BE810492A - Dispositif d'extinction acoustique - Google Patents

Dispositif d'extinction acoustique

Info

Publication number
BE810492A
BE810492A BE140449A BE140449A BE810492A BE 810492 A BE810492 A BE 810492A BE 140449 A BE140449 A BE 140449A BE 140449 A BE140449 A BE 140449A BE 810492 A BE810492 A BE 810492A
Authority
BE
Belgium
Prior art keywords
acoustic
extinguishing device
extinguishing
acoustic extinguishing
Prior art date
Application number
BE140449A
Other languages
English (en)
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 filed Critical
Publication of BE810492A publication Critical patent/BE810492A/fr

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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Pipe Accessories (AREA)
  • Building Environments (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Duct Arrangements (AREA)
BE140449A 1973-02-01 1974-02-01 Dispositif d'extinction acoustique BE810492A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00328713A US3819009A (en) 1973-02-01 1973-02-01 Duct wall acoustic treatment

Publications (1)

Publication Number Publication Date
BE810492A true BE810492A (fr) 1974-05-29

Family

ID=23282098

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140449A BE810492A (fr) 1973-02-01 1974-02-01 Dispositif d'extinction acoustique

Country Status (8)

Country Link
US (1) US3819009A (fr)
JP (1) JPS5723280B2 (fr)
BE (1) BE810492A (fr)
CA (1) CA986735A (fr)
DE (1) DE2404001C2 (fr)
FR (1) FR2216445B1 (fr)
GB (1) GB1462271A (fr)
IT (1) IT1007136B (fr)

Families Citing this family (69)

