DE69016513D1 - Schalldämpfer für Strahltriebwerke. - Google Patents

Schalldämpfer für Strahltriebwerke.

Info

Publication number
DE69016513D1
DE69016513D1 DE69016513T DE69016513T DE69016513D1 DE 69016513 D1 DE69016513 D1 DE 69016513D1 DE 69016513 T DE69016513 T DE 69016513T DE 69016513 T DE69016513 T DE 69016513T DE 69016513 D1 DE69016513 D1 DE 69016513D1
Authority
DE
Germany
Prior art keywords
mufflers
jet engines
engines
jet
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
DE69016513T
Other languages
English (en)
Other versions
DE69016513T2 (de
Inventor
Delbert W Torkelson
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.)
Nordam Group LLC
Original Assignee
Nordam Group LLC
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 Nordam Group LLC filed Critical Nordam Group LLC
Application granted granted Critical
Publication of DE69016513D1 publication Critical patent/DE69016513D1/de
Publication of DE69016513T2 publication Critical patent/DE69016513T2/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
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/08—Varying effective area of jet pipe or nozzle by axially moving or transversely deforming an internal member, e.g. the exhaust cone
    • 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
    • F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow
    • 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)
  • Jet Pumps And Other Pumps (AREA)
  • Exhaust Silencers (AREA)
  • Supercharger (AREA)
DE69016513T 1989-06-27 1990-06-14 Schalldämpfer für Strahltriebwerke. Expired - Lifetime DE69016513T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/372,051 US4909346A (en) 1989-06-27 1989-06-27 Jet engine noise suppression system

Publications (2)

Publication Number Publication Date
DE69016513D1 true DE69016513D1 (de) 1995-03-16
DE69016513T2 DE69016513T2 (de) 1995-09-21

Family

ID=23466500

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016513T Expired - Lifetime DE69016513T2 (de) 1989-06-27 1990-06-14 Schalldämpfer für Strahltriebwerke.

Country Status (5)

