FR2823590B1 - Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee - Google Patents
Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforceeInfo
- Publication number
- FR2823590B1 FR2823590B1 FR0105209A FR0105209A FR2823590B1 FR 2823590 B1 FR2823590 B1 FR 2823590B1 FR 0105209 A FR0105209 A FR 0105209A FR 0105209 A FR0105209 A FR 0105209A FR 2823590 B1 FR2823590 B1 FR 2823590B1
- Authority
- FR
- France
- Prior art keywords
- layer
- perforated
- greatest
- resistive layer
- panel
- 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 - Fee Related
Links
- 230000000116 mitigating effect Effects 0.000 title 1
- 230000001413 cellular effect Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 229920005992 thermoplastic resin Polymers 0.000 abstract 1
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)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (7)
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 |
EP02738201A EP1380027B1 (fr) | 2001-04-17 | 2002-04-17 | Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee |
CA2441477A CA2441477C (fr) | 2001-04-17 | 2002-04-17 | Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee |
AT02738201T ATE385602T1 (de) | 2001-04-17 | 2002-04-17 | Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil |
DE60224924T DE60224924T2 (de) | 2001-04-17 | 2002-04-17 | Lärmdämpfungsplatte mit widerstandschicht mit verstärktem strukturteil |
US10/473,031 US7484592B2 (en) | 2001-04-17 | 2002-04-17 | Sound attenuation panel comprising a resistive layer with reinforced structural component |
PCT/FR2002/001322 WO2002084642A1 (fr) | 2001-04-17 | 2002-04-17 | Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee |
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 (2)
Publication Number | Publication Date |
---|---|
FR2823590A1 FR2823590A1 (fr) | 2002-10-18 |
FR2823590B1 true FR2823590B1 (fr) | 2003-07-25 |
Family
ID=8862400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0105209A Expired - Fee Related FR2823590B1 (fr) | 2001-04-17 | 2001-04-17 | Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee |
Country Status (7)
Country | Link |
---|---|
US (1) | US7484592B2 (fr) |
EP (1) | EP1380027B1 (fr) |
AT (1) | ATE385602T1 (fr) |
CA (1) | CA2441477C (fr) |
DE (1) | DE60224924T2 (fr) |
FR (1) | FR2823590B1 (fr) |
WO (1) | WO2002084642A1 (fr) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
US9604438B2 (en) | 2014-04-30 | 2017-03-28 | The Boeing Company | Methods and apparatus for noise attenuation in an engine nacelle |
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 |
US10563578B2 (en) * | 2015-02-18 | 2020-02-18 | Mra Systems, Llc | Acoustic liners and method of shaping an inlet of an acoustic liner |
US10336433B2 (en) | 2015-03-09 | 2019-07-02 | The Boeing Company | Fused porogen process for acoustic septa fabrication |
EP3268550B1 (fr) * | 2015-03-10 | 2021-10-13 | MRA Systems, LLC | Revêtements insonorisants destinés à être utilisés dans un moteur à turbine |
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 |
US10720135B2 (en) | 2016-07-18 | 2020-07-21 | The Boeing Company | Acoustic panels that include multi-layer facesheets |
US10443496B2 (en) * | 2016-07-18 | 2019-10-15 | The Boeing Company | Acoustic paneling |
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 |
WO2018037959A1 (fr) * | 2016-08-23 | 2018-03-01 | 富士フイルム株式会社 | Structure d'insonorisation et structure d'ouverture |
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 (fr) * | 2020-01-17 | 2024-03-06 | Dicosy AG | Dispositif de lancement de jet de pulvérisation à entraînement à jet de buse |
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 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3166149A (en) * | 1965-01-19 | Damped-resonator acoustical panels | ||
US2601521A (en) * | 1947-09-19 | 1952-06-24 | Maurice B Heftler | Filter |
GB1369285A (en) * | 1972-03-10 | 1974-10-02 | American Cyanamid Co | Vibration damping 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 | 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 (fr) * | 2001-05-17 | 2002-11-28 | Toray Industries, Inc. | Mur insonorise en frp et procede de production correspondant |
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 |
-
2001
- 2001-04-17 FR FR0105209A patent/FR2823590B1/fr not_active Expired - Fee Related
-
2002
- 2002-04-17 AT AT02738201T patent/ATE385602T1/de not_active IP Right Cessation
- 2002-04-17 WO PCT/FR2002/001322 patent/WO2002084642A1/fr active IP Right Grant
- 2002-04-17 EP EP02738201A patent/EP1380027B1/fr not_active Expired - Lifetime
- 2002-04-17 US US10/473,031 patent/US7484592B2/en not_active Expired - Fee Related
- 2002-04-17 CA CA2441477A patent/CA2441477C/fr not_active Expired - Lifetime
- 2002-04-17 DE DE60224924T patent/DE60224924T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1380027A1 (fr) | 2004-01-14 |
US20040148891A1 (en) | 2004-08-05 |
FR2823590A1 (fr) | 2002-10-18 |
WO2002084642A1 (fr) | 2002-10-24 |
CA2441477C (fr) | 2010-12-07 |
US7484592B2 (en) | 2009-02-03 |
EP1380027B1 (fr) | 2008-02-06 |
CA2441477A1 (fr) | 2002-10-24 |
ATE385602T1 (de) | 2008-02-15 |
DE60224924D1 (de) | 2008-03-20 |
DE60224924T2 (de) | 2009-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20111230 |