ATE183811T1 - Lärmgedämpfte strahldüse für ein turbotriebwerk - Google Patents

Lärmgedämpfte strahldüse für ein turbotriebwerk

Info

Publication number
ATE183811T1
ATE183811T1 AT94304591T AT94304591T ATE183811T1 AT E183811 T1 ATE183811 T1 AT E183811T1 AT 94304591 T AT94304591 T AT 94304591T AT 94304591 T AT94304591 T AT 94304591T AT E183811 T1 ATE183811 T1 AT E183811T1
Authority
AT
Austria
Prior art keywords
tailpipe
engine
noise
damped
jet nozzle
Prior art date
Application number
AT94304591T
Other languages
English (en)
Inventor
Thomas J Jannetta
John P Nikkanen
Original Assignee
Nordam Group Inc
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 Nordam Group Inc, United Technologies Corp filed Critical Nordam Group Inc
Application granted granted Critical
Publication of ATE183811T1 publication Critical patent/ATE183811T1/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
    • F02K1/78—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
AT94304591T 1993-06-23 1994-06-23 Lärmgedämpfte strahldüse für ein turbotriebwerk ATE183811T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/082,050 US5722233A (en) 1993-06-23 1993-06-23 Turbofan engine exhaust mixing area modification for improved engine efficiency and noise reduction

Publications (1)

Publication Number Publication Date
ATE183811T1 true ATE183811T1 (de) 1999-09-15

Family

ID=22168728

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94304591T ATE183811T1 (de) 1993-06-23 1994-06-23 Lärmgedämpfte strahldüse für ein turbotriebwerk

Country Status (6)

Country Link
US (1) US5722233A (de)
EP (1) EP0631042B1 (de)
JP (1) JP3343830B2 (de)
AT (1) ATE183811T1 (de)
CA (1) CA2126539C (de)
DE (1) DE69420199D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5706651A (en) * 1995-08-29 1998-01-13 Burbank Aeronautical Corporation Ii Turbofan engine with reduced noise
US5947412A (en) * 1997-01-10 1999-09-07 Titan Corporation Jet engine noise suppressor assembly
US6178740B1 (en) 1999-02-25 2001-01-30 The Boeing Company Turbo fan engine nacelle exhaust system with concave primary nozzle plug
US8096753B2 (en) * 2004-12-01 2012-01-17 United Technologies Corporation Tip turbine engine and operating method with reverse core airflow
US7506501B2 (en) * 2004-12-01 2009-03-24 Honeywell International Inc. Compact mixer with trimmable open centerbody
US20080044273A1 (en) * 2006-08-15 2008-02-21 Syed Arif Khalid Turbomachine with reduced leakage penalties in pressure change and efficiency
US20080046407A1 (en) * 2006-08-16 2008-02-21 Microsoft Corporation Application search interface
US7882696B2 (en) * 2007-06-28 2011-02-08 Honeywell International Inc. Integrated support and mixer for turbo machinery
US8371806B2 (en) * 2007-10-03 2013-02-12 United Technologies Corporation Gas turbine engine having core auxiliary duct passage
US8776527B1 (en) 2008-06-17 2014-07-15 Rolls-Royce North American Technologies, Inc. Techniques to reduce infrared detection of a gas turbine engine
FR2971015B1 (fr) * 2011-02-01 2015-02-27 Snecma Tuyere d'ejection pour turboreacteur d'avion a double flux separes a capot secondaire deployable et corps central retractable
CN103696880B (zh) * 2013-12-04 2016-02-24 中国航空工业集团公司沈阳发动机设计研究所 一种薄壁旋流中心体结构
CN104405530B (zh) * 2014-10-16 2016-03-02 南京航空航天大学 分开排气式涡扇发动机排气降噪系统
CN106246408B (zh) * 2016-08-03 2017-10-03 中国科学院工程热物理研究所 一种超紧凑高掺混效率消旋波瓣混合排气系统结构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335573A (en) * 1970-09-02 1982-06-22 General Electric Company Gas turbine engine mixer
US3710890A (en) * 1971-09-27 1973-01-16 Boeing Co Aircraft engine noise suppression
GB1501876A (en) * 1974-07-09 1978-02-22 Secr Defence Turbo fan exhausts
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
US4214441A (en) * 1978-09-12 1980-07-29 The United States Of America As Represented By The Secretary Of The Navy Infrared suppressor device
US4302934A (en) * 1979-11-01 1981-12-01 United Technologies Corporation Lobed mixer/inverter
WO1983003281A1 (en) * 1982-03-17 1983-09-29 Klees, Garry, William Internally ventilated noise suppressor with large plug nozzle
US4909346A (en) * 1989-06-27 1990-03-20 Nordam Jet engine noise suppression system
US5167118A (en) * 1989-11-06 1992-12-01 Nordam Jet engine fixed plug noise suppressor
US5060471A (en) * 1989-11-06 1991-10-29 501 Nordam Jet engine noise reduction system
US5127602B1 (en) * 1989-11-21 1995-05-02 Federal Express Corp Noise reduction kit for jet turbine engines.

Also Published As

Publication number Publication date
DE69420199D1 (de) 1999-09-30
CA2126539C (en) 2004-05-11
US5722233A (en) 1998-03-03
EP0631042B1 (de) 1999-08-25
JPH07139428A (ja) 1995-05-30
EP0631042A1 (de) 1994-12-28
CA2126539A1 (en) 1994-12-24
JP3343830B2 (ja) 2002-11-11

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Legal Events

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