JP5613037B2 - 遠心型空気流制御装置 - Google Patents
遠心型空気流制御装置 Download PDFInfo
- Publication number
- JP5613037B2 JP5613037B2 JP2010277639A JP2010277639A JP5613037B2 JP 5613037 B2 JP5613037 B2 JP 5613037B2 JP 2010277639 A JP2010277639 A JP 2010277639A JP 2010277639 A JP2010277639 A JP 2010277639A JP 5613037 B2 JP5613037 B2 JP 5613037B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- air
- slots
- tip
- air inlet
- 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 - Fee Related
Links
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 44
- 238000000926 separation method Methods 0.000 description 9
- 230000004907 flux Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/18—Aerodynamic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
- B64C21/02—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
- B64C21/025—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like for simultaneous blowing and sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/467—Aerodynamic features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/684—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid injection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/28—Boundary layer controls at propeller or rotor blades
-
- 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
- Y02T50/10—Drag reduction
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/914—Device to control boundary layer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
本願と同時に出願され、出願人が所有する特許出願(明細書R−4128号、R−4237号およびR−4239号)は、本願で開示および請求された内容を含む。
37,38…ブレード
39…ハブ
42…低圧圧縮機
47,48…空気流入口スロット
50,51…空気流路
54,55…空気出口スロット
Claims (7)
- 空気バイパス導管を備えた軸流型ガスタービンエンジンのファンの一部であるブレードであって、
ハブ、前縁、先端部、ルート部、圧力面および吸込面を備え、
前記ブレードのルート部の近傍、かつ前記ブレードの後縁の近傍で、前記ブレードの表面を通して延びる空気流入口と、
前記ハブまでの距離よりも前記先端部までの距離の方が小さくなるように、前記ブレードの表面を通って延びた1つもしくは複数のスロットと、
前記ブレードの内部で前記空気流入口から前記の1つもしくは複数のスロットまで延びたプレナムと、を備えており、前記ブレードが回転すると、空気が、前記空気流入口内部へと促され、遠心力によって前記プレナムに沿って流され、前記の1つもしくは複数のスロットから流出して、前記ブレードに隣接した空気流に流入され、
前記の1つもしくは複数のスロットが、前記ブレードの先端部に沿って前記圧力面を通って延びていることを特徴とするブレード。 - 前記の1つもしくは複数のスロットは、前記ブレードの境界層が剥離する位置の近傍に配置されていることを特徴とする請求項1記載のブレード。
- 前記スロットは、空気を、ほぼ接線方向に境界層へと流入させるものであることを特徴とする請求項1記載のブレード。
- 前記スロットが、前記ブレードの翼弦長の半分の位置の(a)近傍もしくは(b)下流側に配置されていることを特徴とする請求項1記載のブレード。
- 空気バイパス導管およびコアを備えた軸流型ガスタービンエンジンのファンの一部であるブレードであって、
ハブ、前縁、先端部、ルート部、圧力面および吸込面を備え、
前記コアの空気流入口に隣接した前記ブレードの後縁の近傍で前記ブレードの表面を通して延びる空気流入口であって、ファンブレードの後流による閉塞を抑制することによりコアの流量容量を増大させる、空気流入口と、
前記ハブまでの距離よりも前記先端部までの距離の方が小さくなるように、前記ブレードの表面を通って延びた1つもしくは複数のスロットと、
前記ブレードの内部で前記空気流入口から前記の1つもしくは複数のスロットまで延びたプレナムと、を備えており、前記ブレードが回転すると、空気が、前記空気流入口内部へと促され、遠心力によって前記プレナムに沿って流され、前記の1つもしくは複数のスロットから流出して、前記ブレードに隣接した空気流に流入され、
前記の1つもしくは複数のスロットが、前記ブレードの先端部に沿って前記圧力面を通って延びていることを特徴とするブレード。 - 前記空気流入口が、前記ブレードの前記吸込面を通って延びていることを特徴とする請求項5記載のブレード。
- 前記の1つもしくは複数のスロットが、前記ブレードの先端部の近傍に配置されていることを特徴とする請求項5記載のブレード。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/257,483 | 1999-02-25 | ||
US09/257,483 US6203269B1 (en) | 1999-02-25 | 1999-02-25 | Centrifugal air flow control |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000601338A Division JP4694696B2 (ja) | 1999-02-25 | 2000-02-25 | 遠心型空気流制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011102588A JP2011102588A (ja) | 2011-05-26 |
JP5613037B2 true JP5613037B2 (ja) | 2014-10-22 |
Family
ID=22976484
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000601338A Expired - Fee Related JP4694696B2 (ja) | 1999-02-25 | 2000-02-25 | 遠心型空気流制御装置 |
