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SE0201790D0 - An acoustic liner - Google Patents

An acoustic liner

Info

Publication number
SE0201790D0
SE0201790D0 SE0201790A SE0201790A SE0201790D0 SE 0201790 D0 SE0201790 D0 SE 0201790D0 SE 0201790 A SE0201790 A SE 0201790A SE 0201790 A SE0201790 A SE 0201790A SE 0201790 D0 SE0201790 D0 SE 0201790D0
Authority
SE
Sweden
Prior art keywords
acoustic liner
liner
top sheet
relates
acoustic
Prior art date
Application number
SE0201790A
Other languages
English (en)
Other versions
SE0201790L (sv
SE525812C2 (sv
Inventor
Sohan Sarin
Pontus Nordin
Original Assignee
Saab Ab
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 Saab Ab filed Critical Saab Ab
Priority to SE0201790A priority Critical patent/SE525812C2/sv
Publication of SE0201790D0 publication Critical patent/SE0201790D0/sv
Priority to US10/517,495 priority patent/US20060060421A1/en
Priority to EP03723564A priority patent/EP1515888A1/en
Priority to PCT/SE2003/000670 priority patent/WO2003106263A1/en
Priority to AU2003230494A priority patent/AU2003230494A1/en
Publication of SE0201790L publication Critical patent/SE0201790L/sv
Publication of SE525812C2 publication Critical patent/SE525812C2/sv

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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
  • Vibration Prevention Devices (AREA)
SE0201790A 2002-06-12 2002-06-12 Akustiskt foder, användning av ett foder samt sätt att framställa ett akustiskt foder SE525812C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE0201790A SE525812C2 (sv) 2002-06-12 2002-06-12 Akustiskt foder, användning av ett foder samt sätt att framställa ett akustiskt foder
US10/517,495 US20060060421A1 (en) 2002-06-12 2003-04-25 Acoustic liner use of such a liner and method for manufacturing an acoustic liner
EP03723564A EP1515888A1 (en) 2002-06-12 2003-04-25 An acoustic liner, use of such a liner and method for manufacturing an acoustic liner
PCT/SE2003/000670 WO2003106263A1 (en) 2002-06-12 2003-04-25 An acoustic liner, use of such a liner and method for manufacturing an acoustic liner
AU2003230494A AU2003230494A1 (en) 2002-06-12 2003-04-25 An acoustic liner, use of such a liner and method for manufacturing an acoustic liner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0201790A SE525812C2 (sv) 2002-06-12 2002-06-12 Akustiskt foder, användning av ett foder samt sätt att framställa ett akustiskt foder

Publications (3)

Publication Number Publication Date
SE0201790D0 true SE0201790D0 (sv) 2002-06-12
SE0201790L SE0201790L (sv) 2003-12-13
SE525812C2 SE525812C2 (sv) 2005-05-03

Family

ID=20288160

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0201790A SE525812C2 (sv) 2002-06-12 2002-06-12 Akustiskt foder, användning av ett foder samt sätt att framställa ett akustiskt foder

Country Status (5)

Country Link
US (1) US20060060421A1 (sv)
EP (1) EP1515888A1 (sv)
AU (1) AU2003230494A1 (sv)
SE (1) SE525812C2 (sv)
WO (1) WO2003106263A1 (sv)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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FR2865309B1 (fr) * 2004-01-15 2006-09-08 Hurel Hispano Peau perforee pour element acoustique, element acoustique et procede de fabrication
US20060169533A1 (en) * 2005-02-03 2006-08-03 Patrick William P Acoustic liner with a nonuniform depth backwall
US20060169532A1 (en) * 2005-02-03 2006-08-03 Patrick William P Acoustic liner with nonuniform impedance
DE102006049826A1 (de) * 2006-10-23 2008-04-24 Robert Bosch Gmbh Schutzvorrichtung
FR2925208B1 (fr) * 2007-12-14 2016-07-01 Eurocopter France Structure absorbante pour l'attenuation de bruits generes notamment par un rotor et carenage comportant une telle structure
DE102008017357B4 (de) * 2008-04-04 2014-01-16 Airbus Operations Gmbh Akustisch optimiertes Kabinenwandelement und seine Verwendung
US9938931B2 (en) * 2008-12-23 2018-04-10 General Electric Company Combined surface cooler and acoustic absorber for turbomachines
DE102008037143A1 (de) * 2008-08-08 2010-02-11 Airbus Deutschland Gmbh Isolationsaufbau zum thermischen und akustischen Isolieren eines Luftfahrzeugs
TWI651455B (zh) * 2009-01-14 2019-02-21 Kuraray Co., Ltd 隔音板、隔音構造及隔音方法
US7913813B1 (en) * 2009-10-21 2011-03-29 The Boeing Company Noise shield for a launch vehicle
JP5650429B2 (ja) * 2010-04-06 2015-01-07 株式会社荏原製作所 回転電機
US8047329B1 (en) * 2010-08-13 2011-11-01 Rohr, Inc. System and method for noise suppression
JP5693293B2 (ja) * 2011-02-25 2015-04-01 三菱重工業株式会社 燃焼器
US9200537B2 (en) * 2011-11-09 2015-12-01 Pratt & Whitney Canada Corp. Gas turbine exhaust case with acoustic panels
US10336433B2 (en) * 2015-03-09 2019-07-02 The Boeing Company Fused porogen process for acoustic septa fabrication
US10335850B2 (en) 2016-04-12 2019-07-02 United Technologies Corporation Light weight housing for internal component and method of making
US10619949B2 (en) 2016-04-12 2020-04-14 United Technologies Corporation Light weight housing for internal component with integrated thermal management features and method of making
US10399117B2 (en) 2016-04-12 2019-09-03 United Technologies Corporation Method of making light weight component with internal metallic foam and polymer reinforcement
US10302017B2 (en) * 2016-04-12 2019-05-28 United Technologies Corporation Light weight component with acoustic attenuation and method of making
US10724131B2 (en) 2016-04-12 2020-07-28 United Technologies Corporation Light weight component and method of making
US10323325B2 (en) 2016-04-12 2019-06-18 United Technologies Corporation Light weight housing for internal component and method of making
CN112069657B (zh) * 2020-08-13 2024-03-12 株洲时代新材料科技股份有限公司 适用于气流环境下管道声衬设计方法及管道声衬
CN114321024B (zh) * 2021-12-31 2024-03-26 广东美的白色家电技术创新中心有限公司 一种降噪装置的控制方法、控制装置、存储介质及降噪装置

