JP2010085994A - 音響減衰システム及び方法 - Google Patents

音響減衰システム及び方法 Download PDF

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Publication number
JP2010085994A
JP2010085994A JP2009225684A JP2009225684A JP2010085994A JP 2010085994 A JP2010085994 A JP 2010085994A JP 2009225684 A JP2009225684 A JP 2009225684A JP 2009225684 A JP2009225684 A JP 2009225684A JP 2010085994 A JP2010085994 A JP 2010085994A
Authority
JP
Japan
Prior art keywords
conduit
sound
sound attenuating
wall
acoustic attenuation
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.)
Pending
Application number
JP2009225684A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010085994A5 (enExample
Inventor
Ranjit Kumar Jangili
ランジット・クマール・ジャンギリ
Richard Loud
リチャード・ラウド
Dinesh Venugopal Setty
ディネシュ・ヴェニュゴパル・セティ
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 JP2010085994A publication Critical patent/JP2010085994A/ja
Publication of JP2010085994A5 publication Critical patent/JP2010085994A5/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/30—Exhaust heads, chambers, or the like
    • 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
    • F16L55/02709—Throttle passages in the form of perforated plates
    • 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
    • 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
    • F16L55/0331—Noise absorbers by inserting an elongated element in the pipe
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
JP2009225684A 2008-10-01 2009-09-30 音響減衰システム及び方法 Pending JP2010085994A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/243,930 US8240427B2 (en) 2008-10-01 2008-10-01 Sound attenuation systems and methods

Publications (2)

Publication Number Publication Date
JP2010085994A true JP2010085994A (ja) 2010-04-15
JP2010085994A5 JP2010085994A5 (enExample) 2012-10-04

Family

ID=41461029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009225684A Pending JP2010085994A (ja) 2008-10-01 2009-09-30 音響減衰システム及び方法

Country Status (4)

Country Link
US (1) US8240427B2 (enExample)
EP (1) EP2172716A3 (enExample)
JP (1) JP2010085994A (enExample)
CN (1) CN101714353A (enExample)

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JP2016070155A (ja) * 2014-09-30 2016-05-09 三菱日立パワーシステムズ株式会社 サイレンサ、これを備える消音装置及びこれを備えるガスタービン
JP2017057850A (ja) * 2015-09-16 2017-03-23 ゼネラル・エレクトリック・カンパニイ 消音要素及びカプラを有するサイレンサダクト
JP2017097333A (ja) * 2015-09-16 2017-06-01 ゼネラル・エレクトリック・カンパニイ プラスチック製有孔側壁を有するサイレンサパネル及びシステム
JP2017207064A (ja) * 2016-05-16 2017-11-24 ゼネラル・エレクトリック・カンパニイ 一体型換気および漏れ検出システムならびに組立方法

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JP6629627B2 (ja) * 2016-02-22 2020-01-15 三菱重工業株式会社 騒音低減構造及び過給装置
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CN108278157B (zh) 2017-01-06 2022-08-02 通用电气公司 用于改进的入口消音挡板的系统和方法
CN108278158B (zh) 2017-01-06 2022-05-13 通用电气公司 用于改进的入口消音挡板的系统和方法
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US10662839B2 (en) * 2017-06-28 2020-05-26 General Electric Company Exhaust stack assemblies with acoustic attenuation features
US10928096B2 (en) * 2017-06-30 2021-02-23 Robert Bosch Llc Environmental control unit including noise reduction features
PL233171B1 (pl) * 2017-07-03 2019-09-30 Nucair Tech Spolka Z Ograniczona Odpowiedzialnoscia Tłumik akustyczny do systemów klimatyzacyjnych
PL422608A1 (pl) * 2017-08-21 2019-02-25 Nucair Technologies Spółka Z Ograniczoną Odpowiedzialnością Tłumik akustyczny do systemów klimatyzacyjnych
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US11043199B2 (en) * 2018-04-25 2021-06-22 Toyota Motor Engineering & Manufacturing North America, Inc. Sparse acoustic absorber
CN108682411B (zh) * 2018-05-16 2021-03-02 南京大学 一种宽带低频声学消声器
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CN110230746A (zh) * 2019-04-28 2019-09-13 山西尚风科技股份有限公司 一种通风末端消音器
CN110425367A (zh) * 2019-07-29 2019-11-08 北京航天发射技术研究所 一种柱形消声器
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016070155A (ja) * 2014-09-30 2016-05-09 三菱日立パワーシステムズ株式会社 サイレンサ、これを備える消音装置及びこれを備えるガスタービン
JP2017057850A (ja) * 2015-09-16 2017-03-23 ゼネラル・エレクトリック・カンパニイ 消音要素及びカプラを有するサイレンサダクト
JP2017097333A (ja) * 2015-09-16 2017-06-01 ゼネラル・エレクトリック・カンパニイ プラスチック製有孔側壁を有するサイレンサパネル及びシステム
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JP2017207064A (ja) * 2016-05-16 2017-11-24 ゼネラル・エレクトリック・カンパニイ 一体型換気および漏れ検出システムならびに組立方法
JP7038490B2 (ja) 2016-05-16 2022-03-18 ゼネラル・エレクトリック・カンパニイ 一体型換気および漏れ検出システムならびに組立方法

Also Published As

Publication number Publication date
US20100077755A1 (en) 2010-04-01
CN101714353A (zh) 2010-05-26
EP2172716A2 (en) 2010-04-07
US8240427B2 (en) 2012-08-14
EP2172716A3 (en) 2010-06-09

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