JP2011525959A - 双対タブ排気ノズル - Google Patents
双対タブ排気ノズル Download PDFInfo
- Publication number
- JP2011525959A JP2011525959A JP2011516357A JP2011516357A JP2011525959A JP 2011525959 A JP2011525959 A JP 2011525959A JP 2011516357 A JP2011516357 A JP 2011516357A JP 2011516357 A JP2011516357 A JP 2011516357A JP 2011525959 A JP2011525959 A JP 2011525959A
- Authority
- JP
- Japan
- Prior art keywords
- tabs
- dual
- nozzle
- nozzle according
- tab
- 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.)
- Granted
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 103
- 230000004323 axial length Effects 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 description 17
- 239000003570 air Substances 0.000 description 8
- 239000000567 combustion gas Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
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
-
- 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
-
- 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)
- Jet Pumps And Other Pumps (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Pipe Accessories (AREA)
- Exhaust Silencers (AREA)
Abstract
【選択図】図1
Description
Claims (32)
- 径方向及び周方向の複合した後部傾斜を有する双対タブ(58、60)の列を含む、環状出口(46、56)で終端する円錐形ダクト(38、48)を備える、排気ノズル(24、28)。
- 前記双対タブ(58、60)は周方向に離隔して配置され、各対のタブは隣接するタブ(58、60)の間の周方向に共通の中心スロット(62)を有する、請求項1に記載のノズル。
- 前記ダクト(38、48)は、前記出口(46、56)を囲む環状の後縁部(44、54)で終端し、前記双対タブ(58、60)は、径方向と周方向の両方で前記後縁部(44、54)の方向に傾斜する、請求項2に記載のノズル。
- 各双対タブ(58、60)は、前記出口(46、56)に沿って周方向に傾斜した底面(64)を含み、前記底面(64)から径方向後方に前記タブ(58、60)の頂点(66)へと傾斜する、請求項3に記載のノズル。
- 前記双対タブ(58、60)は前記共通のスロット(62)に対して対称である、請求項4に記載のノズル。
- 前記双対タブ(60)は、前記共通のスロット(62)から前記後縁部(54)に向かって周方向に散開する、請求項4に記載のノズル。
- 前記双対タブ(58)は、前記後縁部(44)で前記共通のスロット(62)に向かって周方向に収束する、請求項4に記載のノズル。
- 前記双対タブ(58、60)は前記出口(46、56)内に径方向に延びる、請求項4に記載のノズル。
- 前記双対タブ(58、60)は前記出口(46、56)の外側に径方向に延びる、請求項4に記載のノズル。
- 前記双対タブ(58、60)及びその共通のスロット(62)は三角形である、請求項4に記載のノズル。
- 排気流(34、36)を排出するために出口(46、56)を囲む後縁部(44、54)で終端する径方向内側及び外側の表皮(40、42、50、52)を有する円錐形の排気ダクト(38、48)と、
間に共通のスロット(62)を有し、前記後縁部(44、54)の周囲の前記出口(46、56)で径方向に延びる隣接する双対タブ(58、60)の列と、を備える排気ノズル(24、28)。 - 前記双対タブ(58、60)は対で配置され、各対は集合的なタブ幅を有し、前記タブ対は前記タブ幅よりも広い間隔で互いに周方向に離隔される、請求項11に記載のノズル。
- 前記双対タブ(58、60)は前記出口(46、56)に向かって径方向後方と、前記後縁部(44、54)から周方向前方の両方に傾斜する、請求項12に記載のノズル。
- 各双対タブ(58、60)は前記後縁部(44、54)から前方に周方向に傾斜する底面(64)と、前記底面(64)から径方向に離隔した頂点(66)とを含む、請求項13に記載のノズル。
- 前記各双対タブ(58、60)は三角形であり、これを越えて流れる渦流を発生する傾斜三角翼を画定し、間にある前記共通のスロット(62)も三角形であり、前記タブ底面(64)の共通の接合部から外側に延びる、請求項14に記載のノズル。
- 前記双対タブ(58、60)は、間にある前記共通のスロット(62)に対して対称である、請求項14に記載のノズル。
- 前記双対タブ(60)は前記共通のスロット(62)から前記後縁部(54)に向かって周方向に散開する、請求項14に記載のノズル。
- 前記双対タブ(58)は前記後縁部(44)で前記共通のスロット(62)に向かって周方向に収束する、請求項14に記載のノズル。
- 前記双対タブ(60)は前記底面(64)で互いに直角である、請求項14に記載のノズル。
- 前記双対タブ(60)は前記底面(64)で互いに鋭角をなす、請求項14に記載のノズル。
- 前記傾斜底面(64)は各対のタブ(58、60)内の共通ポイントで互いに交差する、請求項14に記載のノズル。
- 前記傾斜底面(64)は各対のタブ(58、60)内で互いの方向に収束し、前記共通のスロット(62)で離隔状態に留まる、請求項14に記載のノズル。
- 前記双対タブ(58、60)は共通の軸長を有し、その集合的な幅は前記長さの2倍である、請求項14に記載のノズル。
