JP2009541638A - 入り込み翼後縁付き吐き出し管路を含む航空機推進集合体 - Google Patents
入り込み翼後縁付き吐き出し管路を含む航空機推進集合体 Download PDFInfo
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- JP2009541638A JP2009541638A JP2009515926A JP2009515926A JP2009541638A JP 2009541638 A JP2009541638 A JP 2009541638A JP 2009515926 A JP2009515926 A JP 2009515926A JP 2009515926 A JP2009515926 A JP 2009515926A JP 2009541638 A JP2009541638 A JP 2009541638A
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- propulsion assembly
- sound
- trailing edge
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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
- F02K1/38—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
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- 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
- F02K1/44—Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
Abstract
【選択図】図2A
Description
[技術課題]
Claims (7)
- 翼後縁(78,82)により区切られる空気出口が含まれる少なくとも1本の吐き出し管路(62,76)を含む推進集合体であって、該吐き出し管路(62,76)の終端部分に、それぞれ音の四散を抑制できる先端部分(86)により分離された特別に恵まれた音の四散方向に対応する2本の入り込み部(84)が含まれ、前記入り込み部が水平中間平面に関して上部方向に向かってずらされることを特徴とする推進集合体。
- 該入り込み部(84)が鉛直方向中間平面に関して対称に配置されることを特徴とする請求項1に記載の推進集合体。
- 第1入り込み部がおよそ30度から120度までの角度の円弧上に拡がること、ならびに第2入り込み部がおよそ240度から330度までの角度の円弧上に拡がることを特徴とする請求項2に記載の推進集合体。
- 一方で送風機(58)と主管路(62)が含まれるエンジン(56)、他方で空気流の方向に沿う下流に空気出口と境界をなす翼後縁(78)を含む補助管路(76)と境界をなすエンジン室(72)を含む推進集合体であって、該補助管路(76)の終端部分に、それぞれ音の四散を抑制できる先端部分(86)により分離された特別に恵まれた音の四散方向に対応する2本の入り込み部(84)が含まれ、前記入り込み部が上部方向に向けて水平中間平面に関してずらされることを特徴とする推進集合体。
- 該入り込み部(84)が鉛直方向中間平面に関して対称に配置されることを特徴とする請求項4に記載の推進集合体。
- 第1入り込み部がおよそ30度から120度までの角度の円弧上に拡がること、ならびに第2入り込み部がおよそ240度から330度までの角度の円弧上に拡がることを特徴とする請求項5に記載の推進集合体。
- 請求項1から請求項6のいずれか1項に記載の少なくとも1基の推進集合体を含む航空機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0605546A FR2902758B1 (fr) | 2006-06-21 | 2006-06-21 | Ensemble propulsif d'aeronef comportant un conduit d'ejection avec un bord de fuite echancre |
FR0605546 | 2006-06-21 | ||
PCT/FR2007/051434 WO2007148001A1 (fr) | 2006-06-21 | 2007-06-13 | Ensemble propulsif d'aeronef comportant un conduit d'ejection avec un bord de fuite echancre |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009541638A true JP2009541638A (ja) | 2009-11-26 |
JP5058252B2 JP5058252B2 (ja) | 2012-10-24 |
Family
ID=37499345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009515926A Expired - Fee Related JP5058252B2 (ja) | 2006-06-21 | 2007-06-13 | 入り込み翼後縁付き吐き出し管路を含む航空機推進集合体 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20090277181A1 (ja) |
EP (1) | EP2029879B1 (ja) |
JP (1) | JP5058252B2 (ja) |
CN (1) | CN101517219B (ja) |
BR (1) | BRPI0712637A2 (ja) |
CA (1) | CA2655601A1 (ja) |
FR (1) | FR2902758B1 (ja) |
RU (1) | RU2445488C2 (ja) |
WO (1) | WO2007148001A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012145001A (ja) * | 2011-01-07 | 2012-08-02 | Ihi Corp | エンジン排気ノズル及び航空機エンジン |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2920036B1 (fr) * | 2007-08-14 | 2013-11-15 | Airbus France | Chevrons anti-bruit pour tuyere |
US20140083079A1 (en) * | 2012-09-26 | 2014-03-27 | United Technologies Corporation | Geared turbofan primary and secondary nozzle integration geometry |
US20150330254A1 (en) | 2014-05-15 | 2015-11-19 | United Technologies Corporation | Compact Nacelle With Contoured Fan Nozzle |
