DE60322140D1 - Schallwiderstandsfähige Mehrkomponentenschicht für eine schalldämpfende Platte und Platte unter Verwendung einer solchen Schicht - Google Patents
Schallwiderstandsfähige Mehrkomponentenschicht für eine schalldämpfende Platte und Platte unter Verwendung einer solchen SchichtInfo
- Publication number
- DE60322140D1 DE60322140D1 DE60322140T DE60322140T DE60322140D1 DE 60322140 D1 DE60322140 D1 DE 60322140D1 DE 60322140 T DE60322140 T DE 60322140T DE 60322140 T DE60322140 T DE 60322140T DE 60322140 D1 DE60322140 D1 DE 60322140D1
- Authority
- DE
- Germany
- Prior art keywords
- layer
- panel
- sound
- fibres
- damping
- 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
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
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Woven Fabrics (AREA)
- Building Environments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0204801A FR2838860B1 (fr) | 2002-04-17 | 2002-04-17 | Couche acoustiquement resistive multicomposant pour panneau d'attenuation acoustique et panneau ainsi obtenu |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60322140D1 true DE60322140D1 (de) | 2008-08-28 |
Family
ID=28459906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60322140T Expired - Lifetime DE60322140D1 (de) | 2002-04-17 | 2003-04-15 | Schallwiderstandsfähige Mehrkomponentenschicht für eine schalldämpfende Platte und Platte unter Verwendung einer solchen Schicht |
Country Status (6)
Country | Link |
---|---|
US (1) | US6840349B2 (de) |
EP (1) | EP1355294B1 (de) |
AT (1) | ATE401643T1 (de) |
CA (1) | CA2425364C (de) |
DE (1) | DE60322140D1 (de) |
FR (1) | FR2838860B1 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2823590B1 (fr) * | 2001-04-17 | 2003-07-25 | Eads Airbus Sa | Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee |
US7337875B2 (en) * | 2004-06-28 | 2008-03-04 | United Technologies Corporation | High admittance acoustic liner |
US20070104934A1 (en) * | 2005-11-10 | 2007-05-10 | General Electric Company | Lightweight nacelle for turbines and methods for making same |
US7955698B2 (en) * | 2006-11-15 | 2011-06-07 | Honeywell International Inc. | Fiber-based acoustic treatment material and methods of making the same |
FR2912833B1 (fr) * | 2007-02-20 | 2009-08-21 | Airbus France Sas | Panneau pour le traitement acoustique |
US20080248300A1 (en) * | 2007-04-05 | 2008-10-09 | United Technologies Corporation | Processes for repairing erosion resistant coatings |
JP2009062977A (ja) * | 2007-08-15 | 2009-03-26 | Rohr Inc | 線形音響ライナー |
US20090188748A1 (en) * | 2008-01-24 | 2009-07-30 | Honeywell International Inc. | Noise suppression panels and repair methods therefor |
US7757810B2 (en) | 2008-04-03 | 2010-07-20 | Soundtech, Inc. | Transparent acoustical laminate wall system and method of forming same |
CN102089801B (zh) * | 2008-05-22 | 2013-05-29 | 3M创新有限公司 | 包括网片层的多层吸声结构 |
TWI651455B (zh) * | 2009-01-14 | 2019-02-21 | Kuraray Co., Ltd | 隔音板、隔音構造及隔音方法 |
FR2953973A1 (fr) * | 2009-12-11 | 2011-06-17 | Aircelle Sa | Procede de fabrication de panneau acoustique pour nacelle d'aeronef |
DE102010015638B4 (de) * | 2010-04-20 | 2015-02-12 | Airbus Operations Gmbh | Luftfahrzeugkabinen-Plattenabsorber |
KR101964644B1 (ko) * | 2012-05-10 | 2019-04-02 | 엘지전자 주식회사 | 소음저감부가 구비된 가전기기 |
US9643392B2 (en) | 2013-07-29 | 2017-05-09 | The Boeing Company | Septumization of honeycomb sandwiches |
US8820477B1 (en) * | 2013-07-29 | 2014-09-02 | The Boeing Company | Acoustic panel |
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 |
US9656761B2 (en) | 2014-04-30 | 2017-05-23 | The Boeing Company | Lipskin for a nacelle and methods of making the same |
US9604438B2 (en) | 2014-04-30 | 2017-03-28 | The Boeing Company | Methods and apparatus for noise attenuation in an engine nacelle |
US9693166B2 (en) | 2014-06-24 | 2017-06-27 | The Boeing Company | Automated production of acoustic structures |
