FR1268345A - Procédé et appareil pour amortir le bruit propagé par un fluide dans un conduit - Google Patents

Procédé et appareil pour amortir le bruit propagé par un fluide dans un conduit

Info

Publication number
FR1268345A
FR1268345A FR839680A FR839680A FR1268345A FR 1268345 A FR1268345 A FR 1268345A FR 839680 A FR839680 A FR 839680A FR 839680 A FR839680 A FR 839680A FR 1268345 A FR1268345 A FR 1268345A
Authority
FR
France
Prior art keywords
conduit
fluid
damping noise
noise propagated
propagated
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.)
Expired
Application number
FR839680A
Other languages
English (en)
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.)
Industrial Acoustics Co Inc
Original Assignee
Industrial Acoustics Co Inc
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 Industrial Acoustics Co Inc filed Critical Industrial Acoustics Co Inc
Application granted granted Critical
Publication of FR1268345A publication Critical patent/FR1268345A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/26—Ground or aircraft-carrier-deck installations for reducing engine or jet noise; Protecting airports from jet erosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/005—Pulsation and noise damping means with direct action on the fluid flow using absorptive materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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
    • F16L55/027—Throttle passages
    • F16L55/02754—Throttle passages using a central core throttling the passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/20—Chambers being formed inside the exhaust pipe without enlargement of the cross section of the pipe, e.g. resonance chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pipe Accessories (AREA)
  • Exhaust Silencers (AREA)
  • Duct Arrangements (AREA)
FR839680A 1959-10-06 1960-09-27 Procédé et appareil pour amortir le bruit propagé par un fluide dans un conduit Expired FR1268345A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US844787A US3033307A (en) 1959-10-06 1959-10-06 Noise attenuating apparatus

Publications (1)

Publication Number Publication Date
FR1268345A true FR1268345A (fr) 1961-07-28

Family

ID=25293630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839680A Expired FR1268345A (fr) 1959-10-06 1960-09-27 Procédé et appareil pour amortir le bruit propagé par un fluide dans un conduit

Country Status (3)

Country Link
US (1) US3033307A (fr)
FR (1) FR1268345A (fr)
GB (1) GB949503A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997021024A1 (fr) * 1995-12-04 1997-06-12 Vibron Limited Silencieux acoustique reactif