Country Link
US (1) US4909346A (de)
EP (1) EP0405796B1 (de)
JP (1) JP3136152B2 (de)
CA (1) CA1309872C (de)
DE (1) DE69016513T2 (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0591154B1 (de) * 1989-11-06 1996-08-14 THE NORDAM GROUP, Inc. Schalldämpfer mit zentralkörper für ein mantelstromtriebwerk
GB2244098A (en) * 1990-05-17 1991-11-20 Secr Defence Variable configuration gas turbine engine
GB2259955A (en) * 1990-05-17 1993-03-31 Secr Defence Variable cycle gas turbine engine for supersonic aircraft
US5203164A (en) * 1990-06-06 1993-04-20 Paulson Allen E Method and apparatus for quieting a turbojet engine
US5157916A (en) * 1990-11-02 1992-10-27 United Technologies Corporation Apparatus and method for suppressing sound in a gas turbine engine powerplant
US5265408A (en) * 1992-02-13 1993-11-30 Allied-Signal Inc. Exhaust eductor cooling system
DE4222947C2 (de) * 1992-07-11 1995-02-02 Deutsche Aerospace Strahltriebwerk
US5758488A (en) * 1993-05-11 1998-06-02 Roderick Thomson Core flow expansion chamber device system for reduction of jet turbine engine noise
US5722233A (en) * 1993-06-23 1998-03-03 The Nordam Group, Inc. Turbofan engine exhaust mixing area modification for improved engine efficiency and noise reduction
EP0635632B1 (de) * 1993-06-25 1997-10-22 THE NORDAM GROUP, Inc. System zur Schalldämpfung
US5428954A (en) * 1994-04-11 1995-07-04 Cowan, Sr.; Howard H. System for suppressing engine exhaust noise
US5761899A (en) * 1995-05-11 1998-06-09 The Boeing Company Supersonic engine apparatus and method with ejector/suppressor
US5592813A (en) * 1995-07-06 1997-01-14 Avaero Hush kit for jet engine
US5706651A (en) * 1995-08-29 1998-01-13 Burbank Aeronautical Corporation Ii Turbofan engine with reduced noise
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
US5848526A (en) * 1996-10-21 1998-12-15 United Technologies Corporation Noise reducing stator assembly for a gas turbine engine
US5894721A (en) * 1996-10-21 1999-04-20 United Technologies Corporation Noise reducing stator assembly for a gas turbine engine
US5884843A (en) * 1996-11-04 1999-03-23 The Boeing Company Engine noise suppression ejector nozzle
US5941065A (en) * 1996-11-04 1999-08-24 The Boeing Company Stowable mixer ejection nozzle
US5908159A (en) * 1997-02-24 1999-06-01 The Boeing Company Aircraft chute ejector nozzle
US6178740B1 (en) 1999-02-25 2001-01-30 The Boeing Company Turbo fan engine nacelle exhaust system with concave primary nozzle plug
US7316109B2 (en) * 2006-01-17 2008-01-08 Fleetguard, Inc Lobed exhaust diffuser apparatus, system, and method
US6615576B2 (en) * 2001-03-29 2003-09-09 Honeywell International Inc. Tortuous path quiet exhaust eductor system
US6651929B2 (en) * 2001-10-29 2003-11-25 Pratt & Whitney Canada Corp. Passive cooling system for auxiliary power unit installation
FR2852354B1 (fr) * 2003-03-13 2006-08-04 Giat Ind Sa Dispositif de dilution des gaz d'echappement
DE502004009480D1 (de) * 2004-03-03 2009-06-25 Rolls Royce Plc Anordnung zur Erzeugung von Schallfeldern mit bestimmter modaler Zusammensetzung
US7152410B2 (en) * 2004-06-10 2006-12-26 Honeywell International, Inc. System and method for dumping surge flow into eductor primary nozzle for free turbine
US7350619B2 (en) * 2004-09-23 2008-04-01 Honeywell International, Inc. Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner
US7389635B2 (en) * 2004-12-01 2008-06-24 Honeywell International Inc. Twisted mixer with open center body
FR2896274B1 (fr) * 2006-01-13 2008-04-18 Snecma Sa Melangeur de flux a section variable pour turboreacteur double flux d'avion supersonique
US7757481B2 (en) * 2006-01-17 2010-07-20 Cummins Filtration Ip, Inc Enclosed volume exhaust diffuser apparatus, system, and method
US7967105B2 (en) * 2006-06-19 2011-06-28 Yen Tuan Aero-acoustic aviation engine inlet for aggressive noise abatement
FR2902469B1 (fr) * 2006-06-19 2008-10-24 Snecma Sa Melangeur a lobes courbes pour tuyere a flux confluents de turbomachine
FR2902838B1 (fr) * 2006-06-26 2013-03-15 Snecma Cone d'echappement pour la canalisation d'une veine de gaz a l'aval d'une turbine
US8015797B2 (en) * 2006-09-21 2011-09-13 Jean-Pierre Lair Thrust reverser nozzle for a turbofan gas turbine engine
DE102007001622A1 (de) * 2007-01-03 2008-07-10 Wetzel, Heinz-Eberhard, Dr. Strahltriebwerk
