DE60127971D1 - Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen - Google Patents

Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen

Info

Publication number
DE60127971D1
DE60127971D1 DE60127971T DE60127971T DE60127971D1 DE 60127971 D1 DE60127971 D1 DE 60127971D1 DE 60127971 T DE60127971 T DE 60127971T DE 60127971 T DE60127971 T DE 60127971T DE 60127971 D1 DE60127971 D1 DE 60127971D1
Authority
DE
Germany
Prior art keywords
radiation noise
frequency vibrations
reducing radiation
reducing
vibrations
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 - Lifetime
Application number
DE60127971T
Other languages
English (en)
Other versions
DE60127971T2 (de
DE60127971T3 (de
Inventor
Valdis Kibens
Ganesh Raman
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.)
Boeing Co
Original Assignee
Boeing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24613139&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60127971(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Boeing Co filed Critical Boeing Co
Publication of DE60127971D1 publication Critical patent/DE60127971D1/de
Publication of DE60127971T2 publication Critical patent/DE60127971T2/de
Application granted granted Critical
Publication of DE60127971T3 publication Critical patent/DE60127971T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F02K1/28—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow
    • F02K1/34—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow for attenuating noise
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/962—Preventing, counteracting or reducing vibration or noise by means of "anti-noise"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/99—Ignition, e.g. ignition by warming up of fuel or oxidizer in a resonant acoustic cavity
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DE60127971.9T 2000-08-30 2001-07-24 Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen Expired - Lifetime DE60127971T3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/651,515 US6375118B1 (en) 2000-08-30 2000-08-30 High frequency excitation apparatus and method for reducing jet and cavity noise
US651515 2000-08-30
EP01955947.5A EP1313937B2 (de) 2000-08-30 2001-07-24 Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen
PCT/US2001/023345 WO2002018771A1 (en) 2000-08-30 2001-07-24 High frequency excitation apparatus and method for reducing jet and cavity noise

Publications (3)

Publication Number Publication Date
DE60127971D1 true DE60127971D1 (de) 2007-05-31
DE60127971T2 DE60127971T2 (de) 2008-01-17
DE60127971T3 DE60127971T3 (de) 2014-10-16

Family

ID=24613139

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60127971.9T Expired - Lifetime DE60127971T3 (de) 2000-08-30 2001-07-24 Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen

Country Status (5)

Country Link
US (1) US6375118B1 (de)
EP (1) EP1313937B2 (de)
AU (1) AU2001277996A1 (de)
DE (1) DE60127971T3 (de)
WO (1) WO2002018771A1 (de)

