ATE343054T1 - Schalldämpfende schicht für eine schalldämpfende platte und eine platte mit einer solchen schicht - Google Patents

Schalldämpfende schicht für eine schalldämpfende platte und eine platte mit einer solchen schicht

Info

Publication number
ATE343054T1
ATE343054T1 AT03362015T AT03362015T ATE343054T1 AT E343054 T1 ATE343054 T1 AT E343054T1 AT 03362015 T AT03362015 T AT 03362015T AT 03362015 T AT03362015 T AT 03362015T AT E343054 T1 ATE343054 T1 AT E343054T1
Authority
AT
Austria
Prior art keywords
panel
sound
layer
absorbing
splints
Prior art date
Application number
AT03362015T
Other languages
English (en)
Inventor
Alain Porte
Nathalie Pascal
Sylvain Thezelais
Eric Rambaud
Original Assignee
Airbus France
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 France filed Critical Airbus France
Application granted granted Critical
Publication of ATE343054T1 publication Critical patent/ATE343054T1/de

Links

Classifications

    • 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
    • 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
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0206—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising noise reduction means, e.g. acoustic liners
    • 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
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
AT03362015T 2002-09-10 2003-08-27 Schalldämpfende schicht für eine schalldämpfende platte und eine platte mit einer solchen schicht ATE343054T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0211193A FR2844304B1 (fr) 2002-09-10 2002-09-10 Couche acoustiquement resistive pour panneau d'attenuation acoustique, panneau utilisant une telle couche

Publications (1)

Publication Number Publication Date
ATE343054T1 true ATE343054T1 (de) 2006-11-15

Family

ID=31725970

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03362015T ATE343054T1 (de) 2002-09-10 2003-08-27 Schalldämpfende schicht für eine schalldämpfende platte und eine platte mit einer solchen schicht

Country Status (7)

Country Link
US (1) US6772857B2 (de)
EP (1) EP1398473B1 (de)
AT (1) ATE343054T1 (de)
CA (1) CA2439555C (de)
DE (1) DE60309112T2 (de)
ES (1) ES2274192T3 (de)
FR (1) FR2844304B1 (de)

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FR2838860B1 (fr) * 2002-04-17 2005-01-21 Airbus France Couche acoustiquement resistive multicomposant pour panneau d'attenuation acoustique et panneau ainsi obtenu
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US8602156B2 (en) * 2006-05-19 2013-12-10 United Technologies Corporation Multi-splice acoustic liner
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FR2925463B1 (fr) * 2007-12-21 2010-04-23 Airbus France Structure pour le traitement acoustique plus particulierement adaptee a une entree d'air d'une nacelle d'aeronef
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FR2966128B1 (fr) * 2010-10-15 2013-06-14 Airbus Operations Sas Nacelle d'aeronef incorporant une zone de jonction continue entre une paroi exterieure et un cadre avant et/ou un cadre arriere
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FR2971613B1 (fr) * 2011-02-10 2013-03-15 Airbus Operations Sas Panneau pour le traitement acoustique comprenant une jonction entre deux parties et procede de reparation d'un panneau pour le traitement acoustique
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FR2984280B1 (fr) * 2011-12-15 2013-12-20 Aircelle Sa Structure d'entree d'air pour nacelle de turboreacteur
EP2610052A1 (de) * 2011-12-30 2013-07-03 AGUSTAWESTLAND S.p.A. Innere Verkleidungstafel eines Luftfahrzeugs, und mit solchen Tafeln ausgestattetes Luftfahrzeug
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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
US9938852B2 (en) 2014-04-30 2018-04-10 The Boeing Company Noise attenuating lipskin assembly and methods of assembling the same
US9290274B2 (en) 2014-06-02 2016-03-22 Mra Systems, Inc. Acoustically attenuating sandwich panel constructions
EP3218611A4 (de) * 2014-11-10 2018-06-20 Xcelaero Corporation Lüfter mit integrierter akustischer behandlung
FR3029573B1 (fr) 2014-12-05 2019-04-05 Airbus Operations (S.A.S.) Inverseur de poussee pour un ensemble moteur d'aeronef, nacelle et ensemble moteur correspondants
JP6634454B2 (ja) * 2015-03-10 2020-01-22 エムアールエイ・システムズ・エルエルシー タービンエンジンにおける使用のための音響ライナ
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FR3041937B1 (fr) * 2015-10-05 2017-10-20 Airbus Operations Sas Structure compartimentee pour le traitement acoustique et le degivrage d'une nacelle d'aeronef et nacelle d'aeronef incorporant ladite structure
US10793282B2 (en) 2016-07-28 2020-10-06 The Boeing Company Liner assembly, engine housing, and methods of assembling the same
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DE102018107096A1 (de) 2018-03-26 2019-09-26 Rolls-Royce Deutschland Ltd & Co Kg Gasturbinentriebwerk und Paneel für ein Gasturbinentriebwerk
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
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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
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Also Published As

Publication number Publication date
EP1398473A1 (de) 2004-03-17
US20040045766A1 (en) 2004-03-11
US6772857B2 (en) 2004-08-10
DE60309112T2 (de) 2007-06-06
FR2844304B1 (fr) 2004-12-10
ES2274192T3 (es) 2007-05-16
DE60309112D1 (de) 2006-11-30
FR2844304A1 (fr) 2004-03-12
EP1398473B1 (de) 2006-10-18
CA2439555A1 (fr) 2004-03-10
CA2439555C (fr) 2011-11-15

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