- 前記双対タブ(58、60)は前記後縁部(44、54)で終端する、請求項14に記載のノズル。
- 前記双対タブ(70、72)は前記後縁部(44、54)の軸方向前方で終端する、請求項14に記載のノズル。
- 前記双対タブ(74)は前記後縁部(44)の軸方向後方で終端する、請求項14に記載のノズル。
- 前記双対タブ(58、60)は前記ノズル出口(46、56)の周囲で対応する対ごとに等角度離隔される、請求項14に記載のノズル。
- 前記双対タブ(58、60)は前記底面(64)から前記頂点(66)へと収束する、請求項14に記載のノズル。
- 前記双対タブ(70)は前記頂点(66)で頭部が切り取られる、請求項14に記載のノズル。
- 前記双対タブ(58、60)は、前記排気出口(46、56)の内側で前記内側表皮(40、50)から径方向内側に延びる、請求項14に記載のノズル。
- 前記双対タブ(70、72)は、前記排気出口(46、56)の外側で前記外側表皮(42、52)から径方向外側に延びる、請求項14に記載のノズル。
- 前記排気ダクト(38、48)は、その内部に同心に配置され、前記排気出口(46、56)を径方向内側に界接する中心体(76、22)を含み、前記双対タブ(74)は前記出口(46、56)の内側で前記中心体(76、22)から径方向外側に延びる、請求項14に記載のノズル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/146,510 | 2008-06-26 | ||
US12/146,510 US8087250B2 (en) | 2008-06-26 | 2008-06-26 | Duplex tab exhaust nozzle |
PCT/US2009/041239 WO2010011381A1 (en) | 2008-06-26 | 2009-04-21 | Duplex tab exhaust nozzle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011525959A true JP2011525959A (ja) | 2011-09-29 |
JP5492199B2 JP5492199B2 (ja) | 2014-05-14 |
Family
ID=41328741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011516357A Expired - Fee Related JP5492199B2 (ja) | 2008-06-26 | 2009-04-21 | 双対タブ排気ノズル |
Country Status (6)
Country | Link |
---|---|
US (1) | US8087250B2 (ja) |
JP (1) | JP5492199B2 (ja) |
CA (1) | CA2728527C (ja) |
DE (1) | DE112009001558T5 (ja) |
GB (1) | GB2474377B (ja) |
WO (1) | WO2010011381A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7726116B2 (en) * | 2006-11-14 | 2010-06-01 | General Electric Company | Turbofan engine nozzle assembly and method of operating same |
US9739296B2 (en) * | 2008-09-25 | 2017-08-22 | Parafluidics Llc | Channeling fluidic waveguide surfaces and tubes |
FR2945838B1 (fr) * | 2009-05-20 | 2014-06-13 | Snecma | Capot pour tuyere de turbomachine muni de motifs a ailettes laterales pour reduire le bruit de jet. |
EP2557304B1 (en) | 2010-04-09 | 2015-10-14 | IHI Corporation | Jet flow nozzle |
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 |
US8881500B2 (en) * | 2010-08-31 | 2014-11-11 | General Electric Company | Duplex tab obstacles for enhancement of deflagration-to-detonation transition |
WO2012101466A1 (es) * | 2011-01-27 | 2012-08-02 | Bohorquez John | Sistema de transformación de películas de polímeros plásticos y de papeles con y sin adhesivos y siliconas a compuestos plásticos por medio de una máquina vórtex |
US9429071B2 (en) | 2011-06-23 | 2016-08-30 | Continuum Dynamics, Inc. | Supersonic engine inlet diffuser with deployable vortex generators |
US20130087632A1 (en) * | 2011-10-11 | 2013-04-11 | Patrick Germain | Gas turbine engine exhaust ejector nozzle with de-swirl cascade |
US9416752B2 (en) * | 2012-02-28 | 2016-08-16 | Pratt & Whitney Canada Corp. | Gas turbine exhaust having reduced jet noise |
DE102012219541A1 (de) * | 2012-10-25 | 2014-04-30 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Düse, Strukturelement und Verfahren zur Herstellung einer Düse |
