FR2980902B1 - Panneau d'attenuation acoustique structural - Google Patents

Panneau d'attenuation acoustique structural

Info

Publication number
FR2980902B1
FR2980902B1 FR1158936A FR1158936A FR2980902B1 FR 2980902 B1 FR2980902 B1 FR 2980902B1 FR 1158936 A FR1158936 A FR 1158936A FR 1158936 A FR1158936 A FR 1158936A FR 2980902 B1 FR2980902 B1 FR 2980902B1
Authority
FR
France
Prior art keywords
acoustic attenuation
attenuation panel
structural acoustic
structural
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
Application number
FR1158936A
Other languages
English (en)
Other versions
FR2980902A1 (fr
Inventor
Guy Bernard Vauchel
Eric Pillon
Christophe Mahu
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.)
Safran Nacelles SAS
Original Assignee
Aircelle SA
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
Priority to FR1158936A priority Critical patent/FR2980902B1/fr
Application filed by Aircelle SA filed Critical Aircelle SA
Priority to PCT/FR2012/052226 priority patent/WO2013050694A1/fr
Priority to EP12775807.6A priority patent/EP2764510A1/fr
Priority to CN201280048519.6A priority patent/CN103858159A/zh
Priority to CA2848248A priority patent/CA2848248A1/fr
Priority to RU2014117115/28A priority patent/RU2014117115A/ru
Priority to BR112014006561A priority patent/BR112014006561A2/pt
Publication of FR2980902A1 publication Critical patent/FR2980902A1/fr
Application granted granted Critical
Publication of FR2980902B1 publication Critical patent/FR2980902B1/fr
Priority to US14/243,326 priority patent/US20140326536A1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • 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
    • 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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR1158936A 2011-10-04 2011-10-04 Panneau d'attenuation acoustique structural Expired - Fee Related FR2980902B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR1158936A FR2980902B1 (fr) 2011-10-04 2011-10-04 Panneau d'attenuation acoustique structural
EP12775807.6A EP2764510A1 (fr) 2011-10-04 2012-10-02 Panneau d'atténuation acoustique structural
CN201280048519.6A CN103858159A (zh) 2011-10-04 2012-10-02 结构性声衰减板
CA2848248A CA2848248A1 (fr) 2011-10-04 2012-10-02 Panneau d'attenuation acoustique structural
PCT/FR2012/052226 WO2013050694A1 (fr) 2011-10-04 2012-10-02 Panneau d'atténuation acoustique structural
RU2014117115/28A RU2014117115A (ru) 2011-10-04 2012-10-02 Структурная звукопоглощающая панель
BR112014006561A BR112014006561A2 (pt) 2011-10-04 2012-10-02 elemento de nacela e painel de atenuação acústica estrutural do mesmo
US14/243,326 US20140326536A1 (en) 2011-10-04 2014-04-02 Structural acoustic attenuation panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1158936A FR2980902B1 (fr) 2011-10-04 2011-10-04 Panneau d'attenuation acoustique structural

Publications (2)

Publication Number Publication Date
FR2980902A1 FR2980902A1 (fr) 2013-04-05
FR2980902B1 true FR2980902B1 (fr) 2013-09-13

Family

ID=47071391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158936A Expired - Fee Related FR2980902B1 (fr) 2011-10-04 2011-10-04 Panneau d'attenuation acoustique structural

Country Status (8)

