JPS5149343A - - Google Patents

Info

Publication number
JPS5149343A
JPS5149343A JP50104186A JP10418675A JPS5149343A JP S5149343 A JPS5149343 A JP S5149343A JP 50104186 A JP50104186 A JP 50104186A JP 10418675 A JP10418675 A JP 10418675A JP S5149343 A JPS5149343 A JP S5149343A
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.)
Pending
Application number
JP50104186A
Inventor
Uiruherumu Uorutaa Hee Hoosuto
Yuugen Kurafuto Robaato
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JPS5149343A publication Critical patent/JPS5149343A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0336—Noise absorbers by means of sound-absorbing materials
    • 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
JP50104186A 1974-08-30 1975-08-29 Pending JPS5149343A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50214174A 1974-08-30 1974-08-30

Publications (1)

Publication Number Publication Date
JPS5149343A true JPS5149343A (ja) 1976-04-28

Family

ID=23996527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50104186A Pending JPS5149343A (ja) 1974-08-30 1975-08-29

Country Status (7)

Country Link
US (1) US4091892A (ja)
JP (1) JPS5149343A (ja)
CA (1) CA1027002A (ja)
DE (1) DE2538023A1 (ja)
FR (1) FR2283322A1 (ja)
GB (1) GB1513030A (ja)
IT (1) IT1042126B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61225469A (ja) * 1985-03-28 1986-10-07 清水建設株式会社 基礎鉄筋柱の施工方法
JP2010084768A (ja) * 2008-10-01 2010-04-15 General Electric Co <Ge> 音響減衰システム及び方法
JP2014177920A (ja) * 2013-03-15 2014-09-25 Mitsubishi Heavy Ind Ltd 排気装置