US9970386B2 (en) | 2013-06-07 | 2018-05-15 | United Technologies Corporation | Exhaust stream mixer |
CN104728038B (zh) * | 2015-01-20 | 2017-11-17 | 河海大学 | 一种水平轴风力机的自调节增强型涡流发生装置 |
JP2016217355A (ja) | 2015-05-22 | 2016-12-22 | ゼネラル・エレクトリック・カンパニイ | 流れ混合ローブを含むターボ機械ディフューザ及びその方法 |
US20170122255A1 (en) * | 2015-10-28 | 2017-05-04 | Pratt & Whitney Canada Corp. | Chevron system for gas turbine engine |
GB2568109B (en) * | 2017-11-07 | 2021-06-09 | Gkn Aerospace Sweden Ab | Splitter vane |
US11268390B2 (en) * | 2018-07-19 | 2022-03-08 | Sikorsky Aircraft Corporation | Vortex generators for turbine engine exhaust |
WO2022140040A2 (en) * | 2020-12-03 | 2022-06-30 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Methods and apparatuses for reducing engine noise |
US20240229740A1 (en) * | 2023-01-10 | 2024-07-11 | Pratt & Whitney Canada Corp. | Exhaust mixer with protrusions |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298089A (en) * | 1976-12-23 | 1981-11-03 | The Boeing Company | Vortex generators for internal mixing in a turbofan engine |
JPS57108442A (en) * | 1980-08-15 | 1982-07-06 | Rolls Royce | Exhaust flow mixer and nozzle |
JPS5848758A (ja) * | 1981-09-03 | 1983-03-22 | ロ−ルス・ロイス・ピ−エルシ− | 航空エンジン用排気ミキサ |
US4576002A (en) * | 1983-09-14 | 1986-03-18 | Rolls-Royce Limited | Exhaust mixer for turbofan aeroengine |
JP2000145475A (ja) * | 1998-11-06 | 2000-05-26 | United Technol Corp <Utc> | ガスタ―ビンエンジンのジェット騒音サプレッサ |
JP2002180903A (ja) * | 2000-08-31 | 2002-06-26 | General Electric Co <Ge> | 短形状翼形部排気ノズル |
JP2003172205A (ja) * | 2001-12-07 | 2003-06-20 | Ishikawajima Harima Heavy Ind Co Ltd | ジェット噴流用ミキサ |
US20050138915A1 (en) * | 2003-05-28 | 2005-06-30 | Snecma Moteurs | Turbomachine nozzle with noise reduction |
JP2006029328A (ja) * | 2004-07-13 | 2006-02-02 | Snecma Moteurs | ジェットノイズを低減するためのターボ機械ノズルカバー |
US20080047273A1 (en) * | 2006-06-26 | 2008-02-28 | Snecma | Turbomachine nozzle cover provided with triangular patterns having pairs of vertices for reducing jet noise |
JP2008144764A (ja) * | 2006-12-06 | 2008-06-26 | Boeing Co:The | 航空機エンジンノズルの流体のパッシブ誘導システムおよび方法 |
JP2008286187A (ja) * | 2007-05-21 | 2008-11-27 | General Electric Co <Ge> | 溝付きシェブロン排出ノズル |
JP2010518323A (ja) * | 2007-02-14 | 2010-05-27 | ザ・ボーイング・カンパニー | ジェットエンジンの排気騒音を削減するシステム及び方法 |
Family Cites Families (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3153319A (en) | 1952-07-25 | 1964-10-20 | Young Alec David | Jet noise suppression means |
US2930185A (en) | 1954-12-13 | 1960-03-29 | United Aircraft Corp | Exhaust noise silencer |
US2998092A (en) | 1956-10-18 | 1961-08-29 | Rolls Royce | Jet propulsion nozzle with noise reducing means |
GB889688A (en) | 1957-05-06 | 1962-02-21 | Bristol Siddeley Engines Ltd | Improvements in or relating to corrugated nozzles |
