FR2965859B1 - Dispositif de traitement acoustique du bruit emis par un turboreacteur - Google Patents

Dispositif de traitement acoustique du bruit emis par un turboreacteur

Info

Publication number
FR2965859B1
FR2965859B1 FR1058148A FR1058148A FR2965859B1 FR 2965859 B1 FR2965859 B1 FR 2965859B1 FR 1058148 A FR1058148 A FR 1058148A FR 1058148 A FR1058148 A FR 1058148A FR 2965859 B1 FR2965859 B1 FR 2965859B1
Authority
FR
France
Prior art keywords
turbojetactor
noise emitted
processing noise
acoustically processing
acoustically
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
FR1058148A
Other languages
English (en)
Other versions
FR2965859A1 (fr
Inventor
Jacky Novi Mardjono
Jacques Michel Albert Julliard
Georges Jean Xavier Riou
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 Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR1058148A priority Critical patent/FR2965859B1/fr
Priority to US13/267,327 priority patent/US8579225B2/en
Publication of FR2965859A1 publication Critical patent/FR2965859A1/fr
Application granted granted Critical
Publication of FR2965859B1 publication Critical patent/FR2965859B1/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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
FR1058148A 2010-10-07 2010-10-07 Dispositif de traitement acoustique du bruit emis par un turboreacteur Active FR2965859B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1058148A FR2965859B1 (fr) 2010-10-07 2010-10-07 Dispositif de traitement acoustique du bruit emis par un turboreacteur
US13/267,327 US8579225B2 (en) 2010-10-07 2011-10-06 Device for acoustic treatment of the noise emitted by a turbojet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1058148A FR2965859B1 (fr) 2010-10-07 2010-10-07 Dispositif de traitement acoustique du bruit emis par un turboreacteur

Publications (2)

Publication Number Publication Date
FR2965859A1 FR2965859A1 (fr) 2012-04-13
FR2965859B1 true FR2965859B1 (fr) 2012-11-02

Family

ID=43838082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1058148A Active FR2965859B1 (fr) 2010-10-07 2010-10-07 Dispositif de traitement acoustique du bruit emis par un turboreacteur

Country Status (2)

Country Link
US (1) US8579225B2 (fr)
FR (1) FR2965859B1 (fr)

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GB201209658D0 (en) * 2012-05-31 2012-07-11 Rolls Royce Plc Acoustic panel
US9168716B2 (en) * 2012-09-14 2015-10-27 The Boeing Company Metallic sandwich structure having small bend radius
EP2971659B1 (fr) * 2013-03-15 2021-09-22 Raytheon Technologies Corporation Revêtement acoustique ayant des caractéristiques variées
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10160533B2 (en) * 2014-09-23 2018-12-25 The Boeing Company Aircraft cabin pressure regulating subfloor
WO2016077395A1 (fr) * 2014-11-10 2016-05-19 Xcelaero Corporation Ventilateur avec insonorisation intégrée
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US10371173B2 (en) * 2015-05-07 2019-08-06 United Technologies Corporation Liner for a gas turbine engine
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
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
GB201705734D0 (en) 2017-04-10 2017-05-24 Rolls Royce Plc Flow splitter
GB201720603D0 (en) 2017-12-11 2018-01-24 Rolls Royce Plc Fairings for power generation machines
FR3078107B1 (fr) * 2018-02-19 2020-07-31 Safran Aircraft Engines Nacelle de turbomachine a parois acoustiquement poreuses
GB201802768D0 (en) * 2018-02-21 2018-04-04 Rolls Royce Plc Fairings for power generation machines
US11092077B2 (en) * 2018-03-28 2021-08-17 Pratt & Whitney Canada Corp. Aircraft component and method of manufacture
FR3080151B1 (fr) * 2018-04-13 2020-11-20 Safran Aircraft Engines Panneau de traitement acoustique pour turboreacteur
US11325718B2 (en) * 2018-05-02 2022-05-10 Rohr, Inc. Aircraft propulsion system assembly including one or more acoustic panels
FR3082238A1 (fr) * 2018-06-11 2019-12-13 Airbus Operations Tuyere primaire d'un conduit d'ejection primaire d'une turbomachine
US20200392899A1 (en) * 2019-06-14 2020-12-17 Pratt & Whitney Canada Corp. Acoustic treatment for aircraft engine
US11591958B2 (en) * 2019-06-14 2023-02-28 Pratt & Whitney Canada Corp. Turbofan engine with acoustic treatment
US11408349B2 (en) * 2020-08-14 2022-08-09 Raytheon Technologies Corporation Active flow control transpirational flow acoustically lined guide vane
US11512608B2 (en) 2020-08-14 2022-11-29 Raytheon Technologies Corporation Passive transpirational flow acoustically lined guide vane
US11428191B1 (en) 2021-04-30 2022-08-30 Rhor, Inc. Acoustic zoned system for turbofan engine exhaust application
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system
FR3132697A1 (fr) * 2022-02-14 2023-08-18 Airbus Operations Structure fixe interne pour aéronef comportant une structure en nids d’abeille, un échangeur thermo-acoustique, un isolant thermique et des moyens de fixation