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Publication number Priority date Publication date Assignee Title
US4300978A (en) * 1979-07-06 1981-11-17 Rohr Industries, Inc. Bonding tool for venting honeycomb noise attenuation structure during manufacture
US4291080A (en) * 1980-03-31 1981-09-22 Vought Corporation Sound attenuating structural panel
US4433021A (en) * 1982-09-22 1984-02-21 Rohr Industries, Inc. Sound attenuation sandwich panel including barrier material for corrosion control
US4817756A (en) * 1985-08-26 1989-04-04 Aeronautic Development Corp. Ltd. Quiet nacelle system and hush kit
US4828932A (en) * 1986-05-12 1989-05-09 Unix Corporation Ltd. Porous metallic material, porous structural material and porous decorative sound absorbing material, and methods for manufacturing the same
DE8700264U1 (de) * 1987-01-07 1988-05-11 Irbit Research + Consulting Ag, Freiburg/Fribourg Aus Schaumstoff bestehende Schalldämmplatte
GB9101355D0 (en) * 1991-01-22 1991-03-06 Short Brothers Plc Noise attentuation panel
US5175401A (en) * 1991-03-18 1992-12-29 Grumman Aerospace Corporation Segmented resistance acoustic attenuating liner
US5494737A (en) * 1992-12-28 1996-02-27 Mitsui Toatsu Chemicals, Inc. Ceiling material for vehicles and production process thereof
US5594216A (en) * 1994-11-29 1997-01-14 Lockheed Missiles & Space Co., Inc. Jet engine sound-insulation structure
US5766395A (en) * 1995-08-28 1998-06-16 Johns Manville International, Inc. Method of making self-supporting composite structures
US5923003A (en) * 1996-09-09 1999-07-13 Northrop Grumman Corporation Extended reaction acoustic liner for jet engines and the like
US6176964B1 (en) * 1997-10-20 2001-01-23 Vought Aircraft Industries, Inc. Method of fabricating an acoustic liner
US5962107A (en) * 1997-10-29 1999-10-05 Johns Manville International, Inc. Perforated cellular sound absorption material
CH692731A5 (de) * 1998-01-09 2002-10-15 Rieter Automotive Int Ag Ultraleichter, schall- und schockabsorbierender Bausatz.
US6182787B1 (en) * 1999-01-12 2001-02-06 General Electric Company Rigid sandwich panel acoustic treatment
US6209680B1 (en) * 2000-04-10 2001-04-03 Jay Perdue Acoustic diffuser panels and wall assembly comprised thereof
CA2468141A1 (en) * 2001-11-21 2003-06-05 Dunlop Aerospace Limited Noise attenuator arrangement
US7017706B2 (en) * 2001-12-21 2006-03-28 Honeywell International, Inc. Turbine noise absorber
GB0223697D0 (en) * 2002-10-14 2002-11-20 Rolls Royce Plc Acoustic liner for gas turbine engineers

Also Published As

Publication number Publication date
US20060060421A1 (en) 2006-03-23
SE0201790L (sv) 2003-12-13
EP1515888A1 (en) 2005-03-23
WO2003106263A1 (en) 2003-12-24
AU2003230494A1 (en) 2003-12-31
SE525812C2 (sv) 2005-05-03
WO2003106263A8 (en) 2005-03-10

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