US2956400A (en) | 1957-06-05 | 1960-10-18 | Curtiss Wright Corp | Internal-ribbed exhaust nozzle for jet propulsion devices |
GB838617A (en) | 1957-09-02 | 1960-06-22 | Rolls Royce | Improved jet noise suppressor nozzle |
US3065818A (en) | 1957-09-14 | 1962-11-27 | Rolls Royce | Jet noise suppressor nozzle |
US3060681A (en) | 1958-03-13 | 1962-10-30 | Rolls Royce | Jet propulsion engine with adjustable nozzle |
US3215172A (en) | 1962-12-24 | 1965-11-02 | Nilsson Robbins & Anderson | Jet engine noise suppressor with shroud for aspiration of air into exhaust stream |
US3347466A (en) | 1966-11-15 | 1967-10-17 | Mark R Nichols | Nacelle afterbody for jet engines |
US3455413A (en) | 1967-08-22 | 1969-07-15 | Jack C Henley | Ultrasonic silencer for jet engines |
SE320225B (ja) | 1968-06-17 | 1970-02-02 | Svenska Flygmotorer Ab | |
US3568792A (en) | 1969-06-18 | 1971-03-09 | Rohr Corp | Sound-suppressing and thrust-reversing apparatus |
US3613996A (en) | 1969-07-03 | 1971-10-19 | Rohr Corp | Ejector with suppressor chutes |
FR2241695B1 (ja) | 1973-08-21 | 1978-03-17 | Bertin & Cie | |
US4175640A (en) * | 1975-03-31 | 1979-11-27 | Boeing Commercial Airplane Company | Vortex generators for internal mixing in a turbofan engine |
US3982696A (en) | 1975-07-01 | 1976-09-28 | Grumman American Aviation Corporation | Jet noise suppressor nozzle |
US4217756A (en) | 1977-12-27 | 1980-08-19 | Boeing Commercial Airplane Company | Vortex mixers for reducing the noise emitted by jet engines |
US4214703A (en) | 1979-03-23 | 1980-07-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Aircraft engine nozzle |
US4284170A (en) | 1979-10-22 | 1981-08-18 | United Technologies Corporation | Gas turbine noise suppressor |
US4302934A (en) | 1979-11-01 | 1981-12-01 | United Technologies Corporation | Lobed mixer/inverter |
US4401269A (en) | 1980-09-26 | 1983-08-30 | United Technologies Corporation | Lobe mixer for gas turbine engine |
US4422524A (en) | 1982-03-22 | 1983-12-27 | Lockheed Corporation | Variable shape, fluid flow nozzle for sound suppression |
US4754924A (en) | 1987-04-03 | 1988-07-05 | Shannon Aubrey J | Variable geometry nozzle |
GB2207468A (en) | 1987-06-01 | 1989-02-01 | Secr Defence | Vortex silencing in gas turbine engines |
US5269139A (en) | 1991-06-28 | 1993-12-14 | The Boeing Company | Jet engine with noise suppressing mixing and exhaust sections |
US5402963A (en) | 1992-09-15 | 1995-04-04 | General Electric Company | Acoustically shielded exhaust system for high thrust jet engines |
DE59401018D1 (de) | 1993-04-08 | 1996-12-19 | Abb Management Ag | Mischkammer |
GB2289921A (en) | 1994-06-03 | 1995-12-06 | A E Harris Limited | Nozzle for turbofan aeroengines |
US5771681A (en) | 1996-09-17 | 1998-06-30 | The Boeing Company | Aircraft turbofan engine mixing apparatus |
US5908159A (en) | 1997-02-24 | 1999-06-01 | The Boeing Company | Aircraft chute ejector nozzle |