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US4174020A (en) * 1975-07-01 1979-11-13 Challis Louis A Acoustic treatment for fans
US4064961A (en) * 1976-04-05 1977-12-27 Rohr Industries, Incorporated Slanted cavity resonator
US4100993A (en) * 1976-04-15 1978-07-18 United Technologies Corporation Acoustic liner
US4106587A (en) * 1976-07-02 1978-08-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Sound-suppressing structure with thermal relief
US4135603A (en) * 1976-08-19 1979-01-23 United Technologies Corporation Sound suppressor liners
US4189027A (en) * 1976-08-19 1980-02-19 United Technologies Corporation Sound suppressor liners
US4137992A (en) * 1976-12-30 1979-02-06 The Boeing Company Turbojet engine nozzle for attenuating core and turbine noise
FR2376994A1 (fr) * 1977-01-11 1978-08-04 Snecma Perfectionnements aux dispositifs a cavites resonnantes pour la reduction du bruit dans un conduit en presence d'un flux gazeux
JPS5447020A (en) * 1977-09-22 1979-04-13 Nissan Motor Co Ltd Sound insulating wall for internal combustion engine
DK142710B (da) * 1977-11-10 1980-12-29 Elektronikcentralen Lydabsorberende struktur.
DE2853613C2 (de) * 1977-12-22 1984-08-16 Rolls-Royce Ltd., London Schalldämpfungsvorrichtung für eine Schiffs-Gasturbinenanlage
GB2038410B (en) * 1978-12-27 1982-11-17 Rolls Royce Acoustic lining utilising resonance
US4318453A (en) * 1979-09-17 1982-03-09 Rohr Industries, Inc. Double layer attenuation panel
US4294329A (en) * 1979-12-17 1981-10-13 Rohr Industries, Inc. Double layer attenuation panel with two layers of linear type material
US4291080A (en) * 1980-03-31 1981-09-22 Vought Corporation Sound attenuating structural panel
JPS6318799Y2 (fr) * 1980-12-02 1988-05-26
GB2090334B (en) * 1980-12-29 1983-11-16 Rolls Royce Damping flutter of ducted fans
US4421455A (en) * 1981-12-22 1983-12-20 The Garrett Corporation Duct lining
JPS6443297A (en) * 1987-08-10 1989-02-15 Yasutaka Hoshino Method for making needle hole freely openable and closable
JPH0320975U (fr) * 1989-07-10 1991-02-28
US5014431A (en) * 1989-07-24 1991-05-14 Arnim B. Jebe Tool for handling disposable food containing bags
GB2236804A (en) * 1989-07-26 1991-04-17 Anthony Reginald Robins Compound nozzle
GB2237323A (en) * 1989-10-06 1991-05-01 Coal Ind Fan silencer apparatus
US5127602B1 (en) * 1989-11-21 1995-05-02 Federal Express Corp Noise reduction kit for jet turbine engines.
KR920007624B1 (ko) * 1990-10-22 1992-09-09 대우캐리어 주식회사 밀폐형 회전식 압축기의 소음감소장치
US5758488A (en) * 1993-05-11 1998-06-02 Roderick Thomson Core flow expansion chamber device system for reduction of jet turbine engine noise
US5644918A (en) * 1994-11-14 1997-07-08 General Electric Company Dynamics free low emissions gas turbine combustor
US5777947A (en) * 1995-03-27 1998-07-07 Georgia Tech Research Corporation Apparatuses and methods for sound absorption using hollow beads loosely contained in an enclosure
US5592813A (en) * 1995-07-06 1997-01-14 Avaero Hush kit for jet engine
EP1342953A1 (fr) * 2002-03-07 2003-09-10 Siemens Aktiengesellschaft Turbine à gaz
EP1342952A1 (fr) * 2002-03-07 2003-09-10 Siemens Aktiengesellschaft Brûleur, procédé de fonctionnement d'un brûleur et turbine à gaz
GB0206136D0 (en) * 2002-03-15 2002-04-24 Rolls Royce Plc Improvements in or relating to cellular materials
DE102004012929B3 (de) * 2004-03-17 2005-04-21 Dornier Gmbh Anordnung zur Lärmreduzierung in Turbofantriebwerken
US7033137B2 (en) 2004-03-19 2006-04-25 Ametek, Inc. Vortex blower having helmholtz resonators and a baffle assembly
US7337875B2 (en) * 2004-06-28 2008-03-04 United Technologies Corporation High admittance acoustic liner
US7311175B2 (en) * 2005-08-10 2007-12-25 United Technologies Corporation Acoustic liner with bypass cooling
US7401682B2 (en) * 2005-08-10 2008-07-22 United Technologies Corporation Architecture for an acoustic liner
US7461719B2 (en) * 2005-11-10 2008-12-09 Siemens Energy, Inc. Resonator performance by local reduction of component thickness
DE202006012949U1 (de) * 2006-08-23 2007-12-27 Mann + Hummel Gmbh Geräuschdämpfer für eine Brennkraftmaschine
US20090025393A1 (en) * 2006-10-31 2009-01-29 Karl Edward Sheldon Auxiliary power unit assembly
GB0907578D0 (en) * 2009-05-05 2009-06-10 Rolls Royce Plc A damping assembly
US8413443B2 (en) * 2009-12-15 2013-04-09 Siemens Energy, Inc. Flow control through a resonator system of gas turbine combustor
