JPS5723280B2 - - Google Patents

Info

Publication number
JPS5723280B2
JPS5723280B2 JP1288374A JP1288374A JPS5723280B2 JP S5723280 B2 JPS5723280 B2 JP S5723280B2 JP 1288374 A JP1288374 A JP 1288374A JP 1288374 A JP1288374 A JP 1288374A JP S5723280 B2 JPS5723280 B2 JP S5723280B2
Authority
JP
Japan
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.)
Expired
Application number
JP1288374A
Other languages
Japanese (ja)
Other versions
JPS49106111A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 JPS49106111A publication Critical patent/JPS49106111A/ja
Publication of JPS5723280B2 publication Critical patent/JPS5723280B2/ja
Expired legal-status Critical Current

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)
  • Building Environments (AREA)
  • Pipe Accessories (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Duct Arrangements (AREA)
JP1288374A 1973-02-01 1974-02-01 Expired JPS5723280B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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 (2)

Publication Number Publication Date
JPS49106111A JPS49106111A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-10-08
JPS5723280B2 true JPS5723280B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-05-18

Family

ID=23282098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1288374A Expired JPS5723280B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-02-01 1974-02-01

Country Status (8)

Country Link
US (1) US3819009A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5723280B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE810492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA986735A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2404001C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2216445B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1462271A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1007136B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6443297A (en) * 1987-08-10 1989-02-15 Yasutaka Hoshino Method for making needle hole freely openable and closable
JPH0320975U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-07-10 1991-02-28

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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
US4189027A (en) * 1976-08-19 1980-02-19 United Technologies Corporation Sound suppressor liners
US4135603A (en) * 1976-08-19 1979-01-23 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
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 (de) * 2002-03-07 2003-09-10 Siemens Aktiengesellschaft Gasturbine
EP1342952A1 (de) * 2002-03-07 2003-09-10 Siemens Aktiengesellschaft Brenner, Verfahren zum Betrieb eines Brenners und Gasturbine
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
WO2014133770A1 (en) * 2013-03-01 2014-09-04 United Technologies Corporation Gas turbine engine noise reducing nose cone
WO2016057186A1 (en) 2014-10-08 2016-04-14 Dresser-Rand Company Concentric resonators for 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
WO2019195189A1 (en) * 2018-04-02 2019-10-10 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
JP7310120B2 (ja) 2018-11-05 2023-07-19 ヤマハ株式会社 吸音構造体
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
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
US12142253B2 (en) 2021-10-05 2024-11-12 General Electric Company Solid adhesive film for acoustic liner and method
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
US12312969B2 (en) 2023-01-17 2025-05-27 General Electric Company Airfoils for turbofan engines

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US3166149A (en) * 1965-01-19 Damped-resonator acoustical panels
BE554083A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-10-08 1973-06-21

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6443297A (en) * 1987-08-10 1989-02-15 Yasutaka Hoshino Method for making needle hole freely openable and closable
JPH0320975U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-07-10 1991-02-28

Also Published As

Publication number Publication date
FR2216445A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-08-30
US3819009A (en) 1974-06-25
JPS49106111A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-10-08
FR2216445B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-06-27
DE2404001C2 (de) 1983-10-27
GB1462271A (en) 1977-01-19
IT1007136B (it) 1976-10-30
CA986735A (en) 1976-04-06
DE2404001A1 (de) 1974-08-08
BE810492A (fr) 1974-05-29

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