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FR2613773B1 (fr) * 1987-04-08 1990-11-30 Snecma Panneau acoustique pour garniture insonorisante et turboreacteur comportant une telle garniture
US5167118A (en) * 1989-11-06 1992-12-01 Nordam Jet engine fixed plug noise suppressor
US5060471A (en) * 1989-11-06 1991-10-29 501 Nordam Jet engine noise reduction system
US5824973A (en) * 1992-09-29 1998-10-20 Johns Manville International, Inc. Method of making sound absorbing laminates and laminates having maximized sound absorbing characteristics
US5478199A (en) * 1994-11-28 1995-12-26 General Electric Company Active low noise fan assembly
US6094907A (en) * 1996-06-05 2000-08-01 The Boeing Company Jet engine and method for reducing jet engine noise by reducing nacelle boundary layer thickness
US5923003A (en) * 1996-09-09 1999-07-13 Northrop Grumman Corporation Extended reaction acoustic liner for jet engines and the like
SE515528C2 (sv) * 1999-12-07 2001-08-20 Saab Ab Anordning vid en akustisk absorbent
GB0016149D0 (en) * 2000-06-30 2000-08-23 Short Brothers Plc A noise attenuation panel
FR2817994B1 (fr) * 2000-12-08 2003-02-28 Eads Airbus Sa Panneau acoustique sandwich
FR2847304B1 (fr) * 2002-11-18 2005-07-01 Airbus France Nacelle de reacteur d'aeronef a attenuation acoustique
EP1732062B1 (fr) * 2005-06-07 2013-08-14 Alstom Technology Ltd Silencieux
FR2898940B1 (fr) * 2006-03-24 2008-05-30 Snecma Sa Corps central de tuyere de turboreacteur
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US7540354B2 (en) * 2006-05-26 2009-06-02 United Technologies Corporation Micro-perforated acoustic liner
FR2911923B1 (fr) * 2007-01-25 2011-07-08 Snecma Redresseur acoustique pour carter de soufflante de turboreacteur
FR2916737B1 (fr) * 2007-06-01 2010-05-28 Airbus France Ensemble moteur pour aeronef a nacelle coulissante.
FR2925877B1 (fr) * 2007-12-26 2009-12-04 Aircelle Sa Installation de systeme de guidage sur une nacelle d'aeronef.
FR2929336B1 (fr) * 2008-03-31 2012-06-01 Airbus France Dispositif a jets plans de reduction du bruit genere par un reacteur d'aeronef
FR2929334B1 (fr) * 2008-03-31 2012-06-01 Airbus France Dispositif de reduction du bruit genere par reacteur d'aeronef a conduits de fluide coudes
FR2935017B1 (fr) * 2008-08-13 2012-11-02 Snecma Paroi interne d'une nacelle de turbomachine
DE102008062701A1 (de) * 2008-12-17 2010-07-01 Airbus Deutschland Gmbh Flugzeugkabinenpaneel mit Kerntaschen zur Schallabsorption

Also Published As

Publication number Publication date
US20120085861A1 (en) 2012-04-12
FR2965859A1 (fr) 2012-04-13
US8579225B2 (en) 2013-11-12

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