DE60224924D1 - Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil - Google Patents

Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil

Info

Publication number
DE60224924D1
DE60224924D1 DE60224924T DE60224924T DE60224924D1 DE 60224924 D1 DE60224924 D1 DE 60224924D1 DE 60224924 T DE60224924 T DE 60224924T DE 60224924 T DE60224924 T DE 60224924T DE 60224924 D1 DE60224924 D1 DE 60224924D1
Authority
DE
Germany
Prior art keywords
layer
perforated
greatest
structural
honeycomb
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60224924T
Other languages
English (en)
Other versions
DE60224924T2 (de
Inventor
Alain Porte
Jacques Lalane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Operations SAS
Original Assignee
Airbus Operations SAS
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 Operations SAS filed Critical Airbus Operations SAS
Application granted granted Critical
Publication of DE60224924D1 publication Critical patent/DE60224924D1/de
Publication of DE60224924T2 publication Critical patent/DE60224924T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
DE60224924T 2001-04-17 2002-04-17 Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil Expired - Lifetime DE60224924T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0105209 2001-04-17
FR0105209A FR2823590B1 (fr) 2001-04-17 2001-04-17 Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee
PCT/FR2002/001322 WO2002084642A1 (fr) 2001-04-17 2002-04-17 Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee

Publications (2)

Publication Number Publication Date
DE60224924D1 true DE60224924D1 (de) 2008-03-20
DE60224924T2 DE60224924T2 (de) 2009-04-16

Family

ID=8862400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60224924T Expired - Lifetime DE60224924T2 (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
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
US9708072B2 (en) 2014-04-30 2017-07-18 The Boeing Company Aircraft engine nacelle bulkheads 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
WO2016144331A1 (en) * 2015-03-10 2016-09-15 Middle River Aircraft Systems Acoustic liners for use in a turbine engine
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
CN109643535B (zh) * 2016-08-23 2023-02-28 富士胶片株式会社 防音结构体及开口结构体
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
FR3102882B1 (fr) * 2019-10-31 2021-11-12 Safran Nacelles Panneau d’atténuation acoustique et ses procédés de fabrication
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
FR3116642A1 (fr) * 2020-11-24 2022-05-27 Airbus Operations Coque de peau résistive intégrant des bandes métalliques perforées, et paroi interne acoustique d’une entrée d’air d’aéronef formée à partir de telles coques de peau résistive.
US11970992B2 (en) 2021-06-03 2024-04-30 General Electric Company Acoustic cores and tools and methods for forming the same
US12142253B2 (en) 2021-10-05 2024-11-12 General Electric Company Solid adhesive film for acoustic liner and method
US11965425B2 (en) 2022-05-31 2024-04-23 General Electric Company Airfoil for a turbofan engine
US12312969B2 (en) 2023-01-17 2025-05-27 General Electric Company Airfoils for turbofan engines
WO2025186763A1 (en) * 2024-03-08 2025-09-12 Z LAB s.r.l. Sound-absorbing structure

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US3166149A (en) * 1965-01-19 Damped-resonator acoustical panels
US2601521A (en) * 1947-09-19 1952-06-24 Maurice B Heftler Filter
CA967863A (en) * 1972-03-10 1975-05-20 Armand F. Lewis Perforated polymer core-metal laminates
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 Hüppe Form Sonnenschutz- und Raumtrennsysteme GmbH, 26133 Oldenburg 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
US7343715B2 (en) * 2001-05-17 2008-03-18 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
US20040148891A1 (en) 2004-08-05
CA2441477A1 (fr) 2002-10-24
FR2823590A1 (fr) 2002-10-18
EP1380027A1 (de) 2004-01-14
DE60224924T2 (de) 2009-04-16
FR2823590B1 (fr) 2003-07-25
ATE385602T1 (de) 2008-02-15
US7484592B2 (en) 2009-02-03
CA2441477C (fr) 2010-12-07
EP1380027B1 (de) 2008-02-06
WO2002084642A1 (fr) 2002-10-24

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