FR2963469A1 - Panneau acoustique - Google Patents
Panneau acoustique Download PDFInfo
- Publication number
- FR2963469A1 FR2963469A1 FR1056136A FR1056136A FR2963469A1 FR 2963469 A1 FR2963469 A1 FR 2963469A1 FR 1056136 A FR1056136 A FR 1056136A FR 1056136 A FR1056136 A FR 1056136A FR 2963469 A1 FR2963469 A1 FR 2963469A1
- Authority
- FR
- France
- Prior art keywords
- fastening means
- outer skin
- acoustic panel
- panel
- acoustic
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/04—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of exhaust outlets or jet pipes
- B64D33/06—Silencing exhaust or propulsion jets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/243—Flange connections; Bolting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/44—Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/78—Other construction of jet pipes
- F02K1/82—Jet pipe walls, e.g. liners
- F02K1/827—Sound absorbing structures or liners
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
- B64D2033/0206—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising noise reduction means, e.g. acoustic liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
- B64D2033/0266—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes specially adapted for particular type of power plants
- B64D2033/0286—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes specially adapted for particular type of power plants for turbofan engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/30—Retaining components in desired mutual position
- F05B2260/301—Retaining bolts or nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/28—Three-dimensional patterned
- F05D2250/283—Three-dimensional patterned honeycomb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Plates (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Building Environments (AREA)
Abstract
Description
Claims (10)
- REVENDICATIONS1. Panneau acoustique (5) comprenant au moins une âme alvéolaire (51) disposée entre au moins une peau interne (52), et une peau externe (53), caractérisé en ce que ladite peau externe intègre au moins un moyen de fixation (61) apte à coopérer de manière démontable avec un moyen de fixation complémentaire (9) associé à une structure de rattachement.
- 2. Panneau acoustique (5) selon la revendication 1, caractérisé en 10 ce que le moyen de fixation est une vis (61) et le moyen de fixation complémentaire est un écrou (9) ou inversement.
- 3. Panneau acoustique (5) selon la revendication 1, caractérisé en ce que le moyen de fixation (61) et le moyen de fixation complémentaire (9) 15 forment une fixation rapide de type quart de tour.
- 4. Panneau acoustique (5) selon l'une quelconque des revendications 1 à 3, caractérisé en ce le moyen de fixation (61) est intégré dans la peau externe (53) par moulage et notamment lors d'une étape de 20 moulage d'au moins une partie du panneau.
- 5. Panneau acoustique (5) selon l'une quelconque des revendications 1 à 3, caractérisé en ce le moyen de fixation (61) est intégré dans la peau externe (53) par collage ou soudage sur la peau externe.
- 6. Panneau acoustique (5) selon l'une quelconque des revendications 1 à 3, caractérisé en ce le moyen de fixation (61) est fixé dans la peau externe (53) par rivetage. 30
- 7. Panneau acoustique (5) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le moyen de fixation (61) est intégré dans la peau externe (53) par l'intermédiaire d'une embase (612).
- 8. Panneau acoustique (5) selon l'une quelconque des 35 revendications 1 à 7, caractérisé en ce qu'il comprend une pluralité de moyens 25de fixation (61) dont au moins une partie est orientée selon une direction sensiblement parallèle à une direction d'installation du panneau.
- 9. Panneau acoustique (500) selon l'une quelconque des 5 revendications 1 à 8, caractérisé en ce que la peau externe (61) présente une surface courbe.