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US3511336A (en) * 1969-06-10 1970-05-12 Rink Corp Sound attenuator for air flow
GB1329862A (en) * 1970-09-22 1973-09-12 Sound Attenuators Ltd Acoustic attenuator
US4287962A (en) * 1977-11-14 1981-09-08 Industrial Acoustics Company Packless silencer
CA1137877A (fr) * 1977-11-14 1982-12-21 Martin Hirschorn Insonorisateur
US4371054A (en) * 1978-03-16 1983-02-01 Lockheed Corporation Flow duct sound attenuator
US4244440A (en) * 1978-12-01 1981-01-13 General Electric Company Apparatus for suppressing internally generated gas turbine engine low frequency noise
US4316522A (en) * 1979-11-07 1982-02-23 Industrial Acoustics Company, Inc. Acoustic filter silencer
US4266602A (en) * 1980-02-21 1981-05-12 Westinghouse Electric Corp. Heat exchanger for cooling electrical power apparatus
US4421455A (en) * 1981-12-22 1983-12-20 The Garrett Corporation Duct lining
US4508486A (en) * 1982-05-28 1985-04-02 Peabody Abc Corporation Ventilation fan with noise-attenuating housing
GB8910971D0 (en) * 1989-05-12 1989-06-28 Sound Attenuators Ltd Improvements in attenuators
JPH0370932A (ja) * 1989-08-08 1991-03-26 Mitsubishi Electric Home Appliance Co Ltd 消音装置
US5650599A (en) * 1993-04-13 1997-07-22 Northrop Grumman Corporation Noise cancellation method and apparatus
US5663535A (en) * 1995-08-28 1997-09-02 Venturedyne, Ltd. Sound attenuator for HVAC systems
US6116375A (en) * 1995-11-16 2000-09-12 Lorch; Frederick A. Acoustic resonator
DE19803161C2 (de) * 1998-01-28 2000-03-16 Alstom Energy Syst Gmbh Gasturbinenschalldämpfer mit Diffusor
FR2787513B1 (fr) * 1998-12-17 2001-01-19 Turbomeca Dispositif d'echappement multicanal de turbomachine traite acoustiquement
US7210653B2 (en) * 2002-10-22 2007-05-01 The Boeing Company Electric-based secondary power system architectures for aircraft
US6920959B2 (en) * 2003-05-30 2005-07-26 M & I Heat Transfer Products Ltd. Inlet and outlet duct units for air supply fan
EP1524415A1 (fr) * 2003-10-15 2005-04-20 Zeuna-Stärker Gmbh & Co Kg Silencieux d'échappement
US7197881B2 (en) * 2004-03-25 2007-04-03 Honeywell International, Inc. Low loss flow limited feed duct
DE102004038188A1 (de) * 2004-08-06 2006-03-16 Robert Bosch Gmbh Schalldämpfungseinrichtung, insbesondere für ein Heizgerät
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
US7513119B2 (en) * 2005-02-03 2009-04-07 The Boeing Company Systems and methods for starting aircraft engines
EP1732062B1 (fr) * 2005-06-07 2013-08-14 Alstom Technology Ltd Silencieux
US7765784B2 (en) * 2006-09-25 2010-08-03 The Boeing Company Thermally compliant APU exhaust duct arrangements and associated systems and methods
WO2008113159A1 (fr) * 2007-03-16 2008-09-25 E.H. Price Ltd. Unité terminale d'atténuation de bruit entraînée par un ventilateur
US8210308B2 (en) * 2007-03-16 2012-07-03 E.H. Price Ltd. Sound attentuator
WO2008113160A1 (fr) * 2007-03-16 2008-09-25 E.H. Price Ltd. Unité terminale d'atténuation de bruit à conduit unique
US20080236938A1 (en) * 2007-03-30 2008-10-02 Siemens Vdo Automotive, Inc. Induction system duct with noise attenuating holes
KR20080092838A (ko) * 2007-04-12 2008-10-16 가부시끼 가이샤 구보다 캐빈을 구비한 주행 차량
CN101802367B (zh) * 2007-09-13 2013-07-24 阿尔发模塑株式会社 燃气轮机进气消声器
SE532157C2 (sv) * 2008-03-06 2009-11-03 Lindab Ab Ljuddämpande baffel samt baffelarrangemang
US7984787B2 (en) * 2009-01-23 2011-07-26 Dresser-Rand Company Fluid-carrying conduit and method with noise attenuation
US8061961B2 (en) * 2009-01-23 2011-11-22 Dresser-Rand Company Fluid expansion device and method with noise attenuation
US8657227B1 (en) 2009-09-11 2014-02-25 The Boeing Company Independent power generation in aircraft
CN102454436A (zh) * 2010-10-20 2012-05-16 上海圣丰环保设备有限公司 一种组合式汽轮机-高压水泵隔声消音通风罩
DE102010062074A1 (de) * 2010-11-26 2012-05-31 Bbm Akustik Technologie Gmbh Schalldämpfendes Element sowie Vorrichtung
US8738268B2 (en) 2011-03-10 2014-05-27 The Boeing Company Vehicle electrical power management and distribution
US20140037441A1 (en) * 2012-08-06 2014-02-06 Eric Chrabascz Ram air fan diffuser
US9305539B2 (en) 2013-04-04 2016-04-05 Trane International Inc. Acoustic dispersing airflow passage
GB2528950A (en) 2014-08-06 2016-02-10 Aaf Ltd Sound suppression apparatus
CN109247023B (zh) * 2016-05-20 2021-01-22 三菱电机株式会社 离心送风机、空气调节装置以及制冷循环装置
CN108443232A (zh) * 2017-02-16 2018-08-24 中兴通讯股份有限公司 一种降噪结构及机柜
US10928096B2 (en) * 2017-06-30 2021-02-23 Robert Bosch Llc Environmental control unit including noise reduction features
DE102018121855A1 (de) * 2018-09-07 2020-03-12 Vaillant Gmbh Lüftungssystem
US11592205B2 (en) * 2018-12-18 2023-02-28 Johnson Controls Tyco IP Holdings LLP Silencer assembly for air handling unit of an HVAC system
US11204204B2 (en) * 2019-03-08 2021-12-21 Toyota Motor Engineering & Manufacturing North America, Inc. Acoustic absorber with integrated heat sink
US11446980B2 (en) * 2020-06-10 2022-09-20 Denso International America, Inc. HVAC system noise control
US11898771B2 (en) * 2020-06-11 2024-02-13 Johnson Controls Technology Company Sound attenuator for a terminal unit
RU200755U1 (ru) * 2020-06-18 2020-11-11 Акционерное общество "ТРАНСМАШХОЛДИНГ" Пассивный глушитель системы кондиционирования и вентиляции пассажирских вагонов железнодорожного транспорта

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US2519161A (en) * 1946-07-18 1950-08-15 Thomas T Tucker Acoustic testing structure, including sound absorbing panels
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997021024A1 (fr) * 1995-12-04 1997-06-12 Vibron Limited Silencieux acoustique reactif
GB2321932A (en) * 1995-12-04 1998-08-12 Vibron Limited Reactive acoustic silencer
GB2321932B (en) * 1995-12-04 1999-07-07 Vibron Limited Reactive acoustic silencer

Also Published As

Publication number Publication date
GB949503A (en) 1964-02-12
US3033307A (en) 1962-05-08

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