US6360528B1 (en) | 1997-10-31 | 2002-03-26 | General Electric Company | Chevron exhaust nozzle for a gas turbine engine |
US6612016B1 (en) * | 1997-12-18 | 2003-09-02 | Hutchinson Technology Incorporated | Method of making integrated lead suspension flexure with balanced parallel leads for insulator layer hygrothermal compensation |
US6314721B1 (en) | 1998-09-04 | 2001-11-13 | United Technologies Corporation | Tabbed nozzle for jet noise suppression |
US6612106B2 (en) | 2000-05-05 | 2003-09-02 | The Boeing Company | Segmented mixing device having chevrons for exhaust noise reduction in jet engines |
US6532729B2 (en) | 2001-05-31 | 2003-03-18 | General Electric Company | Shelf truncated chevron exhaust nozzle for reduction of exhaust noise and infrared (IR) signature |
US7284170B2 (en) * | 2004-01-05 | 2007-10-16 | Texas Instruments Incorporated | JTAG circuit transferring data between devices on TMS terminals |
US7093423B2 (en) | 2004-01-20 | 2006-08-22 | General Electric Company | Methods and apparatus for operating gas turbine engines |
US7305817B2 (en) | 2004-02-09 | 2007-12-11 | General Electric Company | Sinuous chevron exhaust nozzle |
US20060059891A1 (en) | 2004-09-23 | 2006-03-23 | Honeywell International, Inc. | Quiet chevron/tab exhaust eductor system |
GB0505246D0 (en) * | 2005-03-15 | 2005-04-20 | Rolls Royce Plc | Engine noise |
EP1894616A1 (en) | 2006-08-30 | 2008-03-05 | Fachhochschule Zentralschweiz | Static mixing device |
JP4830836B2 (ja) | 2006-12-18 | 2011-12-07 | 株式会社Ihi | ジェット噴流排気ノズル及びジェットエンジン |
DE102007063018A1 (de) | 2007-12-21 | 2009-06-25 | Rolls-Royce Deutschland Ltd & Co Kg | Düse mit Leitelementen |
-
2008
- 2008-06-26 US US12/146,510 patent/US8087250B2/en active Active
-
2009
- 2009-04-21 DE DE112009001558T patent/DE112009001558T5/de not_active Withdrawn
- 2009-04-21 CA CA2728527A patent/CA2728527C/en not_active Expired - Fee Related
- 2009-04-21 GB GB1021173.8A patent/GB2474377B/en not_active Expired - Fee Related
- 2009-04-21 WO PCT/US2009/041239 patent/WO2010011381A1/en active Application Filing
- 2009-04-21 JP JP2011516357A patent/JP5492199B2/ja not_active Expired - Fee Related
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298089A (en) * | 1976-12-23 | 1981-11-03 | The Boeing Company | Vortex generators for internal mixing in a turbofan engine |
JPS57108442A (en) * | 1980-08-15 | 1982-07-06 | Rolls Royce | Exhaust flow mixer and nozzle |
JPS5848758A (ja) * | 1981-09-03 | 1983-03-22 | ロ−ルス・ロイス・ピ−エルシ− | 航空エンジン用排気ミキサ |
US4576002A (en) * | 1983-09-14 | 1986-03-18 | Rolls-Royce Limited | Exhaust mixer for turbofan aeroengine |
JP2000145475A (ja) * | 1998-11-06 | 2000-05-26 | United Technol Corp <Utc> | ガスタ―ビンエンジンのジェット騒音サプレッサ |
JP2002180903A (ja) * | 2000-08-31 | 2002-06-26 | General Electric Co <Ge> | 短形状翼形部排気ノズル |
JP2003172205A (ja) * | 2001-12-07 | 2003-06-20 | Ishikawajima Harima Heavy Ind Co Ltd | ジェット噴流用ミキサ |