- 10. Panneau acoustique (5) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'intégration du moyen de fixation 10 (61) dans la peau externe (53) possède des propriétés rotulantes autour d'au moins un axe de pivotement.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1056136A FR2963469B1 (fr) | 2010-07-27 | 2010-07-27 | Panneau acoustique |
BR112013000154A BR112013000154A2 (pt) | 2010-07-27 | 2011-07-07 | painel acústico compreendedo pelo menos um núcleo celular disposto entre pelo menos uma película interna e uma película externa. |
CN201180036251.XA CN103003872B (zh) | 2010-07-27 | 2011-07-07 | 用于涡轮发动机机舱、具有内置紧固件的隔音板 |
RU2013107955/06A RU2579785C2 (ru) | 2010-07-27 | 2011-07-07 | Звукопоглощающая панель гондолы турбореактивного двигателя, оснащенная встроенными крепежными элементами |
PCT/FR2011/051628 WO2012022869A2 (fr) | 2010-07-27 | 2011-07-07 | Panneau acoustique pour nacelle de truboréacteur avec moyens de fixation intégrés |
EP11741643.8A EP2599078A2 (fr) | 2010-07-27 | 2011-07-07 | Panneau acoustique pour nacelle de truboréacteur avec moyens de fixation intégrés |
CA2803746A CA2803746A1 (fr) | 2010-07-27 | 2011-07-07 | Panneau acoustique pour nacelle de turboreacteur avec moyens de fixation integres |
US13/749,215 US8579078B2 (en) | 2010-07-27 | 2013-01-24 | Acoustic panel for a turbojet engine nacelle, with in-built fasteners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1056136A FR2963469B1 (fr) | 2010-07-27 | 2010-07-27 | Panneau acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2963469A1 true FR2963469A1 (fr) | 2012-02-03 |
FR2963469B1 FR2963469B1 (fr) | 2012-07-27 |
Family
ID=43735942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1056136A Active FR2963469B1 (fr) | 2010-07-27 | 2010-07-27 | Panneau acoustique |
Country Status (8)
Country | Link |
---|---|
US (1) | US8579078B2 (fr) |
EP (1) | EP2599078A2 (fr) |
CN (1) | CN103003872B (fr) |
BR (1) | BR112013000154A2 (fr) |
CA (1) | CA2803746A1 (fr) |
FR (1) | FR2963469B1 (fr) |
RU (1) | RU2579785C2 (fr) |
WO (1) | WO2012022869A2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3005100A1 (fr) * | 2013-04-26 | 2014-10-31 | Snecma | Carter de turbomachine |
FR3041998A1 (fr) * | 2015-10-01 | 2017-04-07 | Aircelle Sa | Panneau d’attenuation acoustique a structure a ame alveolaire imbriquee |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8740558B2 (en) * | 2011-04-29 | 2014-06-03 | United Technologies Corporation | External threaded mount attachment for fan case |
DE102014218350A1 (de) | 2014-09-12 | 2016-03-17 | Rolls-Royce Deutschland Ltd & Co Kg | Schalldämpfende Anordnung für eine Triebwerksgondel und Triebwerksgondel mit einer solchen Anordnung |
US10800134B2 (en) * | 2016-06-14 | 2020-10-13 | Raytheon Technologies Corporation | Structural panel with woven element core |
US10612564B2 (en) * | 2017-03-07 | 2020-04-07 | Rolls-Royce Corporation | Acoustic panel of turbine engine and method of arranging the acoustic panel |
GB201705732D0 (en) * | 2017-04-10 | 2017-05-24 | Rolls Royce Plc | Acoustic attenuation in gas turbine engines |
FR3086698B1 (fr) * | 2018-09-28 | 2021-01-22 | Airbus Operations Sas | Procede de fabrication de deux panneaux insonorisants dans un meme moule |
FR3123755B1 (fr) | 2021-06-08 | 2024-02-23 | Safran | Dispositif de traitement acoustique pour ensemble propulsif d’aeronef et son procede de fabrication |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080135329A1 (en) * | 2006-12-08 | 2008-06-12 | Strunk John T | Monolithic acoustically-treated engine nacelle inlet panels |
FR2926791A1 (fr) * | 2008-01-29 | 2009-07-31 | Aircelle Sa | Entree d'air pour nacelle d'aeronef, et ensemble propulsif comprenant une telle entree d'air |
WO2009147307A1 (fr) * | 2008-06-06 | 2009-12-10 | Aircelle | Carter comprenant une ceinture peripherique pour rotor de turbomachine |