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US7048229B2 (en) * 2000-09-26 2006-05-23 Techland Research, Inc. Low sonic boom inlet for supersonic aircraft
US6571549B1 (en) * 2001-10-05 2003-06-03 The United States Of America As Represented By The Secretary Of The Air Force Jet noise suppressor
US6446904B1 (en) * 2001-10-05 2002-09-10 The United States Of America As Represented By The Secretary Of The Air Force Aircraft weapons bay high frequency acoustic suppression apparatus
US6615857B1 (en) 2002-08-21 2003-09-09 Combustion Research And Flow Technology, Inc. Modular flow control actuator
US7308966B2 (en) * 2003-12-30 2007-12-18 General Electric Company Device for reducing jet engine exhaust noise using oscillating jets
US7484589B2 (en) * 2004-03-04 2009-02-03 The Boeing Company Apparatus and method for reducing aircraft noise and acoustic fatigue
US7213788B1 (en) * 2004-06-01 2007-05-08 Florida State University Research Foundation Microjet-based control system for cavity flows
US20060202082A1 (en) * 2005-01-21 2006-09-14 Alvi Farrukh S Microjet actuators for the control of flow separation and distortion
US20090261206A1 (en) * 2005-01-21 2009-10-22 Alvi Farrukh S Method of using microjet actuators for the control of flow separation and distortion
US20070163228A1 (en) * 2006-01-19 2007-07-19 United Technologies Corporation Gas augmented rocket engine
US7797944B2 (en) * 2006-10-20 2010-09-21 United Technologies Corporation Gas turbine engine having slim-line nacelle
US7870721B2 (en) * 2006-11-10 2011-01-18 United Technologies Corporation Gas turbine engine providing simulated boundary layer thickness increase
US7988103B2 (en) * 2007-01-19 2011-08-02 John Hopkins University Solid state supersonic flow actuator and method of use
US8408491B2 (en) * 2007-04-24 2013-04-02 United Technologies Corporation Nacelle assembly having inlet airfoil for a gas turbine engine
US8402739B2 (en) * 2007-06-28 2013-03-26 United Technologies Corporation Variable shape inlet section for a nacelle assembly of a gas turbine engine
US9004399B2 (en) 2007-11-13 2015-04-14 United Technologies Corporation Nacelle flow assembly
US8186942B2 (en) * 2007-12-14 2012-05-29 United Technologies Corporation Nacelle assembly with turbulators
US8192147B2 (en) * 2007-12-14 2012-06-05 United Technologies Corporation Nacelle assembly having inlet bleed
US8096507B2 (en) * 2008-01-29 2012-01-17 Innovative Technology Applications Methods and apparatus for optical propagation improvement system
WO2010013499A1 (ja) * 2008-07-28 2010-02-04 国立大学法人群馬大学 噴流騒音防止方法および噴流ノズル
US9404441B2 (en) * 2008-08-18 2016-08-02 Aerojet Rocketdyne Of De, Inc. Low velocity injector manifold for hypergolic rocket engine
US20100140416A1 (en) * 2008-11-03 2010-06-10 Ohanian Iii Osgar John Ducted Fans with Flow Control Synthetic Jet Actuators and Methods for Ducted Fan Force and Moment Control
DE102009057405A1 (de) * 2009-12-08 2011-06-09 Airbus Operations Gmbh Flugzeug mit einer Anordnung von Strömungsbeeinflussungs-Vorrichtungen
US20120024622A1 (en) * 2010-08-02 2012-02-02 Yen Tuan Gaseous-fluid supply system for noise abatement application
US8234869B2 (en) * 2010-08-09 2012-08-07 Yen Tuan Aviation engine inlet with tangential blowing for buzz saw noise control
US8984714B2 (en) 2011-10-04 2015-03-24 Bha Altair, Llc Method and systems for acoustic cleaning
DE102012109647B4 (de) * 2012-10-10 2015-09-03 Airbus Defence and Space GmbH Flugtriebwerk mit einer Einrichtung zum pulsierenden Ausblasen eines Gases in die Abgasdüse
US10054048B2 (en) * 2013-07-26 2018-08-21 Lockheed Martin Corporation Suprression of shock-induced airflow separation
US10487744B2 (en) 2016-05-23 2019-11-26 United Technologies Corporation Fence for duct tone mitigation
US10787245B2 (en) 2016-06-01 2020-09-29 The Boeing Company Distributed compressor for improved integration and performance of an active fluid flow control system
US10473120B2 (en) * 2017-03-09 2019-11-12 Denso International America, Inc. Blower assembly having resonators and resonator assembly
KR20190010146A (ko) * 2017-07-21 2019-01-30 현대자동차주식회사 타이어 휠 및 이의 제조방법
CN110513162B (zh) * 2018-05-22 2022-06-14 通用电气公司 斗式入口
US10947995B1 (en) * 2019-08-27 2021-03-16 Pratt & Whitney Canada Corp. Fan nose cone and dynamic tuning of aircrafts
CN111470045B (zh) * 2020-04-30 2023-05-23 中国飞机强度研究所 一种用于飞行器内埋武器舱的自吸式引气装置

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US3693749A (en) * 1971-04-26 1972-09-26 Gen Electric Reduction of gas turbine engine noise annoyance by modulation
US3774867A (en) * 1972-06-27 1973-11-27 Us Air Force Acoustic wing stall delaying device
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
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EP0916817B1 (de) * 1997-11-18 2006-02-08 Faurecia Abgastechnik GmbH Aktiver Schalldämpfer

Also Published As

Publication number Publication date
EP1313937B2 (de) 2014-06-04
AU2001277996A1 (en) 2002-03-13
EP1313937A1 (de) 2003-05-28
WO2002018771A1 (en) 2002-03-07
DE60127971T2 (de) 2008-01-17
US6375118B1 (en) 2002-04-23
EP1313937B1 (de) 2007-04-18
DE60127971T3 (de) 2014-10-16

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Legal Events

Date Code Title Description
8363 Opposition against the patent