US9931825B2 (en) | 2014-07-09 | 2018-04-03 | The Boeing Company | Septumization of cellular cores |
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 |
FR3065472B1 (fr) * | 2017-04-25 | 2019-05-03 | Airbus Operations | Panneau pour le traitement acoustique comprenant une structure acoustiquement resistive poreuse comportant des canaux de connexion |
FR3065473B1 (fr) | 2017-04-25 | 2019-04-19 | Airbus Operations | Panneau pour le traitement acoustique comprenant des alveoles contenant chacune une pluralite de conduits |
US11059559B2 (en) | 2018-03-05 | 2021-07-13 | General Electric Company | Acoustic liners with oblique cellular structures |
US11052987B2 (en) * | 2018-05-30 | 2021-07-06 | The Boeing Company | Integrally damped composite aircraft floor panels |
US11047304B2 (en) | 2018-08-08 | 2021-06-29 | General Electric Company | Acoustic cores with sound-attenuating protuberances |
US11353240B2 (en) | 2018-10-02 | 2022-06-07 | United States Of America As Represented By The Administrator Of Nasa | Low drag, variable-depth acoustic liner |
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 |
US11668236B2 (en) | 2020-07-24 | 2023-06-06 | General Electric Company | Acoustic liners with low-frequency sound wave attenuating features |
FR3113170A1 (fr) * | 2020-07-31 | 2022-02-04 | Airbus Operations | Matériau acoustique en bande à bride intégrée, et paroi interne d’une entrée d’air d’aéronef réalisée avec ce matériau |
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 |
EP4169706A1 (de) * | 2021-10-25 | 2023-04-26 | Airbus Operations SAS | Resistives hautelement für eine akustikplatte für ein flugzeug |
FR3129241A1 (fr) * | 2021-11-17 | 2023-05-19 | Airbus Operations | Peau poreuse pourvue d’une pluralité de bandes et panneau d’atténuation acoustique comprenant une telle peau poreuse. |
US11965425B2 (en) | 2022-05-31 | 2024-04-23 | General Electric Company | Airfoil for a turbofan engine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
GB2130963B (en) * | 1982-11-30 | 1986-03-19 | Rolls Royce | Manufacturing damped resonator acoustical panel |
US4671841A (en) * | 1986-01-06 | 1987-06-09 | Rohr Industries, Inc. | Method of making an acoustic panel with a triaxial open-weave face sheet |
GB9014381D0 (en) * | 1990-06-28 | 1990-08-22 | Short Brothers Plc | A composite structural component |
US5975237A (en) * | 1997-07-30 | 1999-11-02 | The Boeing Company | Reinforcing structure for engine nacelle acoustic panel |
DE69820676T2 (de) * | 1997-11-12 | 2004-06-17 | Collins & Aikman Products Co. | Vibrationsdämpfendes verbundmaterial |
FR2844304B1 (fr) * | 2002-09-10 | 2004-12-10 | Airbus France | Couche acoustiquement resistive pour panneau d'attenuation acoustique, panneau utilisant une telle couche |
-
2002
- 2002-04-17 FR FR0204801A patent/FR2838860B1/fr not_active Expired - Fee Related
-
2003
- 2003-04-15 DE DE60322140T patent/DE60322140D1/de not_active Expired - Lifetime
- 2003-04-15 CA CA2425364A patent/CA2425364C/fr not_active Expired - Fee Related
- 2003-04-15 AT AT03362003T patent/ATE401643T1/de not_active IP Right Cessation
- 2003-04-15 US US10/413,466 patent/US6840349B2/en not_active Expired - Lifetime
- 2003-04-15 EP EP03362003A patent/EP1355294B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2838860A1 (fr) | 2003-10-24 |
US6840349B2 (en) | 2005-01-11 |
EP1355294A1 (de) | 2003-10-22 |
US20040016595A1 (en) | 2004-01-29 |
FR2838860B1 (fr) | 2005-01-21 |
EP1355294B1 (de) | 2008-07-16 |
CA2425364C (fr) | 2011-04-05 |
ATE401643T1 (de) | 2008-08-15 |
CA2425364A1 (fr) | 2003-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Representative=s name: MAHLER, P., DIPL.-PHYS., PAT.-ANW., 22397 HAMBURG |
|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Ref document number: 1355294 Country of ref document: EP Representative=s name: PETER MAHLER, 22397 HAMBURG, DE |