JP2010277639A Expired - Fee Related JP5613037B2 (ja) | 1999-02-25 | 2010-12-14 | 遠心型空気流制御装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000601338A Expired - Fee Related JP4694696B2 (ja) | 1999-02-25 | 2000-02-25 | 遠心型空気流制御装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6203269B1 (ja) |
EP (1) | EP1159533B1 (ja) |
JP (2) | JP4694696B2 (ja) |
AU (1) | AU3504300A (ja) |
CA (1) | CA2364321C (ja) |
DE (1) | DE60006790T2 (ja) |
WO (1) | WO2000050779A1 (ja) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001049975A1 (en) * | 2000-01-06 | 2001-07-12 | Damping Technologies, Inc. | Turbine engine damper |
US6334753B1 (en) * | 2000-07-31 | 2002-01-01 | United Technologies Corporation | Streamlined bodies with counter-flow fluid injection |
US6647707B2 (en) * | 2000-09-05 | 2003-11-18 | Sudarshan Paul Dev | Nested core gas turbine engine |
US20060225404A1 (en) * | 2001-09-05 | 2006-10-12 | Dev Sudarshan P | Vertical or short take off and landing vehicle |
US20030150962A1 (en) * | 2002-02-12 | 2003-08-14 | Bela Orban | Method for controlling and delaying the separation of flow from a solid surface by suction coupling (controlling separation by suction coupling, CSSC) |
US6869049B2 (en) * | 2002-07-24 | 2005-03-22 | General Electric Company | Method and apparatus for modulating flow separation |
US7074006B1 (en) | 2002-10-08 | 2006-07-11 | The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Endwall treatment and method for gas turbine |
FR2846382B1 (fr) * | 2003-02-12 | 2006-01-13 | Georges Boulisset | Dispositif pour ameliorer le rendement des pales d'eolienne |
US6948906B2 (en) * | 2003-04-02 | 2005-09-27 | University Of Maryland | Rotor blade system with reduced blade-vortex interaction noise |
DE10355241A1 (de) * | 2003-11-26 | 2005-06-30 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Fluidzufuhr |
RU2267657C2 (ru) * | 2003-12-08 | 2006-01-10 | Илья Львович Щукин | Способ повышения эффективности работы лопасти (варианты) |
US8016244B2 (en) * | 2004-02-20 | 2011-09-13 | The Boeing Company | Active systems and methods for controlling an airfoil vortex |
DE102005047016A1 (de) * | 2005-09-30 | 2007-04-05 | Mtu Aero Engines Gmbh | Laufschaufel für eine axiale Turbomaschine |
US7354247B2 (en) | 2005-10-27 | 2008-04-08 | General Electric Company | Blade for a rotor of a wind energy turbine |
US7415876B2 (en) * | 2005-11-29 | 2008-08-26 | Hubbard Jr James E | Pressure sensor system |
FR2893993B1 (fr) * | 2005-11-30 | 2008-01-18 | Snecma Sa | Procede de reduction de bruit d'une soufflante de turbomachine, dispositif silencieux pour la mise en oeuvre de ce procede, aube de soufflante et soufflante dotees d'un tel dispositif silencieux, et turbomachine les comportant |
DE102006028167A1 (de) * | 2006-06-16 | 2007-12-20 | Daubner & Stommel Gbr Bau-Werk-Planung | Verfahren zum Betreiben einer zumindest einen fluiddynamischen Auftriebskörper aufweisenden Vorrichtung, insbesondere einer Windenergieanlage |
US7721844B1 (en) | 2006-10-13 | 2010-05-25 | Damping Technologies, Inc. | Vibration damping apparatus for windows using viscoelastic damping materials |
US8082707B1 (en) | 2006-10-13 | 2011-12-27 | Damping Technologies, Inc. | Air-film vibration damping apparatus for windows |
CN100523437C (zh) * | 2007-10-09 | 2009-08-05 | 南京航空航天大学 | 自备动力吸附式风扇/压气机 |