US20050138915A1 (en) * | 2003-05-28 | 2005-06-30 | Snecma Moteurs | Turbomachine nozzle with noise reduction |
JP2006029328A (ja) * | 2004-07-13 | 2006-02-02 | Snecma Moteurs | ジェットノイズを低減するためのターボ機械ノズルカバー |
US20080047273A1 (en) * | 2006-06-26 | 2008-02-28 | Snecma | Turbomachine nozzle cover provided with triangular patterns having pairs of vertices for reducing jet noise |
JP2008144764A (ja) * | 2006-12-06 | 2008-06-26 | Boeing Co:The | 航空機エンジンノズルの流体のパッシブ誘導システムおよび方法 |
JP2010518323A (ja) * | 2007-02-14 | 2010-05-27 | ザ・ボーイング・カンパニー | ジェットエンジンの排気騒音を削減するシステム及び方法 |
JP2008286187A (ja) * | 2007-05-21 | 2008-11-27 | General Electric Co <Ge> | 溝付きシェブロン排出ノズル |
Also Published As
Publication number | Publication date |
---|---|
GB2474377A (en) | 2011-04-13 |
WO2010011381A1 (en) | 2010-01-28 |
US8087250B2 (en) | 2012-01-03 |
US20090320486A1 (en) | 2009-12-31 |
JP5492199B2 (ja) | 2014-05-14 |
GB2474377B (en) | 2012-02-29 |
CA2728527C (en) | 2014-06-03 |
DE112009001558T5 (de) | 2011-04-28 |
CA2728527A1 (en) | 2010-01-28 |
GB201021173D0 (en) | 2011-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5492199B2 (ja) | 双対タブ排気ノズル | |
US6532729B2 (en) | Shelf truncated chevron exhaust nozzle for reduction of exhaust noise and infrared (IR) signature | |
US6502383B1 (en) | Stub airfoil exhaust nozzle | |
US7963099B2 (en) | Fluted chevron exhaust nozzle | |
JP4293573B2 (ja) | シェヴロン排気ノズル | |
US7246481B2 (en) | Methods and apparatus for operating gas turbine engines | |
RU2433290C2 (ru) | Узел вентилятора на лопасти, а также турбовентиляторный газотурбинный двигатель | |
JP4619089B2 (ja) | 固定ジオメトリ入口を備えたfladeガスタービンエンジン | |
JP2000080958A (ja) | ジェット騒音低減用のタブ付きノズル | |
JP2010053866A (ja) | 可変傾斜排出ノズル | |
US10035582B2 (en) | Propeller blade for a turbomachine | |
JP2017096279A (ja) | ジェットエンジン排気用圧縮カウル | |
CN109028148A (zh) | 具有流体二极管结构的旋转爆震燃烧器 | |
CA2805833C (en) | Jet noise reduction using eduction effect | |
CA1263242A (en) | Gas turbine outlet arrangement | |
EP2587037A2 (en) | Turbofan engine mixer assembly | |
JP3012661B2 (ja) | ダクテッドファン・ガスタービンエンジンおよびファン | |
CN111075760A (zh) | 流体翼 | |
US11920539B1 (en) | Gas turbine exhaust nozzle noise abatement | |
Gutmark | Duplex tab exhaust nozzle | |
GB2448320A (en) | Aircraft engine variable area nozzle having expandable rear section |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120308 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130301 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130514 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130805 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131015 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140109 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140204 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140228 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5492199 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |