ATE447666T1 - Doppelmischer-abgasdüse - Google Patents

Doppelmischer-abgasdüse

Info

Publication number
ATE447666T1
ATE447666T1 AT03723646T AT03723646T ATE447666T1 AT E447666 T1 ATE447666 T1 AT E447666T1 AT 03723646 T AT03723646 T AT 03723646T AT 03723646 T AT03723646 T AT 03723646T AT E447666 T1 ATE447666 T1 AT E447666T1
Authority
AT
Austria
Prior art keywords
mixers
exhaust nozzle
chutes
lobes
double mixer
Prior art date
Application number
AT03723646T
Other languages
English (en)
Inventor
Jean-Pierre Lair
Original Assignee
Nordam Group 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 Nordam Group Inc filed Critical Nordam Group Inc
Application granted granted Critical
Publication of ATE447666T1 publication Critical patent/ATE447666T1/de

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
    • F02K1/40—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet
    • F02K1/42—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet the means being movable into an inoperative position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/04—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of exhaust outlets or jet pipes
    • B64D33/06—Silencing exhaust or propulsion jets
    • 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
    • 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
    • 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
    • F02K3/04—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 the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/024—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising cooling means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Manufacture Of Iron (AREA)
  • Gas Separation By Absorption (AREA)
  • Supercharger (AREA)
  • Nozzles (AREA)
AT03723646T 2002-02-22 2003-02-21 Doppelmischer-abgasdüse ATE447666T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35886502P 2002-02-22 2002-02-22
US36293902P 2002-03-08 2002-03-08
PCT/US2003/005552 WO2003072923A1 (en) 2002-02-22 2003-02-21 Duplex mixer exhaust nozzle

Publications (1)

Publication Number Publication Date
ATE447666T1 true ATE447666T1 (de) 2009-11-15

Family

ID=27767555

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03723646T ATE447666T1 (de) 2002-02-22 2003-02-21 Doppelmischer-abgasdüse

Country Status (7)

Country Link
US (1) US6786038B2 (de)
EP (1) EP1485600B1 (de)
AT (1) ATE447666T1 (de)
BR (1) BR0307845B1 (de)
CA (1) CA2476503C (de)
DE (1) DE60329905D1 (de)
WO (1) WO2003072923A1 (de)

