DE69519029T2 - Lärmkontrollanordnung für flügelprofil - Google Patents
Lärmkontrollanordnung für flügelprofilInfo
- Publication number
- DE69519029T2 DE69519029T2 DE69519029T DE69519029T DE69519029T2 DE 69519029 T2 DE69519029 T2 DE 69519029T2 DE 69519029 T DE69519029 T DE 69519029T DE 69519029 T DE69519029 T DE 69519029T DE 69519029 T2 DE69519029 T2 DE 69519029T2
- Authority
- DE
- Germany
- Prior art keywords
- control arrangement
- noise control
- wing profile
- wing
- profile
- 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
Classifications
-
- 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
- F01D5/148—Blades with variable camber, e.g. by ejection of fluid
-
- 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
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/278,439 US5613649A (en) | 1994-07-21 | 1994-07-21 | Airfoil noise control |
PCT/US1995/009075 WO1996003584A1 (en) | 1994-07-21 | 1995-07-19 | Airfoil noise control |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69519029D1 DE69519029D1 (de) | 2000-11-09 |
DE69519029T2 true DE69519029T2 (de) | 2001-05-17 |
Family
ID=23064979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69519029T Expired - Fee Related DE69519029T2 (de) | 1994-07-21 | 1995-07-19 | Lärmkontrollanordnung für flügelprofil |
Country Status (5)
Country | Link |
---|---|
US (1) | US5613649A (de) |
EP (1) | EP0771395B1 (de) |
JP (1) | JP3854309B2 (de) |
DE (1) | DE69519029T2 (de) |
WO (1) | WO1996003584A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5975462A (en) * | 1996-10-30 | 1999-11-02 | The United States Of America As Represented By The Secretary Of The Navy | Integrated propulsion/lift/control system for aircraft and ship applications |
US6543719B1 (en) * | 1997-06-05 | 2003-04-08 | Mcdonnell Douglas Helicopter Co. | Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature |
US6139259A (en) * | 1998-10-29 | 2000-10-31 | General Electric Company | Low noise permeable airfoil |
DE10357075B4 (de) | 2003-12-06 | 2006-01-12 | Dornier Gmbh | Verfahren zur Lärmreduzierung von Turbomaschinen |
US8136767B2 (en) * | 2006-01-03 | 2012-03-20 | General Electric Company | Method and system for flow control with arrays of dual bimorph synthetic jet fluidic actuators |
FR2906563B1 (fr) * | 2006-09-28 | 2011-12-09 | Snecma | Methode de traitement acoustique d'un moteur d'avion comprenant une turbosoufflante. aube traitee |
US8016567B2 (en) * | 2007-01-17 | 2011-09-13 | United Technologies Corporation | Separation resistant aerodynamic article |
BRPI0701438B1 (pt) * | 2007-04-13 | 2019-11-19 | Embraer Empresa Brasileira De Aeronautica S A | superfície de controle de aeronave em combinação em combinação com um selo aerodinâmico para redução do ruído gerado por superfícies de controle de aeronaves |
US7607287B2 (en) * | 2007-05-29 | 2009-10-27 | United Technologies Corporation | Airfoil acoustic impedance control |
US8425191B2 (en) * | 2008-05-30 | 2013-04-23 | United Technologies Corporation | Propfan assembly |
US8973364B2 (en) * | 2008-06-26 | 2015-03-10 | United Technologies Corporation | Gas turbine engine with noise attenuating variable area fan nozzle |
US8061961B2 (en) * | 2009-01-23 | 2011-11-22 | Dresser-Rand Company | Fluid expansion device and method with noise attenuation |
US7984787B2 (en) * | 2009-01-23 | 2011-07-26 | Dresser-Rand Company | Fluid-carrying conduit and method with noise attenuation |
US8739515B2 (en) * | 2009-11-24 | 2014-06-03 | United Technologies Corporation | Variable area fan nozzle cowl airfoil |
FR2968048B1 (fr) * | 2010-11-30 | 2017-10-20 | Snecma | Aube de turbomachine comprenant une source electroacoustique amelioree, rangee d'aubes directrices de sortie et turbomachine comprenant une telle aube |
WO2012145141A1 (en) | 2011-04-20 | 2012-10-26 | Dresser-Rand Company | Multi-degree of freedom resonator array |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1918536A (en) * | 1929-10-17 | 1933-07-18 | D Roger W Griswold | Aeroplane wing |
US2173832A (en) * | 1938-01-10 | 1939-09-26 | Delmer S Fahrney | Aircraft wing |
US2340417A (en) * | 1941-10-07 | 1944-02-01 | Clyde E Ellett | Noiseless propeller |
US2988302A (en) * | 1959-01-14 | 1961-06-13 | Gen Sound Control Inc | Silencing means for aircraft |
US3093350A (en) * | 1960-08-04 | 1963-06-11 | Dehavilland Aircraft | Aircraft wing with nose flap and boundary layer control |
US3174282A (en) * | 1963-04-19 | 1965-03-23 | Ryan Aeronautical Co | Asymmetrical jet nozzle noise suppressor |
DE1268979B (de) * | 1966-07-01 | 1968-05-22 | Hermann Papst | UEberstroemte Wand, insbesondere bei Luftfahrzeugen, mit Schlitzen zur Absaugung derGrenzschicht |
GB2093152A (en) * | 1981-02-12 | 1982-08-25 | Walmsley Sidney | Boundary Layer Control |
DE3342421A1 (de) * | 1983-11-24 | 1985-06-05 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Verfahren zur stabilisierenden beeinflussung abgeloester laminarer grenzschichten |
JPS60142004A (ja) * | 1983-12-28 | 1985-07-27 | Toshiba Corp | 軸流タ−ボ機翼 |
US4749150A (en) * | 1985-12-24 | 1988-06-07 | Rohr Industries, Inc. | Turbofan duct with noise suppression and boundary layer control |
GB8610297D0 (en) * | 1986-04-28 | 1986-10-01 | Rolls Royce | Turbomachinery |
US4802642A (en) * | 1986-10-14 | 1989-02-07 | The Boeing Company | Control of laminar flow in fluids by means of acoustic energy |
JP2615823B2 (ja) * | 1988-04-28 | 1997-06-04 | 松下電器産業株式会社 | 羽根車の翼型ブレードの製造方法 |
US5141182A (en) * | 1990-06-01 | 1992-08-25 | General Electric Company | Gas turbine engine fan duct base pressure drag reduction |
FR2681833A1 (fr) * | 1991-09-26 | 1993-04-02 | Dath Albert | Systeme hypersustentateur facilitant les decollages et les atterrissages des mobiles aeriens. |
DE4207103C1 (de) * | 1992-03-06 | 1993-09-16 | Deutsche Aerospace Airbus Gmbh, 21129 Hamburg, De | |
US5348256A (en) * | 1992-05-13 | 1994-09-20 | The Boeing Company | Supersonic aircraft and method |
US5291672A (en) * | 1992-12-09 | 1994-03-08 | General Electric Company | Sound suppression mixer |
US5420383A (en) * | 1993-10-22 | 1995-05-30 | United Technologies Corporation | Anti-sound arrangement for multi-stage blade cascade |
US5423658A (en) * | 1993-11-01 | 1995-06-13 | General Electric Company | Active noise control using noise source having adaptive resonant frequency tuning through variable ring loading |
-
1994
- 1994-07-21 US US08/278,439 patent/US5613649A/en not_active Expired - Fee Related
-
1995
- 1995-07-19 JP JP50583596A patent/JP3854309B2/ja not_active Expired - Fee Related
- 1995-07-19 EP EP95928665A patent/EP0771395B1/de not_active Expired - Lifetime
- 1995-07-19 WO PCT/US1995/009075 patent/WO1996003584A1/en active IP Right Grant
- 1995-07-19 DE DE69519029T patent/DE69519029T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69519029D1 (de) | 2000-11-09 |
EP0771395B1 (de) | 2000-10-04 |
JP3854309B2 (ja) | 2006-12-06 |
JPH10503817A (ja) | 1998-04-07 |
US5613649A (en) | 1997-03-25 |
WO1996003584A1 (en) | 1996-02-08 |
EP0771395A1 (de) | 1997-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee | ||
8370 | Indication of lapse of patent is to be deleted | ||
8339 | Ceased/non-payment of the annual fee |