Country Link
US (1) US20140326536A1 (fr)
EP (1) EP2764510A1 (fr)
CN (1) CN103858159A (fr)
BR (1) BR112014006561A2 (fr)
CA (1) CA2848248A1 (fr)
FR (1) FR2980902B1 (fr)
RU (1) RU2014117115A (fr)
WO (1) WO2013050694A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5486640B2 (ja) * 2012-06-08 2014-05-07 東海ゴム工業株式会社 振動部材取付構造
JP6484408B2 (ja) * 2014-06-24 2019-03-13 ニチアス株式会社 防音材、及び防音カバーの製造方法
FR3036307B1 (fr) * 2015-05-22 2017-06-02 Halcyon Procede ameliore de fabrication d'une piece metallique du type sandwich presentant une forme non-developpable
US9783316B2 (en) 2015-06-22 2017-10-10 Rohr, Inc. Acoustic panel assembly with a folding chamber
US10436118B2 (en) 2017-06-19 2019-10-08 Rohr, Inc. Acoustic panel with folding chamber
FR3068007B1 (fr) 2017-06-23 2021-07-16 Safran Nacelles Dispositif de traitement acoustique pour nacelle de turboreacteur d'aeronef
US11315538B2 (en) 2017-12-13 2022-04-26 The Boeing Company Anti-resonant panels
US11056092B2 (en) * 2017-12-13 2021-07-06 The Boeing Company Anti-resonant panel and methods of making the same
FR3090471A1 (fr) * 2018-12-24 2020-06-26 Airbus Operations (S.A.S.) Procédé de fabrication d’une structure d’absorption acoustique comprenant un panneau alvéolaire intégrant des éléments acoustiques et structure d’absorption acoustique obtenue à partir dudit procédé
US20220130363A1 (en) * 2019-02-13 2022-04-28 Nissan Motor Co., Ltd. Soundproofing structure
US20220189445A1 (en) * 2019-02-13 2022-06-16 Nissan Motor Co., Ltd. Soundproofing structure
GB2583751B (en) * 2019-05-09 2022-02-02 Safran Nacelles Ltd Acoustic panel
FR3100918A1 (fr) * 2019-09-12 2021-03-19 Safran Nacelles Panneau acoustique pour un ensemble propulsif d’aeronef, et son procede de fabrication
GB2588204B (en) 2019-10-15 2022-09-14 Safran Nacelles Ltd Aircraft nacelle inlet
CN113123875B (zh) * 2019-12-31 2022-07-08 中国航发商用航空发动机有限责任公司 航空发动机吸声装置及航空发动机
US20220139364A1 (en) * 2020-11-02 2022-05-05 Pratt & Whitney Canada Corp. Sandwich-structured panels and method of manufacture
US20230167774A1 (en) * 2021-12-01 2023-06-01 Rohr, Inc. Attachment ring insulator systems, methods, and assemblies
FR3134220A1 (fr) * 2022-04-01 2023-10-06 Airbus Operations (S.A.S.) Panneau acoustique comprenant au moins deux structures alvéolaires imbriquées l’une dans l’autre, aéronef comportant au moins un tel panneau acoustique

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759513A (en) * 1986-09-26 1988-07-26 Quiet Nacelle Corporation Noise reduction nacelle
GB9424495D0 (en) * 1994-12-05 1995-01-25 Short Brothers Plc Aerodynamic low drag structure
DE29606817U1 (de) * 1996-04-15 1997-08-14 M. Faist GmbH & Co KG, 86381 Krumbach Mehrschichtiges schallabsorbierendes Bauteil
US6173807B1 (en) * 1998-04-13 2001-01-16 The Boeing Company Engine nacelle acoustic panel with integral wedge fairings and an integral forward ring
FR2767560B1 (fr) * 1997-08-19 1999-11-12 Aerospatiale Ensemble reducteur de bruit pour turboreacteur d'aeronef
US6123172A (en) * 1999-07-22 2000-09-26 Lydall, Inc. Thermal and acoustical insulating shield
FR2787509B1 (fr) * 1998-12-21 2001-03-30 Aerospatiale Structure d'entree d'air pour moteur d'aeronef
GB0016149D0 (en) * 2000-06-30 2000-08-23 Short Brothers Plc A noise attenuation panel
DE10054120B4 (de) * 2000-10-31 2005-10-20 Karl Bachl Gmbh & Co Kg Aufsparrendämmelement
GB2418957B (en) * 2003-10-22 2006-07-05 Rolls Royce Plc A liner for a gas turbine engine casing
FR2869360B1 (fr) * 2004-04-27 2006-07-14 Airbus France Sas Ensemble reducteur de bruit pour turboreacteur d'aeronef
FR2928625B1 (fr) * 2008-03-14 2012-11-30 Aircelle Sa Dispositif de degivrage electrique
FR2933224B1 (fr) 2008-06-25 2010-10-29 Aircelle Sa Panneau accoustique pour une tuyere d'ejection

Also Published As

Publication number Publication date
RU2014117115A (ru) 2015-11-10
CA2848248A1 (fr) 2013-04-11
WO2013050694A1 (fr) 2013-04-11
US20140326536A1 (en) 2014-11-06
CN103858159A (zh) 2014-06-11
FR2980902A1 (fr) 2013-04-05
BR112014006561A2 (pt) 2017-03-28
EP2764510A1 (fr) 2014-08-13

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Legal Events

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