BE747482A - Perfectionnements aux ailes aerodynamiques - Google Patents
Perfectionnements aux ailes aerodynamiquesInfo
- Publication number
- BE747482A BE747482A BE747482DA BE747482A BE 747482 A BE747482 A BE 747482A BE 747482D A BE747482D A BE 747482DA BE 747482 A BE747482 A BE 747482A
- Authority
- BE
- Belgium
- Prior art keywords
- aerodynamic wing
- aerodynamic
- wing
- wing improvements
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
- B64C27/16—Drive of rotors by means, e.g. propellers, mounted on rotor blades
- B64C27/18—Drive of rotors by means, e.g. propellers, mounted on rotor blades the means being jet-reaction apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/325—Circulation-control rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80849069A | 1969-03-19 | 1969-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE747482A true BE747482A (fr) | 1970-08-31 |
Family
ID=25198920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE747482D BE747482A (fr) | 1969-03-19 | 1970-03-17 | Perfectionnements aux ailes aerodynamiques |
Country Status (8)
Country | Link |
---|---|
US (1) | US3588273A (fr) |
BE (1) | BE747482A (fr) |
CH (1) | CH517256A (fr) |
DE (1) | DE2013161A1 (fr) |
FR (1) | FR2039671A5 (fr) |
GB (1) | GB1298842A (fr) |
NL (1) | NL7003872A (fr) |
SE (1) | SE349528B (fr) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3713750A (en) * | 1970-12-07 | 1973-01-30 | Us Navy | Circulation control rotor system |
US3883266A (en) * | 1973-09-24 | 1975-05-13 | Jr Herman A Soulant | Differential lift control by synchronous resonant excitation of air column in helicopter rotor |
US4630997A (en) * | 1981-11-24 | 1986-12-23 | Fondation Cousteau | Apparatus for producing a force when in a moving fluid |
US4596512A (en) * | 1984-08-23 | 1986-06-24 | United Technologies Corporation | Circulation controlled rotor blade tip vent valve |
US4626171A (en) * | 1984-10-25 | 1986-12-02 | United Technologies Corporation | Rotor blade construction for circulation control aircraft |
US4655685A (en) * | 1985-12-16 | 1987-04-07 | United Technologies Corporation | Helicopter main rotor blade having a short span slot near the tip end |
US4966526A (en) * | 1989-07-13 | 1990-10-30 | United Technologies Corporation | Mechanically actuated slot for circulation control rotor |
US5813625A (en) * | 1996-10-09 | 1998-09-29 | Mcdonnell Douglas Helicopter Company | Active blowing system for rotorcraft vortex interaction noise reduction |
US6092990A (en) * | 1997-06-05 | 2000-07-25 | Mcdonnell Douglas Helicopter Company | Oscillating air jets for helicopter rotor aerodynamic control and BVI noise reduction |
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 |
US6234751B1 (en) | 1997-06-05 | 2001-05-22 | Mcdonnell Douglas Helicopter Co. | Oscillating air jets for reducing HSI noise |
US6821090B1 (en) * | 1997-06-05 | 2004-11-23 | Mcdonnell Douglas Helicopter Company | Gust alleviation/flutter suppression device |
US6476534B1 (en) | 2000-08-08 | 2002-11-05 | General Dynamics Advanced Technology Systems, Inc. | Permanent magnet phase-control motor |
US6478541B1 (en) | 2001-08-16 | 2002-11-12 | The Boeing Company | Tapered/segmented flaps for rotor blade-vortex interaction (BVI) noise and vibration reduction |
EP1585665B1 (fr) | 2003-01-23 | 2008-05-28 | Bell Helicopter Textron Inc. | Pale de rotor orientable a fente de bord d'attaque |
US7156609B2 (en) * | 2003-11-18 | 2007-01-02 | Gck, Inc. | Method of making complex twisted blades with hollow airfoil cross section and the turbines based on such |