FR2911922B1 (fr) * 2007-01-26 2009-04-24 Snecma Sa Melangeur de flux a section variable pour turboreacteur a double flux d'avion supersonique
US8376686B2 (en) 2007-03-23 2013-02-19 Flodesign Wind Turbine Corp. Water turbines with mixers and ejectors
US7882696B2 (en) * 2007-06-28 2011-02-08 Honeywell International Inc. Integrated support and mixer for turbo machinery
GB2453941B (en) * 2007-10-22 2012-01-11 Yen Tuan Aero-acoustic aviation engine inlet for aggressive noise abatement
US8052086B2 (en) 2007-11-16 2011-11-08 The Nordam Group, Inc. Thrust reverser door
US8091827B2 (en) 2007-11-16 2012-01-10 The Nordam Group, Inc. Thrust reverser door
US8172175B2 (en) 2007-11-16 2012-05-08 The Nordam Group, Inc. Pivoting door thrust reverser for a turbofan gas turbine engine
US8052085B2 (en) 2007-11-16 2011-11-08 The Nordam Group, Inc. Thrust reverser for a turbofan gas turbine engine
US7735778B2 (en) 2007-11-16 2010-06-15 Pratt & Whitney Canada Corp. Pivoting fairings for a thrust reverser
US8051639B2 (en) * 2007-11-16 2011-11-08 The Nordam Group, Inc. Thrust reverser
CA2725231C (en) * 2008-04-16 2015-01-06 Walter M. Presz Water turbines with mixers and ejectors
US8127530B2 (en) 2008-06-19 2012-03-06 The Nordam Group, Inc. Thrust reverser for a turbofan gas turbine engine
US8549850B2 (en) * 2008-10-31 2013-10-08 Cummins Filtration Ip, Inc. Exhaust gas aspirator
DE102010014037A1 (de) * 2009-04-02 2010-11-04 Cummins Filtration IP, Inc., Minneapolis Reduktionsmittelzersetzungssystem
US20120024622A1 (en) * 2010-08-02 2012-02-02 Yen Tuan Gaseous-fluid supply system for noise abatement application
US9261112B2 (en) 2012-04-24 2016-02-16 General Electric Company Dampers for fan spinners of aircraft engines
US9261047B2 (en) 2012-05-29 2016-02-16 Lockheed Martin Corporation Jet exhaust noise reduction
FR2994460B1 (fr) * 2012-08-09 2018-04-27 Safran Aircraft Engines Cone d'ejection pour turbomachine comportant des moyens d'aspiration de couche limite d'un flux d'air
US10190536B2 (en) 2012-09-17 2019-01-29 Pratt & Whitney Canada Corp. Turbine exhaust case mixer of gas turbine with variable thickness
US10371051B2 (en) 2013-03-01 2019-08-06 United Technologies Corporation Gas turbine engine noise reducing nose cone
US9745919B2 (en) 2014-07-30 2017-08-29 Pratt & Whitney Canada Corp. Gas turbine engine exhaust ejector/mixer
US20180355821A1 (en) * 2017-06-09 2018-12-13 United Technologies Corporation Moveable exhaust plug
US10570852B2 (en) 2017-09-21 2020-02-25 United Technologies Corporation Moveable exhaust plug liner
WO2019113689A1 (en) 2017-12-15 2019-06-20 Bombardier Inc. Noise attenuating device to reduce noise generated by an opening in a skin of an aircraft
US10927792B2 (en) * 2018-06-22 2021-02-23 The Boeing Company Jet noise suppressor
US11028778B2 (en) 2018-09-27 2021-06-08 Pratt & Whitney Canada Corp. Engine with start assist
US11408368B2 (en) * 2020-03-31 2022-08-09 Rolls-Royce North American Technologies Inc. Reconfigurable exhaust nozzle for a gas turbine engine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB996461A (en) * 1962-09-03 1965-06-30 Bristol Siddeley Engines Ltd Improvements relating to jet propulsion power plants
US3579993A (en) * 1969-08-04 1971-05-25 Rohr Corp Sound suppression system
US3710890A (en) * 1971-09-27 1973-01-16 Boeing Co Aircraft engine noise suppression
US3829020A (en) * 1973-06-13 1974-08-13 Boeing Co Translating sleeve variable area nozzle and thrust reverser
US4077206A (en) * 1976-04-16 1978-03-07 The Boeing Company Gas turbine mixer apparatus for suppressing engine core noise and engine fan noise
US4117671A (en) * 1976-12-30 1978-10-03 The Boeing Company Noise suppressing exhaust mixer assembly for ducted-fan, turbojet engine
US4215536A (en) * 1978-12-26 1980-08-05 The Boeing Company Gas turbine mixer apparatus
US4501393A (en) * 1982-03-17 1985-02-26 The Boeing Company Internally ventilated noise suppressor with large plug nozzle
US4422524A (en) * 1982-03-22 1983-12-27 Lockheed Corporation Variable shape, fluid flow nozzle for sound suppression

Also Published As

Publication number Publication date
DE69016513T2 (de) 1995-09-21
EP0405796B1 (de) 1995-02-01
US4909346A (en) 1990-03-20
CA1309872C (en) 1992-11-10
JP3136152B2 (ja) 2001-02-19
EP0405796A1 (de) 1991-01-02
JPH0337363A (ja) 1991-02-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THE NORDAM GROUP, INC., TULSA, OKLA., US