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US5997985A (en) * 1998-09-10 1999-12-07 Northrop Grumman Corporation Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films
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US7210653B2 (en) * 2002-10-22 2007-05-01 The Boeing Company Electric-based secondary power system architectures for aircraft
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US6935459B2 (en) * 2003-02-25 2005-08-30 Stryker Instruments Resonating device for a pneumatic surgical instrument
DE10347226B3 (de) * 2003-10-06 2005-05-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schallabsorber
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DE102004029221A1 (de) * 2004-06-16 2006-01-12 Geiger Technik Gmbh Vorrichtung zur Schalldämpfung und Vorrichtung zur Leitung eines Fluids
US7267297B2 (en) * 2004-09-02 2007-09-11 The Boeing Company Integrated axially varying engine muffler, and associated methods and systems
US7364116B2 (en) * 2004-09-27 2008-04-29 The Boeing Company Automatic control systems for aircraft auxiliary power units, and associated methods
US7344107B2 (en) * 2004-10-26 2008-03-18 The Boeing Company Dual flow APU inlet and associated systems and methods
US7497301B2 (en) * 2005-01-27 2009-03-03 Fleetguard, Inc. Tubular acoustic silencer
US7513119B2 (en) 2005-02-03 2009-04-07 The Boeing Company Systems and methods for starting aircraft engines
US20060169533A1 (en) * 2005-02-03 2006-08-03 Patrick William P Acoustic liner with a nonuniform depth backwall
US7367424B2 (en) * 2005-02-14 2008-05-06 Honeywell International, Inc. Eccentric exhaust muffler for use with auxiliary power units
US20070157598A1 (en) * 2005-08-22 2007-07-12 Gagov Atanas Plastic components formed from 3D blow molding
US7891464B2 (en) * 2006-06-15 2011-02-22 Hewlett-Packard Development, L.P. System and method for noise suppression
US7469770B2 (en) * 2006-06-29 2008-12-30 United Technologies Corporation Anechoic visco-thermal liner
US7765784B2 (en) * 2006-09-25 2010-08-03 The Boeing Company Thermally compliant APU exhaust duct arrangements and associated systems and methods
US20090025393A1 (en) * 2006-10-31 2009-01-29 Karl Edward Sheldon Auxiliary power unit assembly
US20080236939A1 (en) * 2007-03-30 2008-10-02 Hamilton Sundstrand Corporation Exhaust silencer assembly
FR2915522A1 (fr) * 2007-04-30 2008-10-31 Airbus France Sas Panneau acoustique a caracteristique acoustique variable
DE102008051241B4 (de) * 2008-10-10 2011-06-16 Airbus Operations Gmbh Schalldämpfer für ein Hilfstriebwerk eines Flugzeugs
US7857093B2 (en) * 2009-03-17 2010-12-28 Spirit Aerosystems, Inc. Engine inlet deep acoustic liner section
US8311439B2 (en) * 2009-08-27 2012-11-13 Xerox Corporation Frequency dampening duct
US8657227B1 (en) 2009-09-11 2014-02-25 The Boeing Company Independent power generation in aircraft
US8256569B1 (en) * 2010-10-04 2012-09-04 Huff Dennis L Exhaust sound attenuation device and method of use
US8066096B1 (en) * 2010-11-04 2011-11-29 Hamilton Sundstrand Corporation Inlet silencer
US8738268B2 (en) 2011-03-10 2014-05-27 The Boeing Company Vehicle electrical power management and distribution
US8596568B2 (en) 2011-04-26 2013-12-03 Hamilton Sundstrand Corporation Exhaust silencer with baffles
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
US8863893B2 (en) * 2011-11-17 2014-10-21 Spirit Aerosystems, Inc. Engine inlet varying impedance acoustic liner section
US8685302B2 (en) * 2012-02-20 2014-04-01 Honeywell International Inc. Monolithic acoustically-treated composite structures and methods for fabricating the same
GB201209658D0 (en) * 2012-05-31 2012-07-11 Rolls Royce Plc Acoustic panel
CN203585530U (zh) * 2012-09-28 2014-05-07 费希尔控制国际公司 模态衰减器
EP2971733B1 (en) * 2013-03-15 2019-01-30 United Technologies Corporation Apu exhaust system
US9169750B2 (en) * 2013-08-17 2015-10-27 ESI Energy Solutions, LLC. Fluid flow noise mitigation structure and method
US9376946B1 (en) * 2015-04-02 2016-06-28 Fisher Controls International Llc Modal attenuator
US10418016B2 (en) 2015-05-29 2019-09-17 Staton Techiya, Llc Methods and devices for attenuating sound in a conduit or chamber
US9739559B2 (en) * 2015-10-07 2017-08-22 Century International Arms, Inc. Sound suppressor
FR3054607B1 (fr) * 2016-07-29 2020-02-28 Safran Nacelles Panneau d’attenuation acoustique pour ensemble propulsif d’aeronef et ensemble propulsif comportant un tel panneau
US10221963B2 (en) * 2017-02-28 2019-03-05 Fisher Controls International Llc Ball valve with modal silencer
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US10533452B2 (en) * 2017-07-19 2020-01-14 Garrett Transportation I Inc. Acoustic damper with barrier member configured to dampen acoustic energy propogating upstream in gas flow
US10796680B2 (en) * 2017-10-16 2020-10-06 The Hong Kong University Of Science And Technology Sound absorber with stair-stepping structure
US11325718B2 (en) * 2018-05-02 2022-05-10 Rohr, Inc. Aircraft propulsion system assembly including one or more acoustic panels
DE102019109128A1 (de) * 2019-04-08 2020-10-08 Homag Gmbh Vorrichtung und Verfahren zum Beschichten von Werkstücken
US11929053B2 (en) 2019-09-11 2024-03-12 The Hong Kong University Of Science And Technology Broadband sound absorber based on inhomogeneous-distributed Helmholtz resonators with extended necks
US11713904B2 (en) * 2019-10-01 2023-08-01 Johnson Controls Tyco IP Holdings LLP Tunable sound attenuating modules
CN111503410A (zh) * 2020-04-01 2020-08-07 西安交通大学 一种赫姆霍兹型消声器
CN115199378B (zh) * 2022-07-05 2023-05-02 东莞井上建上汽车部件有限公司 发动机消音风管

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61225469A (ja) * 1985-03-28 1986-10-07 清水建設株式会社 基礎鉄筋柱の施工方法
JPH0571748B2 (ja) * 1985-03-28 1993-10-07 Shimizu Construction Co Ltd
JP2010084768A (ja) * 2008-10-01 2010-04-15 General Electric Co <Ge> 音響減衰システム及び方法
JP2014177920A (ja) * 2013-03-15 2014-09-25 Mitsubishi Heavy Ind Ltd 排気装置

Also Published As

Publication number Publication date
US4091892A (en) 1978-05-30
IT1042126B (it) 1980-01-30
FR2283322A1 (fr) 1976-03-26
GB1513030A (en) 1978-06-01
DE2538023A1 (de) 1976-03-18
CA1027002A (en) 1978-02-28

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