US7644887B2 (en) * | 2007-02-22 | 2010-01-12 | Johnson Edward D | Yaw control system and method |
US9004394B2 (en) * | 2010-09-09 | 2015-04-14 | Groen Brothers Aviation, Inc. | Mission-adaptive rotor blade with circulation control |
CN102323440A (zh) * | 2011-06-03 | 2012-01-18 | 清华大学 | 直升机二轴式空速检测系统 |
US9637229B2 (en) | 2011-07-11 | 2017-05-02 | Groen Aeronautics Corporation | Mission-adaptive rotor blade with circulation control |
US9090343B2 (en) * | 2011-10-13 | 2015-07-28 | Sikorsky Aircraft Corporation | Rotor blade component cooling |
RU2569233C1 (ru) * | 2014-10-15 | 2015-11-20 | Российская Федерация в лице Министерства промышленности и торговли Российской Федерации (Минпромторг России) | Способ управления реактивным приводом несущего винта вертолета и устройство для его осуществления |
JP6980962B2 (ja) * | 2017-04-26 | 2021-12-15 | 国立研究開発法人宇宙航空研究開発機構 | メインロータブレード及びヘリコプタ |
CN109592011A (zh) * | 2018-11-02 | 2019-04-09 | 中国航空工业集团公司西安飞机设计研究所 | 一种通用飞机方向舵复合材料壁板结构 |
RU2748769C1 (ru) * | 2020-11-09 | 2021-05-31 | Олег Леонидович Федоров | Устройство реактивного привода несущего винта |
CN113335509B (zh) * | 2021-06-03 | 2022-07-01 | 南京航空航天大学 | 一种直升机桨叶的流动控制方法 |
-
1969
- 1969-03-19 US US808490A patent/US3588273A/en not_active Expired - Lifetime
-
1970
- 1970-03-17 BE BE747482D patent/BE747482A/fr unknown
- 1970-03-17 SE SE03520/70A patent/SE349528B/xx unknown
- 1970-03-18 FR FR7009739A patent/FR2039671A5/fr not_active Expired
- 1970-03-18 NL NL7003872A patent/NL7003872A/xx unknown
- 1970-03-18 CH CH409070A patent/CH517256A/de not_active IP Right Cessation
- 1970-03-18 GB GB02932/70A patent/GB1298842A/en not_active Expired
- 1970-03-19 DE DE19702013161 patent/DE2013161A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2013161A1 (de) | 1970-10-01 |
NL7003872A (fr) | 1970-09-22 |
US3588273A (en) | 1971-06-28 |
SE349528B (fr) | 1972-10-02 |
FR2039671A5 (fr) | 1971-01-15 |
CH517256A (de) | 1971-12-31 |
GB1298842A (en) | 1972-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE747482A (fr) | Perfectionnements aux ailes aerodynamiques | |
FI53826C (fi) | Foerfarande foer suspensionspolymerisering av vinylkloridmonomer eller en vinylklorid innehaollande vinylmonomerblandning | |
CH518420A (de) | Befestigungselement | |
SE392863B (sv) | Fallskerm | |
BE755592A (fr) | Assemblage anodique | |
FI55136B (fi) | Transport- och blandningsanordning speciellt foer pulver- och/eller partikelmassor | |
FI55581C (fi) | En foer torkning av tvaett eller dylikt avsedd trumtorkningsanordning | |
BE746227A (fr) | Habitacle submersible | |
FI54251B (fi) | Anordning foer bildning av arbetsstyckepaket saerskilt fraon slangstycken saeckar eller paosar | |
FI54985B (fi) | Transformator eller induktionsspole | |
AT312428B (de) | Schneegleitgerät | |
BE755554A (fr) | Proces-controle | |
BE759518A (fr) | Perfectionnements aux moissonneuses-batteuses | |
AT315007B (de) | Zweiteiliges Profilruder | |
FI54519C (fi) | Styranordning foer fallhejare eller liknande | |
SE390339B (sv) | Vingstabiliserad projektil for grantakastare o d | |
FR2049122A2 (fr) | Allume-feu perfectionne | |
FI53520C (fi) | Apparat foer frekvensstudier utnyttjande haolkort eller haolremsor | |
CH528061A (de) | Geschoss mit Bremsflügeln | |
FI49949C (fi) | Lentokone. | |
CH500389A (de) | Befestigungselement | |
CH533536A (de) | Deltaflügel-Flugzeug | |
CH523733A (de) | Zapfensenker | |
FI53466C (fi) | Foerfarande foer sammandragande krympning av tvao eller flere tyglager | |
BE770750A (fr) | Perfectionnements aux moissonneuses-batteuses |