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FR2829802B1 (fr) * 2001-09-19 2004-05-28 Centre Nat Rech Scient Dispositif de controle de melange de jets propulsifs pour reacteur d'avion
GB0205701D0 (en) * 2002-03-12 2002-04-24 Rolls Royce Plc Variable area nozzle
FR2855558B1 (fr) * 2003-05-28 2005-07-15 Snecma Moteurs Tuyere de turbomachine a reduction de bruit
US7581692B2 (en) * 2003-06-30 2009-09-01 General Electric Company Fluidic chevrons and configurable thermal shield for jet noise reduction
GB2407142B (en) * 2003-10-15 2006-03-01 Rolls Royce Plc An arrangement for bleeding the boundary layer from an aircraft engine
US7114323B2 (en) * 2004-03-05 2006-10-03 United Technologies Corporation Jet exhaust noise reduction system and method
US7246481B2 (en) * 2004-03-26 2007-07-24 General Electric Company Methods and apparatus for operating gas turbine engines
US7377108B2 (en) * 2004-04-09 2008-05-27 The Boeing Company Apparatus and method for reduction jet noise from single jets
US7418813B2 (en) * 2004-12-27 2008-09-02 General Electric Company Gas turbine engine exhaust nozzle including an infrared suppression system having a plurality of U-shaped blocking fins and method of assembling said exhaut nozzle
GB0505246D0 (en) * 2005-03-15 2005-04-20 Rolls Royce Plc Engine noise
FR2892152B1 (fr) * 2005-10-19 2007-11-23 Airbus France Sas Turbomoteur a bruit de jet attenue
FR2904663B1 (fr) * 2006-08-01 2012-02-03 Snecma Turbomachine a double flux a variation artificielle de sa section de col
US8157207B2 (en) * 2006-08-09 2012-04-17 The Boeing Company Jet engine nozzle exit configurations, including projections oriented relative to pylons, and associated systems and methods
US7966824B2 (en) * 2006-08-09 2011-06-28 The Boeing Company Jet engine nozzle exit configurations and associated systems and methods
US8015797B2 (en) 2006-09-21 2011-09-13 Jean-Pierre Lair Thrust reverser nozzle for a turbofan gas turbine engine
EP2074318B1 (de) * 2006-10-12 2016-03-09 United Technologies Corporation Mantelstromtriebwerk und Verfahren zur Änderung des Austrittsquerschnitts einer Mantelstromdüse
US7870722B2 (en) * 2006-12-06 2011-01-18 The Boeing Company Systems and methods for passively directing aircraft engine nozzle flows
US7966826B2 (en) * 2007-02-14 2011-06-28 The Boeing Company Systems and methods for reducing noise from jet engine exhaust
US7963099B2 (en) * 2007-05-21 2011-06-21 General Electric Company Fluted chevron exhaust nozzle
US7966827B2 (en) * 2007-05-31 2011-06-28 United Technologies Corporation Gas turbine engine with fan variable area nozzle having a rotational valve system
US7762057B2 (en) * 2007-06-05 2010-07-27 The Boeing Company Internal mixing of a portion of fan exhaust flow and full core exhaust flow in aircraft turbofan engines
US8341935B2 (en) * 2007-06-05 2013-01-01 The Boeing Company Internal mixing of a portion of fan exhaust flow and full core exhaust flow in aircraft turbofan engines
US8726665B2 (en) 2007-06-05 2014-05-20 The Boeing Company Internal mixing of a portion of fan exhaust flow and full core exhaust flow in aircraft turbofan engines
US7882696B2 (en) * 2007-06-28 2011-02-08 Honeywell International Inc. Integrated support and mixer for turbo machinery
US7926285B2 (en) * 2007-07-18 2011-04-19 General Electric Company Modular chevron exhaust nozzle
US8371806B2 (en) * 2007-10-03 2013-02-12 United Technologies Corporation Gas turbine engine having core auxiliary duct passage
US8091827B2 (en) 2007-11-16 2012-01-10 The Nordam Group, Inc. Thrust reverser door
US8052086B2 (en) 2007-11-16 2011-11-08 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
US8051639B2 (en) 2007-11-16 2011-11-08 The Nordam Group, Inc. Thrust reverser
US7735778B2 (en) * 2007-11-16 2010-06-15 Pratt & Whitney Canada Corp. Pivoting fairings for a thrust reverser
EP2256327B1 (de) * 2008-02-25 2019-09-04 IHI Corporation Geräuschminderungsvorrichtung und strahlantriebssystem
FR2929334B1 (fr) * 2008-03-31 2012-06-01 Airbus France Dispositif de reduction du bruit genere par reacteur d'aeronef a conduits de fluide coudes
FR2929336B1 (fr) * 2008-03-31 2012-06-01 Airbus France Dispositif a jets plans de reduction du bruit genere par un reacteur d'aeronef
US8127530B2 (en) 2008-06-19 2012-03-06 The Nordam Group, Inc. Thrust reverser for a turbofan gas turbine engine
WO2010037087A1 (en) * 2008-09-29 2010-04-01 Bender Andrew L High efficiency turbine
DE102009032841A1 (de) * 2009-07-13 2011-01-20 Rolls-Royce Deutschland Ltd & Co Kg Geräuschreduziertes Flugzeugtriebwerk sowie Verfahren zur Verminderung von Geräuschemissionen eines Flugzeugtriebwerks
US9528468B2 (en) * 2009-10-28 2016-12-27 Ihi Corporation Noise reduction system
US8635875B2 (en) 2010-04-29 2014-01-28 Pratt & Whitney Canada Corp. Gas turbine engine exhaust mixer including circumferentially spaced-apart radial rows of tabs extending downstream on the radial walls, crests and troughs
US9260974B2 (en) 2011-12-16 2016-02-16 General Electric Company System and method for active clearance control
US9435293B2 (en) 2013-02-22 2016-09-06 United Technologies Corporation Full ring sliding nacelle with thrust reverser
US9617009B2 (en) 2013-02-22 2017-04-11 United Technologies Corporation ATR full ring sliding nacelle
US9581108B2 (en) 2013-02-22 2017-02-28 United Technologies Corporation Pivot thrust reverser with multi-point actuation
FR3009027B1 (fr) * 2013-07-26 2018-04-06 Airbus Operations Ensemble turbomachine d'aeronef a bruit de jet attenue.
US10197010B2 (en) 2013-08-12 2019-02-05 The Boeing Company Long-duct, mixed-flow nozzle system for a turbofan engine
FR3016411B1 (fr) * 2014-01-10 2019-04-19 Safran Aircraft Engines Ensemble propulsif d'aeronef comportant des moyens de reduction de bruit
US9574518B2 (en) 2014-06-02 2017-02-21 The Boeing Company Turbofan engine with variable exhaust cooling
FR3030452A1 (fr) * 2014-12-17 2016-06-24 Aircelle Sa Nacelle pour un turboreacteur d'aeronef double flux
US10704786B2 (en) * 2015-01-29 2020-07-07 Siemens Energy, Inc. Fuel injector including a lobed mixer and vanes for injecting alternate fuels in a gas turbine
FR3034141B1 (fr) * 2015-03-26 2018-10-19 Aircelle Dispositif a microjets pour la reduction du bruit de jet d'une turbomachine
FR3034142B1 (fr) * 2015-03-26 2017-04-07 Snecma Dispositif a grilles d'ejection de microjets pour la reduction du bruit de jet d'une turbomachine
WO2016151267A1 (fr) * 2015-03-26 2016-09-29 Snecma Dispositif a grilles d'ejection de microjets pour la reduction du bruit de jet d'une turbomachine
FR3036139B1 (fr) * 2015-05-12 2019-12-13 Safran Aircraft Engines Turbomachine comportant un melangeur a lobes avec ecopes.
US11365704B2 (en) * 2018-02-27 2022-06-21 New York University In Abu Dhabi Corportion Directionally targeted jet noise reduction system and method
KR102502582B1 (ko) * 2018-04-23 2023-02-22 삼성전자주식회사 세이프티 가드를 구비한 무인 비행기
FR3087847B1 (fr) * 2018-10-25 2020-12-25 Safran Aircraft Engines Melangeur a lobes favorisant le melange de flux confluents
US20220161205A1 (en) * 2020-11-20 2022-05-26 Pratt & Whitney Canada Corp. Exhaust mixer

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Also Published As

Publication number Publication date
US6786038B2 (en) 2004-09-07
EP1485600B1 (de) 2009-11-04
EP1485600A4 (de) 2008-05-07
CA2476503C (en) 2011-05-24
US20030182925A1 (en) 2003-10-02
CA2476503A1 (en) 2003-09-04
BR0307845B1 (pt) 2012-09-18
WO2003072923A1 (en) 2003-09-04
DE60329905D1 (de) 2009-12-17
BR0307845A (pt) 2004-12-07
EP1485600A1 (de) 2004-12-15

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties