FR3019775B1 - Revetement acoustique - Google Patents

Revetement acoustique

Info

Publication number
FR3019775B1
FR3019775B1 FR1553061A FR1553061A FR3019775B1 FR 3019775 B1 FR3019775 B1 FR 3019775B1 FR 1553061 A FR1553061 A FR 1553061A FR 1553061 A FR1553061 A FR 1553061A FR 3019775 B1 FR3019775 B1 FR 3019775B1
Authority
FR
France
Prior art keywords
acoustic coating
acoustic
coating
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.)
Active
Application number
FR1553061A
Other languages
English (en)
Other versions
FR3019775A1 (fr
Inventor
Christian Soria
Jose S Alonso-Miralles
Hwa-Wan Kwan
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.)
Rohr Inc
Original Assignee
Rohr Inc
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 Rohr Inc filed Critical Rohr Inc
Publication of FR3019775A1 publication Critical patent/FR3019775A1/fr
Application granted granted Critical
Publication of FR3019775B1 publication Critical patent/FR3019775B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02C7/24—Heat or noise insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • 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
    • 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
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/185—Two-dimensional patterned serpentine-like
    • 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
    • F05D2260/963—Preventing, counteracting or reducing vibration or noise by Helmholtz resonators
    • 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
FR1553061A 2014-04-11 2015-04-09 Revetement acoustique Active FR3019775B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/251,226 US9476359B2 (en) 2014-04-11 2014-04-11 Acoustic liner

Publications (2)

Publication Number Publication Date
FR3019775A1 FR3019775A1 (fr) 2015-10-16
FR3019775B1 true FR3019775B1 (fr) 2017-12-22

Family

ID=54241639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1553061A Active FR3019775B1 (fr) 2014-04-11 2015-04-09 Revetement acoustique

Country Status (2)

Country Link
US (1) US9476359B2 (fr)
FR (1) FR3019775B1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9514734B1 (en) * 2011-06-30 2016-12-06 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Acoustic liners for turbine engines
FR3031142B1 (fr) * 2014-12-24 2017-03-24 Aircelle Sa Panneau d’attenuation acoustique pour nacelle de turboreacteur
US9650963B2 (en) * 2015-01-29 2017-05-16 Rohr, Inc. Acoustic structural panel with herringbone core
US10486821B2 (en) * 2015-07-07 2019-11-26 The Boeing Company Jet engine anti-icing and noise-attenuating air inlets
US9771868B2 (en) 2015-07-21 2017-09-26 The Boeing Company Sound attenuation apparatus and method
US9587563B2 (en) * 2015-07-21 2017-03-07 The Boeing Company Sound attenuation apparatus and method
US10174675B2 (en) 2015-12-30 2019-01-08 General Electric Company Acoustic liner for gas turbine engine components
US9761216B2 (en) 2016-02-10 2017-09-12 Rohr, Inc. Acoustic panel with angled corrugated core structures
US9764818B2 (en) 2016-02-10 2017-09-19 Rohr, Inc. Structural, cellular core with corrugated support walls
US10738738B2 (en) * 2016-06-17 2020-08-11 Rohr, Inc. Nacelle with bifurcation extension and integral structural reinforcement
US10577117B2 (en) * 2017-08-04 2020-03-03 Hexcel Corporation Angled acoustic honeycomb
FR3070529B1 (fr) 2017-08-31 2019-12-20 Safran Nacelles Panneau acoustique a resonateurs pour volume reduit
US10836502B2 (en) * 2017-12-15 2020-11-17 The Boeing Company Wave-shaped acoustic insert and core
FR3078431A1 (fr) 2018-02-28 2019-08-30 Airbus Operations Revetement insonorisant comportant une structure alveolaire a cellules courbes formees de part et d'autre d'une meme paroi interieure
US11059559B2 (en) 2018-03-05 2021-07-13 General Electric Company Acoustic liners with oblique cellular structures
US11066147B2 (en) * 2018-07-10 2021-07-20 Rohr, Inc. Structured panel with integrated skin and sidewalls
US11047304B2 (en) 2018-08-08 2021-06-29 General Electric Company Acoustic cores with sound-attenuating protuberances
US11568845B1 (en) 2018-08-20 2023-01-31 Board of Regents for the Oklahoma Agricultural & Mechanical Colleges Method of designing an 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
FR3093025B1 (fr) * 2019-02-26 2023-03-24 Safran Nacelles Système alvéolaire dilatable pour panneau sandwich
US11434819B2 (en) 2019-03-29 2022-09-06 General Electric Company Acoustic liners with enhanced acoustic absorption and reduced drag characteristics
US11260641B2 (en) 2019-05-10 2022-03-01 American Honda Motor Co., Inc. Apparatus for reticulation of adhesive and methods of use thereof
US11572850B2 (en) 2019-06-04 2023-02-07 Rohr, Inc. Acoustic panel with one or more structural stiffeners
FR3098143A1 (fr) 2019-07-05 2021-01-08 Airbus Operations Revêtement insonorisant comportant une structure alvéolaire formée de bandes longitudinales formant des résonateurs de Helmholtz et des cavités intermédiaires traitant des plages acoustiques différentes
US11668236B2 (en) 2020-07-24 2023-06-06 General Electric Company Acoustic liners with low-frequency sound wave attenuating features
CN114909223A (zh) * 2021-02-08 2022-08-16 中国航发商用航空发动机有限责任公司 航空发动机声衬装置以及航空发动机
US11846235B2 (en) 2021-07-27 2023-12-19 Honeywell International Inc. Systems for sound attenuation
CA3155206A1 (fr) * 2022-04-13 2023-10-13 Safran Aircraft Engines Absorbant acoustique et son procede de production
US11965425B2 (en) 2022-05-31 2024-04-23 General Electric Company Airfoil for a turbofan engine

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542152A (en) 1968-04-08 1970-11-24 Gen Electric Sound suppression panel
US3821999A (en) * 1972-09-05 1974-07-02 Mc Donnell Douglas Corp Acoustic liner
US3831710A (en) * 1973-01-24 1974-08-27 Lockheed Aircraft Corp Sound absorbing panel
US3948346A (en) 1974-04-02 1976-04-06 Mcdonnell Douglas Corporation Multi-layered acoustic liner
US4158401A (en) * 1975-07-11 1979-06-19 Bridgestone Tire Company Limited Device for controlling a propagation direction of noise
US4141433A (en) * 1976-06-04 1979-02-27 Lord Corporation Sound absorbing structure
DE2631812A1 (de) * 1976-07-15 1978-01-19 Messerschmitt Boelkow Blohm Absorptionselement zum daempfen von schall
US6182787B1 (en) * 1999-01-12 2001-02-06 General Electric Company Rigid sandwich panel acoustic treatment
US6789646B2 (en) * 2002-10-11 2004-09-14 Lear Corporation Tunable sound absorbing and air filtering attenuating device
GB0223697D0 (en) 2002-10-14 2002-11-20 Rolls Royce Plc Acoustic liner for gas turbine engineers
FR2912833B1 (fr) 2007-02-20 2009-08-21 Airbus France Sas Panneau pour le traitement acoustique
JP4935443B2 (ja) * 2007-03-19 2012-05-23 株式会社日立製作所 電子機器の吸音構造
FR2915522A1 (fr) 2007-04-30 2008-10-31 Airbus France Sas Panneau acoustique a caracteristique acoustique variable
US20100206664A1 (en) * 2007-07-12 2010-08-19 Rolls-Royce Plc Acoustic panel
FR2922152B1 (fr) 2007-10-16 2009-11-20 Aircelle Sa Structure a ame alveolaire pour panneau acoustique
FR2930764B1 (fr) 2008-04-30 2010-05-07 Airbus France Panneau d'attenuation d'ondes intercale entre une motorisation et une entree d'air d'une nacelle d'aeronef
US7959109B2 (en) 2008-07-02 2011-06-14 The Boeing Company Dual valve apparatus for aircraft engine ice protection and related methods
GB0907578D0 (en) * 2009-05-05 2009-06-10 Rolls Royce Plc A damping assembly
FR2953058B1 (fr) 2009-11-23 2017-11-03 Aircelle Sa Peau acoustique pour un panneau acoustique d'une nacelle d'aeronef
DE102011008922A1 (de) * 2011-01-19 2012-07-19 Rolls-Royce Deutschland Ltd. & Co. Kg Verfahren zur Herstellung eines Schallabsorbers, insbesondere für einen Gasturbinenabgaskonus
FR2979385A1 (fr) 2011-08-22 2013-03-01 Snecma Panneau d'isolation acoustique pour turbomachine et turbomachine comportant un tel panneau
GB201209658D0 (en) * 2012-05-31 2012-07-11 Rolls Royce Plc Acoustic panel

Also Published As

Publication number Publication date
US9476359B2 (en) 2016-10-25
US20150292413A1 (en) 2015-10-15
FR3019775A1 (fr) 2015-10-16

Similar Documents

Publication Publication Date Title
FR3019775B1 (fr) Revetement acoustique
DK3139981T3 (da) Forstøver
DK3134402T3 (da) 4-amino-imidazoquinolinforbindelser
DK3183051T3 (da) Væske-til-luftmembranenergivekslere
DK3211743T3 (da) Ø-til-netværk-omskiftningsfremgangsmåde
DK3222714T3 (da) Phytasemutanter
DK3119396T3 (da) Muscarinreceptoragonister
DK3006072T3 (da) Karadgang
DK3206740T3 (da) Forstøvere
DE112015001664A5 (de) Betätigungsaktuator
DK3139984T3 (da) Forstøver
DK3183340T3 (da) Termolabile exonukleaser
DK3154703T3 (da) Fuldkappe-snekkecentrifuge
DK3110439T3 (da) Pcsk9-vacciner
DE112015005041A5 (de) Gargerätevorrichtung
DE102014000623A8 (de) Halbhohlnietelement
DK3009858T3 (da) Skyradar
DE112015001633A5 (de) Betätigungsaktuator
DK3447493T3 (da) Proteinrettede ortologer
ES1133830Y (es) Columbario
DK3164118T3 (da) Coatede partikler
DK3091875T3 (da) Vipbar taburet
DK3298800T3 (da) Benledningsmikrofon
DE112016000942A5 (de) Mikrofoneinheit
DE112015005055A5 (de) Gargerätevorrichtung

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20170303

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10