic liners with low-frequency sound wave attenuating features
US11970992B2 (en) 2021-06-03 2024-04-30 General Electric Company Acoustic cores and tools and methods for forming the same
US11965425B2 (en) 2022-05-31 2024-04-23 General Electric Company Airfoil for a turbofan engine

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US4254171A (en) * 1975-08-13 1981-03-03 Rohr Industries, Inc. Method of manufacture of honeycomb noise attenuation structure and the resulting structure produced thereby
US4294329A (en) * 1979-12-17 1981-10-13 Rohr Industries, Inc. Double layer attenuation panel with two layers of linear type material
JPS60105691A (ja) * 1983-11-14 1985-06-11 Nippon Zeon Co Ltd ポリヌクレオチド合成装置
DE29500207U1 (de) * 1995-01-07 1996-05-09 Hueppe Form Sonnenschutz Schallabsorptionselement
US6021612A (en) * 1995-09-08 2000-02-08 C&D Technologies, Inc. Sound absorptive hollow core structural panel
US6176964B1 (en) * 1997-10-20 2001-01-23 Vought Aircraft Industries, Inc. Method of fabricating an acoustic liner
DE19804718C2 (de) * 1998-02-06 2001-09-13 Eurocopter Deutschland Schall absorbierende Sandwichwand
FR2803077B1 (fr) * 1999-12-24 2002-07-26 Aerospatiale Matra Airbus Procede de realisation d'une couche acoustiquement resistive, couche resistive obtenue et paroi utilisant une telle couche
WO2002095135A1 (en) * 2001-05-17 2002-11-28 Toray Industries, Inc. Sound-proof wall made of frp, and method of producing the same
FR2838860B1 (fr) * 2002-04-17 2005-01-21 Airbus France Couche acoustiquement resistive multicomposant pour panneau d'attenuation acoustique et panneau ainsi obtenu
FR2844304B1 (fr) * 2002-09-10 2004-12-10 Airbus France Couche acoustiquement resistive pour panneau d'attenuation acoustique, panneau utilisant une telle couche

Also Published As

Publication number Publication date
US7484592B2 (en) 2009-02-03
EP1380027B1 (de) 2008-02-06
FR2823590A1 (fr) 2002-10-18
WO2002084642A1 (fr) 2002-10-24
CA2441477A1 (fr) 2002-10-24
EP1380027A1 (de) 2004-01-14
CA2441477C (fr) 2010-12-07
DE60224924D1 (de) 2008-03-20
US20040148891A1 (en) 2004-08-05
FR2823590B1 (fr) 2003-07-25
DE60224924T2 (de) 2009-04-16

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