US8052388B2 (en) * | 2007-11-29 | 2011-11-08 | United Technologies Corporation | Gas turbine engine systems involving mechanically alterable vane throat areas |
US8210798B2 (en) | 2008-02-13 | 2012-07-03 | United Technologies Corporation | Cooled pusher propeller system |
KR100977884B1 (ko) * | 2008-03-25 | 2010-08-25 | 한국항공우주연구원 | 보텍스 링 감소를 위한 로터 블레이드 |
CA2731151C (en) * | 2008-07-25 | 2015-11-24 | Hatch Ltd. | Apparatus for stabilization and deceleration of supersonic flow incorporating a diverging nozzle and perforated plate |
GB0914591D0 (en) * | 2009-08-21 | 2009-09-30 | Rolls Royce Plc | Fluidfoil tip vortex disruption |
US20110211950A1 (en) * | 2009-11-12 | 2011-09-01 | Remco International, Inc. | Method of dynamic energy-saving superconductive propeller interaction with a fluid medium |
US20110150665A1 (en) * | 2009-12-22 | 2011-06-23 | Nissan Technical Center North America, Inc. | Fan assembly |
US20110293421A1 (en) * | 2010-05-28 | 2011-12-01 | Lockheed Martin Corporation | Rotor blade having passive bleed path |
DE102010041111A1 (de) * | 2010-09-21 | 2012-03-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Rotorblatt mit integrierter passiver Oberflächenklappe |
US8267653B2 (en) * | 2010-12-21 | 2012-09-18 | General Electric Company | System and method of operating an active flow control system to manipulate a boundary layer across a rotor blade of a wind turbine |
US20120020803A1 (en) * | 2011-02-14 | 2012-01-26 | Paul Lees | Turbine blades, systems and methods |
US9133819B2 (en) | 2011-07-18 | 2015-09-15 | Kohana Technologies Inc. | Turbine blades and systems with forward blowing slots |
US9090343B2 (en) * | 2011-10-13 | 2015-07-28 | Sikorsky Aircraft Corporation | Rotor blade component cooling |
RU2482337C1 (ru) * | 2011-11-29 | 2013-05-20 | Общество с ограниченной ответственностью "Вентиляция Экология Безопасность" (ООО "ВЭБ") | Способ повышения давления и экономичности лопастных турбомашин |
CN102589837B (zh) * | 2012-02-09 | 2016-05-18 | 朱晓义 | 大流体压力风洞 |
CN102562361B (zh) * | 2012-02-10 | 2015-07-22 | 朱晓义 | 涡轮喷气发动机 |
US9505492B2 (en) * | 2012-02-23 | 2016-11-29 | Sikorsky Aircraft Corporation | Mission adaptive rotor blade |
US9120567B2 (en) * | 2012-06-11 | 2015-09-01 | Sikorsky Aircraft Corporation | High speed compound rotary wing aircraft |
US10280757B2 (en) * | 2013-10-31 | 2019-05-07 | United Technologies Corporation | Gas turbine engine airfoil with auxiliary flow channel |
CN104176241B (zh) * | 2014-08-07 | 2015-05-06 | 西北工业大学 | 一种高空螺旋桨协同射流高效气动布局构型 |
CN104149969B (zh) * | 2014-08-26 | 2015-06-10 | 西北工业大学 | 一种可实现内部协同射流的螺旋桨布局构型 |
US9645120B2 (en) | 2014-09-04 | 2017-05-09 | Grant Nash | Method and apparatus for reducing noise transmission through a window |
US10538313B2 (en) | 2014-11-24 | 2020-01-21 | Sikorsky Aircraft Corporation | Active flow control system |
US10647420B2 (en) * | 2014-12-19 | 2020-05-12 | Sikorsky Aircraft Corporation | Aircraft rotor blade with reduced stress |
US20180281938A1 (en) * | 2015-01-22 | 2018-10-04 | Sikorsky Aircraft Corporation | Low noise rotor blade design |
US10302064B2 (en) * | 2015-07-30 | 2019-05-28 | The Boeing Company | Methods and systems for rotary wing active flow control |
WO2017048683A1 (en) * | 2015-09-17 | 2017-03-23 | Sikorsky Aircraft Corporation | Stress reducing holes |
WO2017123294A1 (en) * | 2015-10-17 | 2017-07-20 | Sikorsky Aircraft Corporation | Reduced blade vortex interaction |
CN118083115A (zh) * | 2017-08-10 | 2024-05-28 | 保罗·奈瑟 | 用于流体操纵的装置和方法 |
JP7329057B2 (ja) * | 2018-10-22 | 2023-08-17 | ネイサー、ポール | 流体操作のためのシステムおよび方法 |
US11001389B2 (en) * | 2018-11-29 | 2021-05-11 | General Electric Company | Propulsion engine thermal management system |
CN115023394A (zh) * | 2019-11-12 | 2022-09-06 | 保罗·奈瑟 | 用于流体操纵的装置和方法 |
WO2023272367A1 (pt) * | 2021-07-02 | 2023-01-05 | Pontes Marcio | Dispositivo de propulsão auxiliar para aeronaves de asas rotativas |
US20230009263A1 (en) * | 2021-07-11 | 2023-01-12 | Papa Abdoulaye MBODJ | Boundary layer suction design by using a core of a wingtip vortex for a lift-generating body |
CN114001052B (zh) * | 2021-10-15 | 2023-09-12 | 中国民航大学 | 一种自适应控制的压气机叶片及其制作方法 |
US11965425B2 (en) * | 2022-05-31 | 2024-04-23 | General Electric Company | Airfoil for a turbofan engine |
FR3143066A1 (fr) * | 2022-12-08 | 2024-06-14 | Safran Aircraft Engines | Turbomachine comportant une aube de soufflante munie de canaux de prelevement d'air |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2156133A (en) * | 1936-06-16 | 1939-04-25 | Theodore H Troller | Propeller |
GB497048A (en) * | 1937-06-12 | 1938-12-12 | Vickers Aviat Ltd | Improvements in or connected with airscrews |
US2638990A (en) * | 1947-04-01 | 1953-05-19 | Autogiro Co Of America | Aircraft sustaining rotor blade with airflow control |
GB680458A (en) * | 1949-12-09 | 1952-10-08 | English Electric Co Ltd | Improvements in and relating to boundary layer control |
US3144220A (en) * | 1962-02-23 | 1964-08-11 | Mathias H Kittelson | Control apparatus |
US4045146A (en) | 1976-05-17 | 1977-08-30 | Avco Corporation | Helicopter rotor blade |
GB1532815A (en) * | 1976-09-27 | 1978-11-22 | Rolls Royce | Rotor blades for ducted fans |
JPS6022098A (ja) | 1983-07-18 | 1985-02-04 | Katsuhiko Sakata | 回転羽根の空洞現象防止機構 |
DE3505823A1 (de) | 1985-02-20 | 1986-08-21 | Hans 8038 Gröbenzell Bischoff | Anordnung zur beeinflussung der stroemung an leit- oder laufschaufeln fuer turbomaschinen |
US5209438A (en) | 1988-06-20 | 1993-05-11 | Israel Wygnanski | Method and apparatus for delaying the separation of flow from a solid surface |
JPH04113000A (ja) * | 1990-08-30 | 1992-04-14 | Mitsubishi Electric Corp | 軸流ファン |
JPH05124589A (ja) * | 1991-11-05 | 1993-05-21 | Mitsubishi Heavy Ind Ltd | ヘリコプタのブレード |
JP3212687B2 (ja) * | 1992-05-26 | 2001-09-25 | 富士重工業株式会社 | 回転翼航空機のローターブレードの境界層制御装置 |
JPH07301102A (ja) | 1994-05-06 | 1995-11-14 | Mitsubishi Heavy Ind Ltd | タービン動翼 |
US5758823A (en) | 1995-06-12 | 1998-06-02 | Georgia Tech Research Corporation | Synthetic jet actuator and applications thereof |
US6004095A (en) * | 1996-06-10 | 1999-12-21 | Massachusetts Institute Of Technology | Reduction of turbomachinery noise |
DE19632207A1 (de) | 1996-08-09 | 1998-02-12 | Bmw Rolls Royce Gmbh | Verfahren zur Verhinderung der laminaren Grenzschicht-Ablösung an Turbomaschinen-Schaufeln |
US5813625A (en) * | 1996-10-09 | 1998-09-29 | Mcdonnell Douglas Helicopter Company | Active blowing system for rotorcraft vortex interaction noise reduction |
-
1999
- 1999-02-25 US US09/257,483 patent/US6203269B1/en not_active Expired - Lifetime
-
2000
- 2000-02-25 JP JP2000601338A patent/JP4694696B2/ja not_active Expired - Fee Related
- 2000-02-25 CA CA002364321A patent/CA2364321C/en not_active Expired - Fee Related
- 2000-02-25 WO PCT/US2000/005014 patent/WO2000050779A1/en active IP Right Grant
- 2000-02-25 DE DE60006790T patent/DE60006790T2/de not_active Expired - Lifetime
- 2000-02-25 AU AU35043/00A patent/AU3504300A/en not_active Abandoned
- 2000-02-25 EP EP00913635A patent/EP1159533B1/en not_active Expired - Lifetime
-
2010
- 2010-12-14 JP JP2010277639A patent/JP5613037B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2364321A1 (en) | 2000-08-31 |
DE60006790D1 (de) | 2004-01-08 |
EP1159533A1 (en) | 2001-12-05 |
US6203269B1 (en) | 2001-03-20 |
WO2000050779A1 (en) | 2000-08-31 |
JP2002538379A (ja) | 2002-11-12 |
DE60006790T2 (de) | 2004-09-30 |
JP4694696B2 (ja) | 2011-06-08 |
JP2011102588A (ja) | 2011-05-26 |
CA2364321C (en) | 2008-06-10 |
AU3504300A (en) | 2000-09-14 |
EP1159533B1 (en) | 2003-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5613037B2 (ja) | 遠心型空気流制御装置 | |
EP1780378B1 (en) | Variable geometry inlet guide vane | |
US2935246A (en) | Shock wave compressors, especially for use in connection with continuous flow engines for aircraft | |
EP2520763B1 (en) | Impeller | |
US7134631B2 (en) | Vorticity cancellation at trailing edge for induced drag elimination | |
US3494129A (en) | Fluid compressors and turbofan engines employing same | |
US20160052621A1 (en) | Energy efficiency improvements for turbomachinery | |
US3692425A (en) | Compressor for handling gases at velocities exceeding a sonic value | |
US6244817B1 (en) | Method and apparatus for a fan noise controller | |
US9644537B2 (en) | Free stream intake with particle separator for reverse core engine | |
JP2016509651A (ja) | ターボ機械類用エネルギー効率改善装置 | |
US9387923B2 (en) | Gas turbine engine | |
RU2496680C1 (ru) | Обтекаемое тело, прежде всего для летательных аппаратов | |
EP3483395B1 (en) | Inter-turbine ducts with flow control mechanisms | |
CN112061404A (zh) | 减轻机舱入口中的不利流条件 | |
US9771151B2 (en) | Reaction drive helicopter with circulation control | |
US20150315915A1 (en) | Propeller blade for a turbomachine | |
US10519976B2 (en) | Fluid diodes with ridges to control boundary layer in axial compressor stator vane | |
US20130134265A1 (en) | Aircraft | |
JP7346165B2 (ja) | クロスフローファン、これを備えた揚力発生装置およびこれを備えた航空機 | |
US10787270B2 (en) | Propulsor | |
EP4286683A1 (en) | Trailing edge noise reduction using an airfoil with an internal bypass channel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130205 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130502 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130509 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130604 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130607 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130704 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130709 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20140225 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140623 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20140701 |
|
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: 20140805 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140905 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5613037 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313114 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |