DE69109616T2 - Rotorblätter eines Drehflügelflugzeuges. - Google Patents
Rotorblätter eines Drehflügelflugzeuges.Info
- Publication number
- DE69109616T2 DE69109616T2 DE69109616T DE69109616T DE69109616T2 DE 69109616 T2 DE69109616 T2 DE 69109616T2 DE 69109616 T DE69109616 T DE 69109616T DE 69109616 T DE69109616 T DE 69109616T DE 69109616 T2 DE69109616 T2 DE 69109616T2
- Authority
- DE
- Germany
- Prior art keywords
- rotor blades
- 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
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909023141A GB9023141D0 (en) | 1990-10-24 | 1990-10-24 | Helicopter rotor blades |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69109616D1 DE69109616D1 (de) | 1995-06-14 |
DE69109616T2 true DE69109616T2 (de) | 1995-09-07 |
Family
ID=10684286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69109616T Expired - Lifetime DE69109616T2 (de) | 1990-10-24 | 1991-10-24 | Rotorblätter eines Drehflügelflugzeuges. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5199851A (de) |
EP (1) | EP0482932B1 (de) |
JP (1) | JP3051520B2 (de) |
DE (1) | DE69109616T2 (de) |
GB (1) | GB9023141D0 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009012801B4 (de) * | 2009-03-13 | 2012-04-05 | Eads Deutschland Gmbh | Anisotrope Betätigung einer Helikopterrotorblattspitze |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4206066A1 (de) * | 1992-02-27 | 1993-09-02 | Fritz Karl Hausser | Boot-schrauben, flugzeug-propellern und hubschrauber-rotor-blaettern zur verringerung des wirbels und widerstandes von wasser und luft |
DE4401596A1 (de) * | 1994-01-20 | 1995-07-27 | Ekato Ruehr Mischtechnik | Rührorgan |
US5634613A (en) * | 1994-07-18 | 1997-06-03 | Mccarthy; Peter T. | Tip vortex generation technology for creating a lift enhancing and drag reducing upwash effect |
GB9600123D0 (en) | 1996-01-04 | 1996-03-06 | Westland Helicopters | Aerofoil |
GB2312712A (en) * | 1996-04-30 | 1997-11-05 | Gkn Westland Helicopters Ltd | Propeller/rotor blade |
JP3170470B2 (ja) * | 1997-03-24 | 2001-05-28 | 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 |
JP3916723B2 (ja) | 1997-05-15 | 2007-05-23 | 富士重工業株式会社 | 回転翼航空機の回転翼羽根 |
DE19743694C2 (de) * | 1997-10-02 | 2001-11-15 | Aloys Wobben | Rotorblatt und Windenergieanlage mit einem Rotorblatt |
FR2772715B1 (fr) | 1997-12-22 | 2000-02-11 | Eurocopter France | Pale pour aeronef a voilure tournante |
FR2782307B1 (fr) | 1998-08-17 | 2000-10-13 | Onera (Off Nat Aerospatiale) | Procede pour la reduction du bruit d'interaction pales-tourbillons engendre par une voilure tournante |
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 |
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 |
EP1515887A1 (de) | 2002-06-26 | 2005-03-23 | McCarthy, Peter T. | Hocheffiziente randwirbelumkehrung und induzierte luftwiderstandsreduzierung |
DE10332875B4 (de) | 2003-07-19 | 2016-11-24 | Windreich GmbH | Rotorflügelblatt |
US7513750B2 (en) * | 2006-03-08 | 2009-04-07 | Sikorsky Aircraft Corporation | Rotor blade tip planform |
US8066219B2 (en) * | 2008-04-25 | 2011-11-29 | Karem Aircraft, Inc. | Anhedral tip blades for tiltrotor aircraft |
US8419371B2 (en) * | 2008-05-30 | 2013-04-16 | General Electric Company | Wind turbine blades with twisted and tapered tips |
US8167567B2 (en) | 2008-12-17 | 2012-05-01 | United Technologies Corporation | Gas turbine engine airfoil |
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 |
US10899440B2 (en) * | 2017-03-09 | 2021-01-26 | Sikorsky Aircraft Corporation | Rotor blade tip design for improved hover and cruise performance |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3467197A (en) * | 1968-05-07 | 1969-09-16 | Bell Aerospace Corp | Rotor blade |
US4046336A (en) * | 1975-05-13 | 1977-09-06 | Textron, Inc. | Vortex diffusion and dissipation |
US4334828A (en) * | 1980-01-21 | 1982-06-15 | United Technologies Corporation | Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency |
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 |
US4545552A (en) * | 1983-06-20 | 1985-10-08 | Welles Stanley W | Airframe design |
FR2617118B1 (fr) * | 1987-06-29 | 1992-08-21 | Aerospatiale | Pale a extremite courbe pour voilure tournante d'aeronef |
GB8815955D0 (en) * | 1988-07-05 | 1988-11-16 | Westland Helicopters | Helicopter rotor blades |
-
1990
- 1990-10-24 GB GB909023141A patent/GB9023141D0/en active Pending
-
1991
- 1991-10-22 JP JP3274029A patent/JP3051520B2/ja not_active Expired - Lifetime
- 1991-10-23 US US07/781,412 patent/US5199851A/en not_active Expired - Lifetime
- 1991-10-24 DE DE69109616T patent/DE69109616T2/de not_active Expired - Lifetime
- 1991-10-24 EP EP91309847A patent/EP0482932B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009012801B4 (de) * | 2009-03-13 | 2012-04-05 | Eads Deutschland Gmbh | Anisotrope Betätigung einer Helikopterrotorblattspitze |
Also Published As
Publication number | Publication date |
---|---|
EP0482932A1 (de) | 1992-04-29 |
DE69109616D1 (de) | 1995-06-14 |
GB9023141D0 (en) | 1991-07-10 |
EP0482932B1 (de) | 1995-05-10 |
JP3051520B2 (ja) | 2000-06-12 |
US5199851A (en) | 1993-04-06 |
JPH04262994A (ja) | 1992-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69202516D1 (de) | Rotorblatt eines Drehflügelflugzeuges. | |
DE69103739D1 (de) | Rotornabe eines Drehflügelflugzeuges. | |
DE69109616D1 (de) | Rotorblätter eines Drehflügelflugzeuges. | |
DE69115636D1 (de) | Rotorblätter eines Drehflügelflugzeuges | |
DE69301577D1 (de) | Rotorblatt eines Drehflügelflugzeuges mit Pfeilblattspitze | |
DE69313693D1 (de) | Heckrotor eines Drehflügelflugzeuges | |
DE69822359D1 (de) | Rotorblatt eines Drehflügelflugzeuges | |
DE69714947T2 (de) | Rotorblatt eines Drehflügelflugzeuges mit Pfeilblattspitze | |
DE69608647D1 (de) | Rotorblätter eines Drehflügelflugzeuges mit Blitzschutzschild | |
DE69809005T2 (de) | Rotorblatt eines Drehflügelflugzeuges mit reduzierten, akustischen Eigenschaften | |
DE68922937D1 (de) | Hubschrauberrotorblatt. | |
FR2639402B1 (fr) | Disque ailete de rotor de turbomachine | |
DE69208207D1 (de) | Rotorbremse-Einheit eines Drehflügelflugzeuges | |
DE69100652T2 (de) | Turbomaschinenrotor mit Schaufelbefestigung. | |
DE69106101D1 (de) | Rotorblätter eines Drehflügelflugzeuges. | |
DE69203219T2 (de) | Mehrblattverstellrotor, insbesondere Gegendrehmomentvorrichtung eines Drehflügelflugzeuges. | |
ATE78770T1 (de) | Rotoranordnung eines drehfluegelflugzeuges. | |
DE69202519D1 (de) | Rotorblätter eines Hubschraubers. | |
BE894260A (fr) | Aubes de rotor de turbine | |
DE69210977D1 (de) | Gelenkrotorkopf eines Drehflügelflugzeuges | |
DE3769903D1 (de) | Hubschrauberrotorblattprofil. | |
DE69101613T2 (de) | Rotorkopf eines Drehflügelflugzeuges. | |
DE58903153D1 (de) | Rotor, insbesondere eines drehfluegelflugzeuges. | |
DE69608396T2 (de) | Rotorblätter eines Drehflügelflugzeuges mit Blitzschutzschild | |
DE69411055T2 (de) | Rotorkopf eines Drehflügelflugzeuges |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |