DE69822359D1 - Rotorblatt eines Drehflügelflugzeuges - Google Patents
Rotorblatt eines DrehflügelflugzeugesInfo
- Publication number
- DE69822359D1 DE69822359D1 DE69822359T DE69822359T DE69822359D1 DE 69822359 D1 DE69822359 D1 DE 69822359D1 DE 69822359 T DE69822359 T DE 69822359T DE 69822359 T DE69822359 T DE 69822359T DE 69822359 D1 DE69822359 D1 DE 69822359D1
- Authority
- DE
- Germany
- Prior art keywords
- rotor blade
- wing aircraft
- rotary wing
- rotary
- aircraft
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/463—Blade tips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12544297A JP3916723B2 (ja) | 1997-05-15 | 1997-05-15 | 回転翼航空機の回転翼羽根 |
JP12544297 | 1997-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69822359D1 true DE69822359D1 (de) | 2004-04-22 |
DE69822359T2 DE69822359T2 (de) | 2005-03-24 |
Family
ID=14910197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69822359T Expired - Lifetime DE69822359T2 (de) | 1997-05-15 | 1998-04-30 | Rotorblatt eines Drehflügelflugzeuges |
Country Status (4)
Country | Link |
---|---|
US (1) | US6168383B1 (de) |
EP (1) | EP0878394B1 (de) |
JP (1) | JP3916723B2 (de) |
DE (1) | DE69822359T2 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6471157B1 (en) * | 1999-03-22 | 2002-10-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Device and method for reducing aircraft noise |
JP4535550B2 (ja) * | 2000-02-23 | 2010-09-01 | 富士重工業株式会社 | 回転翼航空機の回転翼羽根 |
US6497385B1 (en) | 2000-11-08 | 2002-12-24 | Continuum Dynamics, Inc. | Rotor blade with optimized twist distribution |
JP4676633B2 (ja) * | 2001-03-28 | 2011-04-27 | 富士重工業株式会社 | 回転翼航空機の回転翼羽根 |
US6578798B1 (en) * | 2002-04-08 | 2003-06-17 | Faruk Dizdarevic | Airlifting surface division |
US6986642B2 (en) * | 2002-08-30 | 2006-01-17 | Cartercopters, L.L.C. | Extreme mu rotor |
US6976829B2 (en) * | 2003-07-16 | 2005-12-20 | Sikorsky Aircraft Corporation | Rotor blade tip section |
US7246998B2 (en) * | 2004-11-18 | 2007-07-24 | Sikorsky Aircraft Corporation | Mission replaceable rotor blade tip section |
US7281900B2 (en) * | 2005-05-13 | 2007-10-16 | The Boeing Company | Cascade rotor blade for low noise |
US7513750B2 (en) | 2006-03-08 | 2009-04-07 | Sikorsky Aircraft Corporation | Rotor blade tip planform |
FR2912990B1 (fr) * | 2007-02-23 | 2009-04-24 | Eurocopter France | Pale de giravion pourvue d'un troncon radial et d'au moins un troncon en fleche avant et/ou arriere |
US7762785B2 (en) * | 2007-12-10 | 2010-07-27 | Sikorsky Aircraft Corporation | Main rotor blade with integral tip section |
US8262344B2 (en) * | 2008-04-02 | 2012-09-11 | Hamilton Sundstrand Corporation | Thermal management system for a gas turbine engine |
ATE490914T1 (de) * | 2008-05-22 | 2010-12-15 | Agusta Spa | Drehmomentausgleichs-heckrotorblatt für hubschrauber |
AT507091B1 (de) * | 2008-09-22 | 2010-02-15 | Walter Enthammer | Strömungsmaschine |
DE102009035689A1 (de) * | 2009-07-30 | 2011-02-03 | Eads Deutschland Gmbh | Fluiddynamisch wirksamer Rotor |
JP5693842B2 (ja) * | 2009-12-14 | 2015-04-01 | 独立行政法人 宇宙航空研究開発機構 | ヘリコプタのロータ・ブレード |
GB2483059A (en) * | 2010-08-23 | 2012-02-29 | Rolls Royce Plc | An aerofoil blade with a set-back portion |
GB201117692D0 (en) * | 2011-10-13 | 2011-11-23 | Rolls Royce Plc | A distributed propulsion system and method of control |
FR3005301B1 (fr) * | 2013-05-03 | 2015-05-29 | Eurocopter France | Rotor carene d'aeronef, et giravion |
JP1556308S (de) * | 2015-09-11 | 2019-07-29 | ||
JP1556307S (de) * | 2015-09-11 | 2019-07-29 | ||
JP1564210S (de) * | 2016-02-24 | 2019-11-11 | ||
EP3269635A1 (de) | 2016-07-12 | 2018-01-17 | The Aircraft Performance Company UG | Flugzeugflügel |
US10625847B2 (en) * | 2017-04-21 | 2020-04-21 | Textron Innovations Inc. | Split winglet |
WO2019011395A1 (en) | 2017-07-12 | 2019-01-17 | The Aircraft Performance Company Gmbh | AIR WING WITH AT LEAST TWO MARGINAL FINS |
ES2819559T3 (es) | 2017-12-15 | 2021-04-16 | The Aircraft Performance Company Gmbh | Ala de aeroplano |
ES2905192T3 (es) | 2018-01-15 | 2022-04-07 | The Aircraft Performance Company Gmbh | Ala de avión |
JP7184562B2 (ja) | 2018-08-06 | 2022-12-06 | 株式会社Subaru | 航空機用のロータブレード |
US11473591B2 (en) * | 2018-10-15 | 2022-10-18 | Asia Vital Components (China) Co., Ltd. | Fan blade unit and fan impeller structure thereof |
US11440644B2 (en) * | 2020-02-21 | 2022-09-13 | Textron Innovations Inc. | Download reducing winglets for aircraft having a rotor producing downwash and method of operating the same |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB752080A (en) * | 1952-07-18 | 1956-07-04 | Aristides Warto | Improvements in or relating to rotor blades for helicopters |
US3044559A (en) * | 1959-07-14 | 1962-07-17 | Chajmik Joseph | Propeller |
GB1380252A (en) * | 1971-01-21 | 1975-01-08 | Secr Defence | Helicopter rotor blades |
GB1391940A (en) * | 1971-09-22 | 1975-04-23 | United Aircraft Corp | Helicopter rotor blades |
JPS496697A (de) * | 1972-05-09 | 1974-01-21 | ||
US3902821A (en) * | 1973-12-07 | 1975-09-02 | Summa Corp | Helicopter rotor |
DE2515444B2 (de) * | 1975-04-09 | 1977-05-18 | Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Laufschaufelkranz grosser umfangsgeschwindigkeit fuer thermische, axial durchstroemte turbinen |
US4046336A (en) * | 1975-05-13 | 1977-09-06 | Textron, Inc. | Vortex diffusion and dissipation |
GB1538055A (en) * | 1975-05-19 | 1979-01-10 | Westland Aircraft Ltd | Helicopter rotor blades |
US4130377A (en) * | 1977-07-13 | 1978-12-19 | United Technologies Corporation | Helicopter blade and rotor |
US4248572A (en) * | 1978-12-11 | 1981-02-03 | United Technologies Corporation | Helicopter blade |
US4324530A (en) * | 1980-01-21 | 1982-04-13 | United Technologies Corp. | Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency |
DE3175016D1 (en) * | 1980-03-28 | 1986-09-04 | Westland Plc | Helicopter rotor blade |
FR2507149A1 (fr) * | 1981-06-05 | 1982-12-10 | Onera (Off Nat Aerospatiale) | Extremite de pale pour voilure tournante d'aeronef et voilure tournante pourvue de telles extremites de pale |
US4674709A (en) * | 1983-06-20 | 1987-06-23 | Welles Stanley W | Airframe design |
DE3424010A1 (de) * | 1984-06-29 | 1986-01-02 | Schubert, Jürgen, 6331 Schöffengrund | Schraube fuer gasfoermige oder fluessige medien, insbesondere luftschraube |
FR2617118B1 (fr) * | 1987-06-29 | 1992-08-21 | Aerospatiale | Pale a extremite courbe pour voilure tournante d'aeronef |
JPH0774038B2 (ja) * | 1987-07-10 | 1995-08-09 | 三菱重工業株式会社 | 回転翼機のロ−タ・ブレ−ド |
JPS6422693A (en) | 1987-07-16 | 1989-01-25 | Kiyoshi Yamaguchi | Torque generator |
JPH01164498A (ja) | 1987-12-22 | 1989-06-28 | Mitsubishi Gas Chem Co Inc | エチルトリメチルアンモニウム化合物の除去方法 |
GB8815955D0 (en) | 1988-07-05 | 1988-11-16 | Westland Helicopters | Helicopter rotor blades |
JPH0366198A (ja) | 1989-08-03 | 1991-03-20 | Mitsubishi Electric Corp | 接着剤付テープへの接着装置 |
JP2735935B2 (ja) * | 1990-07-23 | 1998-04-02 | 三菱重工業株式会社 | ヘリコプタ |
GB9022271D0 (en) * | 1990-10-13 | 1991-02-20 | Westland Helicopters | Helicopter rotor blades |
GB9023141D0 (en) | 1990-10-24 | 1991-07-10 | Westland Helicopters | Helicopter rotor blades |
JPH04176795A (ja) | 1990-11-13 | 1992-06-24 | Mitsubishi Heavy Ind Ltd | ヘリコプタ回転翼 |
GB9112835D0 (en) * | 1991-06-14 | 1992-05-27 | Westland Helicopters | Helicopter rotor blades |
US5588800B1 (en) * | 1994-05-31 | 2000-12-19 | Mcdonell Douglas Helicopter Co | Blade vortex interaction noise reduction techniques for a rotorcraft |
GB9600123D0 (en) * | 1996-01-04 | 1996-03-06 | Westland Helicopters | Aerofoil |
JPH09254894A (ja) * | 1996-03-26 | 1997-09-30 | Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk | フラップ付ヘリコプタブレードおよびこれを用いたロータ制御装置 |
JP2852031B2 (ja) * | 1997-03-21 | 1999-01-27 | 株式会社コミュータヘリコプタ先進技術研究所 | 回転翼機のロータブレード |
-
1997
- 1997-05-15 JP JP12544297A patent/JP3916723B2/ja not_active Expired - Fee Related
-
1998
- 1998-04-29 US US09/067,916 patent/US6168383B1/en not_active Expired - Lifetime
- 1998-04-30 DE DE69822359T patent/DE69822359T2/de not_active Expired - Lifetime
- 1998-04-30 EP EP98108005A patent/EP0878394B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH10316098A (ja) | 1998-12-02 |
EP0878394A1 (de) | 1998-11-18 |
US6168383B1 (en) | 2001-01-02 |
EP0878394B1 (de) | 2004-03-17 |
JP3916723B2 (ja) | 2007-05-23 |
DE69822359T2 (de) | 2005-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication of lapse of patent is to be deleted | ||
8364 | No opposition during term of opposition |