FR3065944B1 (fr) * | 2017-05-05 | 2021-03-05 | Safran Aircraft Engines | Nacelle de turbomachine destinee a etre installee devant une voilure d'avion |
US11655768B2 (en) | 2021-07-26 | 2023-05-23 | General Electric Company | High fan up speed engine |
US11767790B2 (en) | 2021-08-23 | 2023-09-26 | General Electric Company | Object direction mechanism for turbofan engine |
US11739689B2 (en) | 2021-08-23 | 2023-08-29 | General Electric Company | Ice reduction mechanism for turbofan engine |
US11480063B1 (en) | 2021-09-27 | 2022-10-25 | General Electric Company | Gas turbine engine with inlet pre-swirl features |
US11788465B2 (en) | 2022-01-19 | 2023-10-17 | General Electric Company | Bleed flow assembly for a gas turbine engine |
US11808281B2 (en) | 2022-03-04 | 2023-11-07 | General Electric Company | Gas turbine engine with variable pitch inlet pre-swirl features |
US11725526B1 (en) | 2022-03-08 | 2023-08-15 | General Electric Company | Turbofan engine having nacelle with non-annular inlet |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1015270B (de) * | 1952-07-25 | 1957-09-05 | Alec David Young | Schalldaempfereinrichtung fuer Duesenstrahlgeraete, insbesondere Flugzeug-Strahltriebwerke |
DE1301341B (de) * | 1964-04-20 | 1969-08-21 | Bschorr | Schalldaempfer fuer Abgasstroeme, insbesondere von Duesentriebwerken |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2665083A (en) * | 1950-01-31 | 1954-01-05 | Willard R Custer | Jet-propelled channel aircraft |
US3153319A (en) * | 1952-07-25 | 1964-10-20 | Young Alec David | Jet noise suppression means |
US3161257A (en) * | 1959-05-01 | 1964-12-15 | Young Alec David | Jet pipe nozzle silencers |
GB1019857A (en) * | 1964-11-11 | 1966-02-09 | Rolls Royce | Jet propulsion nozzle assembly |
US3565208A (en) * | 1970-02-02 | 1971-02-23 | Rohr Corp | Retractable silencing shield for jet engine nozzle |
GB1371784A (en) * | 1970-11-30 | 1974-10-30 | Secr Defence | Noise suppressor for jet engines |
FR2242569B1 (ja) * | 1973-08-31 | 1976-06-18 | Snecma | |
US3964568A (en) * | 1974-09-06 | 1976-06-22 | General Electric Company | Gas turbine engine noise shield |
GB2104967B (en) * | 1981-09-03 | 1985-07-17 | Rolls Royce | Exhaust mixer for turbofan aeroengine |
GB2146702B (en) * | 1983-09-14 | 1987-12-23 | Rolls Royce | Exhaust mixer for turbofan aeroengine |
GB2160265A (en) * | 1984-06-12 | 1985-12-18 | Rolls Royce | Turbofan exhaust mixers |
US5127602B1 (en) * | 1989-11-21 | 1995-05-02 | Federal Express Corp | Noise reduction kit for jet turbine engines. |
GB2242236B (en) * | 1990-03-09 | 1994-10-26 | Sidney Patrick Taylor | Improvements in and relating to apparatus for use with aircraft jet engines |
GB2289921A (en) * | 1994-06-03 | 1995-12-06 | A E Harris Limited | Nozzle for turbofan aeroengines |
US5996936A (en) * | 1997-09-29 | 1999-12-07 | General Electric Company | Fluidic throat exhaust nozzle |
EP1076765B1 (de) * | 1999-03-05 | 2006-06-14 | Rolls-Royce Deutschland Ltd & Co KG | Blütenmischer für ein zweikreis-strahltriebwerk |
WO2002029232A1 (en) * | 2000-10-02 | 2002-04-11 | Rohr, Inc. | Apparatus, method and system for gas turbine engine noise reduction |
US7017331B2 (en) * | 2002-12-07 | 2006-03-28 | Anderson Jack H | Jet nozzle mixer |
US6854260B2 (en) * | 2001-12-07 | 2005-02-15 | Jack H. Anderson | Jet nozzle mixer |
DE60312817T2 (de) * | 2002-01-09 | 2008-01-24 | The Nordam Group, Inc., Tulsa | Turbofandüse und Geräuschminderungsverfahren in einer solchen Düse |
RU2237183C2 (ru) * | 2002-10-09 | 2004-09-27 | Кочетков Борис Федорович | Способ уменьшения шума от реактивного двигателя и устройство для его осуществления |
US6969028B2 (en) * | 2003-01-22 | 2005-11-29 | The Boeing Company | Scarf nozzle for a jet engine and method of using the same |
US6945031B2 (en) * | 2003-02-21 | 2005-09-20 | The Nordam Group, Inc. | Recessed engine nacelle |
US7581692B2 (en) * | 2003-06-30 | 2009-09-01 | General Electric Company | Fluidic chevrons and configurable thermal shield for jet noise reduction |
GB0315431D0 (en) | 2003-07-02 | 2003-08-06 | Rolls Royce Plc | Aircraft configuration |
FR2857416B1 (fr) * | 2003-07-09 | 2007-05-25 | Snecma Moteurs | Dispositif de reduction du bruit de jet d'une turbomachine |
US6971240B2 (en) * | 2004-03-30 | 2005-12-06 | General Electric Company | Methods and apparatus for exhausting gases from gas turbine engines |
US7377108B2 (en) * | 2004-04-09 | 2008-05-27 | The Boeing Company | Apparatus and method for reduction jet noise from single jets |
US7434384B2 (en) * | 2004-10-25 | 2008-10-14 | United Technologies Corporation | Fluid mixer with an integral fluid capture ducts forming auxiliary secondary chutes at the discharge end of said ducts |
-
2006
- 2006-06-21 FR FR0605546A patent/FR2902758B1/fr not_active Expired - Fee Related
-
2007
- 2007-06-13 BR BRPI0712637-9A patent/BRPI0712637A2/pt not_active IP Right Cessation
- 2007-06-13 CA CA002655601A patent/CA2655601A1/fr not_active Abandoned
- 2007-06-13 RU RU2009101771/06A patent/RU2445488C2/ru not_active IP Right Cessation
- 2007-06-13 US US12/305,558 patent/US20090277181A1/en not_active Abandoned
- 2007-06-13 CN CN2007800234178A patent/CN101517219B/zh not_active Expired - Fee Related
- 2007-06-13 EP EP07789000.2A patent/EP2029879B1/fr not_active Not-in-force
- 2007-06-13 JP JP2009515926A patent/JP5058252B2/ja not_active Expired - Fee Related
- 2007-06-13 WO PCT/FR2007/051434 patent/WO2007148001A1/fr active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1015270B (de) * | 1952-07-25 | 1957-09-05 | Alec David Young | Schalldaempfereinrichtung fuer Duesenstrahlgeraete, insbesondere Flugzeug-Strahltriebwerke |
DE1301341B (de) * | 1964-04-20 | 1969-08-21 | Bschorr | Schalldaempfer fuer Abgasstroeme, insbesondere von Duesentriebwerken |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012145001A (ja) * | 2011-01-07 | 2012-08-02 | Ihi Corp | エンジン排気ノズル及び航空機エンジン |
Also Published As
Publication number | Publication date |
---|---|
EP2029879B1 (fr) | 2016-08-10 |
FR2902758A1 (fr) | 2007-12-28 |
WO2007148001A1 (fr) | 2007-12-27 |
RU2009101771A (ru) | 2010-07-27 |
JP5058252B2 (ja) | 2012-10-24 |
BRPI0712637A2 (pt) | 2012-05-29 |
EP2029879A1 (fr) | 2009-03-04 |
FR2902758B1 (fr) | 2009-04-10 |
CA2655601A1 (fr) | 2007-12-27 |
CN101517219B (zh) | 2011-06-01 |
US20090277181A1 (en) | 2009-11-12 |
CN101517219A (zh) | 2009-08-26 |
RU2445488C2 (ru) | 2012-03-20 |
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