JP5804808B2 (ja) 2011-07-07 2015-11-04 三菱日立パワーシステムズ株式会社 ガスタービン燃焼器及びその燃焼振動減衰方法
US8469141B2 (en) * 2011-08-10 2013-06-25 General Electric Company Acoustic damping device for use in gas turbine engine
EP2961958A4 (fr) * 2013-03-01 2016-11-02 United Technologies Corp Coiffe de réduction de bruit de moteur à turbine à gaz
EP3204936B8 (fr) * 2014-10-08 2022-12-07 Dresser Rand Company Résonateurs concentriques pour machines
FR3028886B1 (fr) 2014-11-24 2019-09-13 Safran Aircraft Engines Organe de reduction de bruit de soufflante de turboreacteur
DE102015214709A1 (de) * 2015-07-31 2017-02-02 Mahle International Gmbh Strömungskanal und Belüftungs-, Heizungs- oder Klimaanlage
US9472179B1 (en) * 2015-09-05 2016-10-18 Xiaobing Cai Sound absorber
US10174675B2 (en) 2015-12-30 2019-01-08 General Electric Company Acoustic liner for gas turbine engine components
US10532631B2 (en) 2017-03-29 2020-01-14 Ford Global Technologies, Llc Acoustic air duct and air extraction system including a plurality of channels having an expansion chamber
US20180281559A1 (en) * 2017-03-29 2018-10-04 Ford Global Technologies, Llc Acoustic air duct and air extraction system with nesting expansion chambers
US10720136B2 (en) * 2017-12-04 2020-07-21 Zin Technologies, Inc. Layered chamber acoustic attenuation
SE544189C2 (en) * 2018-02-13 2022-02-22 Faurecia Creo Ab Acoustic damper for a gas duct system
US11059559B2 (en) 2018-03-05 2021-07-13 General Electric Company Acoustic liners with oblique cellular structures
US11562727B2 (en) * 2018-04-02 2023-01-24 Itt Manufacturing Enterprises Llc Multi-frequency helmholtz resonator system
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
JP7172457B2 (ja) * 2018-11-05 2022-11-16 ヤマハ株式会社 吸音用ユニットおよび吸音構造体
JP7310120B2 (ja) 2018-11-05 2023-07-19 ヤマハ株式会社 吸音構造体
US11434819B2 (en) 2019-03-29 2022-09-06 General Electric Company Acoustic liners with enhanced acoustic absorption and reduced drag characteristics
US11008112B2 (en) * 2019-06-07 2021-05-18 Bryan B. Solstin Laminar inducing apparatus
US11339720B2 (en) * 2020-02-21 2022-05-24 Raytheon Technologies Corporation Acoustic liner with non-uniform volumetric distribution
US11566564B2 (en) * 2020-07-08 2023-01-31 Raytheon Technologies Corporation Acoustically treated panels
US11668236B2 (en) 2020-07-24 2023-06-06 General Electric Company Acoustic liners with low-frequency sound wave attenuating features
US11970992B2 (en) 2021-06-03 2024-04-30 General Electric Company Acoustic cores and tools and methods for forming the same
DE102022129881B4 (de) 2021-11-15 2024-09-12 Hochschule für Technik und Wirtschaft Dresden, Körperschaft des öffentlichen Rechts Struktur zur Schallabsorption
US11739698B2 (en) * 2022-01-19 2023-08-29 General Electric Company Aero-acoustically dampened bleed valve
US11965425B2 (en) 2022-05-31 2024-04-23 General Electric Company Airfoil for a turbofan engine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166149A (en) * 1965-01-19 Damped-resonator acoustical panels
BE554083A (fr) * 1956-02-18
US2887173A (en) * 1957-05-22 1959-05-19 G A Societa Per Azioni Sa Sound absorbing and insulating panel
GB927865A (en) * 1958-10-06 1963-06-06 Wood Conversion Co Improvements in or relating to sound absorbing panels and the like
US3177970A (en) * 1961-01-21 1965-04-13 Gomma Antivibranti Applic Sound-absorbing panels with tapered holes therethrough
US3180448A (en) * 1962-01-02 1965-04-27 Aerojet General Co Laminated acoustic panel with sound absorbing cavities
AT254465B (de) * 1963-12-09 1967-05-26 Lothar Dr Ing Cremer Absorptionsschalldämpfer für Gasleitungen, insbesondere Lüftungsleitungen
US3439774A (en) * 1966-01-21 1969-04-22 Boeing Co Sound energy absorbing apparatus
GB1147492A (en) * 1967-04-07 1969-04-02 Acoustics And Architecture Ltd Sound absorbing device
DE2019416B2 (de) * 1970-04-22 1972-04-20 Isoliertechnik Horst Grassmann, 6000 Frankfurt Schalldaempfer fuer stroemende gase
US3688866A (en) * 1971-08-30 1972-09-05 Ibm Noise muffler for magnetic tape vacuum column
JPS4847302U (fr) * 1971-10-08 1973-06-21

Also Published As

Publication number Publication date
DE2404001A1 (de) 1974-08-08
JPS5723280B2 (fr) 1982-05-18
US3819009A (en) 1974-06-25
CA986735A (en) 1976-04-06
FR2216445A1 (fr) 1974-08-30
DE2404001C2 (de) 1983-10-27
IT1007136B (it) 1976-10-30
JPS49106111A (fr) 1974-10-08
GB1462271A (en) 1977-01-19
FR2216445B1 (fr) 1980-06-27

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