GB2452476B (en) * | 2007-07-19 | 2010-01-20 | Assystem Uk Ltd | Acoustic liner for gas turbine engine and method of manufacture thereof |
FR2936223A1 (fr) * | 2008-09-23 | 2010-03-26 | Airbus France | Dispositif de liaison entre une entree d'air et une motorisation d'une nacelle d'aeronef |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4861208A (en) * | 1989-01-30 | 1989-08-29 | Chrysler Motors Corporation | Door trim panel fastening assembly |
US5831225A (en) * | 1996-07-26 | 1998-11-03 | Cascade Engineering, Inc. | System and method for fastening insulating layers to a support structure |
US20010048048A1 (en) | 1999-01-13 | 2001-12-06 | Brian L Riedel | Backside fitting attachment for nacelle acoustic panels |
GB0206136D0 (en) * | 2002-03-15 | 2002-04-24 | Rolls Royce Plc | Improvements in or relating to cellular materials |
FR2847304B1 (fr) * | 2002-11-18 | 2005-07-01 | Airbus France | Nacelle de reacteur d'aeronef a attenuation acoustique |
US6966594B2 (en) * | 2004-03-01 | 2005-11-22 | Lear Corporation | Vehicle trim panel and method of reducing BSR |
US7866440B2 (en) * | 2006-07-21 | 2011-01-11 | Rohr, Inc. | System for joining acoustic cellular panel sections in edge-to-edge relation |
US7503425B2 (en) * | 2006-10-02 | 2009-03-17 | Spirit Aerosystems, Inc. | Integrated inlet attachment |
GB2458679B (en) | 2008-03-28 | 2010-04-21 | Rolls Royce Plc | Acoustic liners |
RU80895U1 (ru) * | 2008-10-13 | 2009-02-27 | Государственное образовательное учреждение высшего профессионального образования "Ижевский государственный технический университет" | Шумопоглощающая панель |
US7857093B2 (en) * | 2009-03-17 | 2010-12-28 | Spirit Aerosystems, Inc. | Engine inlet deep acoustic liner section |
-
2010
- 2010-07-27 FR FR1056136A patent/FR2963469B1/fr active Active
-
2011
- 2011-07-07 WO PCT/FR2011/051628 patent/WO2012022869A2/fr active Application Filing
- 2011-07-07 RU RU2013107955/06A patent/RU2579785C2/ru not_active IP Right Cessation
- 2011-07-07 EP EP11741643.8A patent/EP2599078A2/fr not_active Withdrawn
- 2011-07-07 CN CN201180036251.XA patent/CN103003872B/zh not_active Expired - Fee Related
- 2011-07-07 CA CA2803746A patent/CA2803746A1/fr not_active Abandoned
- 2011-07-07 BR BR112013000154A patent/BR112013000154A2/pt not_active IP Right Cessation
-
2013
- 2013-01-24 US US13/749,215 patent/US8579078B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080135329A1 (en) * | 2006-12-08 | 2008-06-12 | Strunk John T | Monolithic acoustically-treated engine nacelle inlet panels |
GB2452476B (en) * | 2007-07-19 | 2010-01-20 | Assystem Uk Ltd | Acoustic liner for gas turbine engine and method of manufacture thereof |
FR2926791A1 (fr) * | 2008-01-29 | 2009-07-31 | Aircelle Sa | Entree d'air pour nacelle d'aeronef, et ensemble propulsif comprenant une telle entree d'air |
WO2009147307A1 (fr) * | 2008-06-06 | 2009-12-10 | Aircelle | Carter comprenant une ceinture peripherique pour rotor de turbomachine |
FR2936223A1 (fr) * | 2008-09-23 | 2010-03-26 | Airbus France | Dispositif de liaison entre une entree d'air et une motorisation d'une nacelle d'aeronef |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3005100A1 (fr) * | 2013-04-26 | 2014-10-31 | Snecma | Carter de turbomachine |
US9611863B2 (en) | 2013-04-26 | 2017-04-04 | Snecma | Turbine engine casing |
FR3041998A1 (fr) * | 2015-10-01 | 2017-04-07 | Aircelle Sa | Panneau d’attenuation acoustique a structure a ame alveolaire imbriquee |
Also Published As
Publication number | Publication date |
---|---|
RU2013107955A (ru) | 2014-09-10 |
WO2012022869A2 (fr) | 2012-02-23 |
WO2012022869A3 (fr) | 2012-04-05 |
EP2599078A2 (fr) | 2013-06-05 |
CN103003872A (zh) | 2013-03-27 |
BR112013000154A2 (pt) | 2016-05-24 |
CA2803746A1 (fr) | 2012-02-23 |
US20130133977A1 (en) | 2013-05-30 |
CN103003872B (zh) | 2015-07-01 |
RU2579785C2 (ru) | 2016-04-10 |
US8579078B2 (en) | 2013-11-12 |
FR2963469B1 (fr) | 2012-07-27 |
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