DE69221492D1 - Vorrichtung und methode zur lärmunterdrückung bei gasturbinentriebwerken - Google Patents

Vorrichtung und methode zur lärmunterdrückung bei gasturbinentriebwerken

Info

Publication number
DE69221492D1
DE69221492D1 DE69221492T DE69221492T DE69221492D1 DE 69221492 D1 DE69221492 D1 DE 69221492D1 DE 69221492 T DE69221492 T DE 69221492T DE 69221492 T DE69221492 T DE 69221492T DE 69221492 D1 DE69221492 D1 DE 69221492D1
Authority
DE
Germany
Prior art keywords
gas turbine
noise reduction
turbine engines
engines
noise
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 - Fee Related
Application number
DE69221492T
Other languages
English (en)
Other versions
DE69221492T2 (de
Inventor
Thomas Wynosky
Robert Mischke
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of DE69221492D1 publication Critical patent/DE69221492D1/de
Application granted granted Critical
Publication of DE69221492T2 publication Critical patent/DE69221492T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02K1/46—Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing
    • F02K1/48—Corrugated nozzles
    • 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
    • F02K1/38—Introducing air inside the jet
    • F02K1/383—Introducing air inside the jet with retractable elements
    • 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
    • F02K1/46—Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
DE69221492T 1990-11-02 1992-04-29 Vorrichtung und methode zur lärmunterdrückung bei gasturbinentriebwerken Expired - Fee Related DE69221492T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/608,510 US5157916A (en) 1990-11-02 1990-11-02 Apparatus and method for suppressing sound in a gas turbine engine powerplant
PCT/US1992/003622 WO1993022552A1 (en) 1990-11-02 1992-04-29 Apparatus and method for suppressing sound in a gas turbine engine powerplant

Publications (2)

Publication Number Publication Date
DE69221492D1 true DE69221492D1 (de) 1997-09-11
DE69221492T2 DE69221492T2 (de) 1998-01-22

Family

ID=24436818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221492T Expired - Fee Related DE69221492T2 (de) 1990-11-02 1992-04-29 Vorrichtung und methode zur lärmunterdrückung bei gasturbinentriebwerken

Country Status (5)

Country Link
US (1) US5157916A (de)
EP (1) EP0592526B1 (de)
JP (1) JPH07500401A (de)
DE (1) DE69221492T2 (de)
WO (1) WO1993022552A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9014381D0 (en) * 1990-06-28 1990-08-22 Short Brothers Plc A composite structural component
US5261229A (en) * 1992-08-03 1993-11-16 General Electric Company Noise-suppressed exhaust nozzles for jet engines
US5758488A (en) * 1993-05-11 1998-06-02 Roderick Thomson Core flow expansion chamber device system for reduction of jet turbine engine noise
EP0635632B1 (de) * 1993-06-25 1997-10-22 THE NORDAM GROUP, Inc. System zur Schalldämpfung
US5463866A (en) * 1993-12-30 1995-11-07 The Boeing Company Supersonic jet engine installation and method with sound suppressing nozzle
US5638675A (en) * 1995-09-08 1997-06-17 United Technologies Corporation Double lobed mixer with major and minor lobes
US5884472A (en) * 1995-10-11 1999-03-23 Stage Iii Technologies, L.C. Alternating lobed mixer/ejector concept suppressor
US5761900A (en) * 1995-10-11 1998-06-09 Stage Iii Technologies, L.C. Two-stage mixer ejector suppressor
US5947412A (en) * 1997-01-10 1999-09-07 Titan Corporation Jet engine noise suppressor assembly
FR2765272B1 (fr) * 1997-06-26 1999-08-20 Snecma Arriere-corps ejecteur et melangeur de turbomachine
US6854260B2 (en) * 2001-12-07 2005-02-15 Jack H. Anderson Jet nozzle mixer
US7584822B2 (en) * 2003-08-08 2009-09-08 Fisher Controls International Llc Noise level reduction of sparger assemblies
FR2905984B1 (fr) * 2006-09-20 2011-12-30 Turbomeca Moteur d'helicoptere a turbine a gaz a emission sonore reduite par traitement acoustique d'un ejecteur
US8371806B2 (en) * 2007-10-03 2013-02-12 United Technologies Corporation Gas turbine engine having core auxiliary duct passage
US8562281B2 (en) * 2008-12-31 2013-10-22 Rolls Royce Corporation Actuator
US8272222B2 (en) * 2010-01-04 2012-09-25 General Electric Company Inlet bleed heat system with ejector/mixer nozzles for noise reduction
US9222410B2 (en) 2011-04-13 2015-12-29 General Electric Company Power plant
WO2014051669A1 (en) * 2012-09-28 2014-04-03 United Technologies Corporation Reduction in jet flap interaction noise with geared turbine engine

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477231A (en) * 1967-12-26 1969-11-11 Gen Electric Noise reduction
US3542152A (en) * 1968-04-08 1970-11-24 Gen Electric Sound suppression panel
BE755612A (fr) * 1969-06-18 1971-02-15 Gen Electric Tuyeres de propulsion a systeme suppresseur de bruit ameliore
US3579993A (en) * 1969-08-04 1971-05-25 Rohr Corp Sound suppression system
US3696617A (en) * 1969-11-10 1972-10-10 Rohr Corp Turbo-fan propulsion apparatus and operating method
GB1349739A (en) * 1970-05-01 1974-04-10 British Aircraft Corp Ltd Spoilers for aircraft
US3695387A (en) * 1970-09-08 1972-10-03 Rohr Corp Sound suppression system for fan jet engines
US3739984A (en) * 1971-08-25 1973-06-19 Rohr Industries Inc Thrust augmenting and south suppressing apparatus and method
US3710890A (en) * 1971-09-27 1973-01-16 Boeing Co Aircraft engine noise suppression
US3742711A (en) * 1972-02-07 1973-07-03 Rohr Industries Inc Modulatable thrust nozzle apparatus
US3830431A (en) * 1973-03-23 1974-08-20 Nasa Abating exhaust noises in jet engines
US3879941A (en) * 1973-05-21 1975-04-29 Gen Electric Variable cycle gas turbine engine
FR2241695B1 (de) * 1973-08-21 1978-03-17 Bertin & Cie
US3987621A (en) * 1974-06-03 1976-10-26 United Technologies Corporation Method for reducing jet exhaust takeoff noise from a turbofan engine
US4066214A (en) * 1976-10-14 1978-01-03 The Boeing Company Gas turbine exhaust nozzle for controlled temperature flow across adjoining airfoils
US4117671A (en) * 1976-12-30 1978-10-03 The Boeing Company Noise suppressing exhaust mixer assembly for ducted-fan, turbojet engine
US4835961A (en) * 1986-04-30 1989-06-06 United Technologies Corporation Fluid dynamic pump
DE3903713A1 (de) * 1989-02-08 1990-08-09 Mtu Muenchen Gmbh Strahltriebwerk
US4909346A (en) * 1989-06-27 1990-03-20 Nordam Jet engine noise suppression system
GB2244098A (en) * 1990-05-17 1991-11-20 Secr Defence Variable configuration gas turbine engine

Also Published As

Publication number Publication date
JPH07500401A (ja) 1995-01-12
WO1993022552A1 (en) 1993-11-11
EP0592526B1 (de) 1997-08-06
US5157916A (en) 1992-10-27
DE69221492T2 (de) 1998-01-22
EP0592526A1 (de) 1994-04-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee