RU93004973A - Лопасть со стреловидной законцовкой для несущего винта летательного аппарата - Google Patents
Лопасть со стреловидной законцовкой для несущего винта летательного аппаратаInfo
- Publication number
- RU93004973A RU93004973A RU93004973/11A RU93004973A RU93004973A RU 93004973 A RU93004973 A RU 93004973A RU 93004973/11 A RU93004973/11 A RU 93004973/11A RU 93004973 A RU93004973 A RU 93004973A RU 93004973 A RU93004973 A RU 93004973A
- Authority
- RU
- Russia
- Prior art keywords
- arrow shaft
- aircraft propeller
- shaft vane
- change
- aircraft
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims 1
Claims (1)
- Настоящее изобретение касается конструкции лопасти со стреловидной законцовкой для несущего винта летательного аппарата. Согласно изобретению, изменение длины хорды и изменение смещения аэродинамического фокуса являются такими, что передняя и задняя кромки лопасти в продольном направлении не имеют никакого излома, при этом общий аэродинамический фокус расположен существенно на оси изменения шага.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR929204353A FR2689852B1 (fr) | 1992-04-09 | 1992-04-09 | Pale pour voilure tournante d'aeronef, a extremite en fleche. |
FR9204353 | 1992-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU93004973A true RU93004973A (ru) | 1996-11-27 |
RU2093421C1 RU2093421C1 (ru) | 1997-10-20 |
Family
ID=9428679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU9393004973A RU2093421C1 (ru) | 1992-04-09 | 1993-04-08 | Лопасть несущего винта летательного аппарата |
Country Status (7)
Country | Link |
---|---|
US (1) | US5332362A (ru) |
EP (1) | EP0565413B1 (ru) |
JP (1) | JP3414785B2 (ru) |
CA (1) | CA2093702C (ru) |
DE (2) | DE69301577D1 (ru) |
FR (1) | FR2689852B1 (ru) |
RU (1) | RU2093421C1 (ru) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5597138A (en) * | 1991-09-30 | 1997-01-28 | Arlton; Paul E. | Yaw control and stabilization system for helicopters |
US5749540A (en) * | 1996-07-26 | 1998-05-12 | Arlton; Paul E. | System for controlling and automatically stabilizing the rotational motion of a rotary wing aircraft |
FR2755941B1 (fr) * | 1996-11-19 | 1999-01-15 | Eurocopter France | Pale a extremite en fleche pour voilure tournante d'aeronef |
US6024325A (en) * | 1997-01-09 | 2000-02-15 | Cartercopters, Llc | Rotor for rotary wing aircraft |
FR2768121B1 (fr) * | 1997-09-10 | 1999-11-19 | Onera (Off Nat Aerospatiale) | Pale a signature sonore reduite, pour voilure tournante d'aeronef, et voilure tournante comportant une telle pale |
DE19743694C2 (de) * | 1997-10-02 | 2001-11-15 | Aloys Wobben | Rotorblatt und Windenergieanlage mit einem Rotorblatt |
FR2793766B1 (fr) | 1999-05-21 | 2001-07-13 | Eurocopter France | Pale pour voilure tournante d'aeronef |
US6720687B2 (en) * | 2000-12-22 | 2004-04-13 | General Electric Company | Wake reduction structure for enhancing cavity flow in generator rotor endwindings |
DE10125077B4 (de) * | 2001-05-14 | 2014-02-06 | Siegfried Pauli | Der Hubschrauber |
FR2865189B1 (fr) * | 2004-01-21 | 2007-02-16 | Eurocopter France | Pale de voilure tournante a double fleche et effilement limites. |
GB0420601D0 (en) * | 2004-09-16 | 2004-10-20 | Qinetiq Ltd | Wing tip devices |
US7344360B2 (en) * | 2004-09-29 | 2008-03-18 | General Electric Company | Wind turbine rotor blade with in-plane sweep and devices using same, and methods for making same |
US7600976B2 (en) | 2005-05-31 | 2009-10-13 | Sikorsky Aircraft Corporation | Rotor blade twist distribution for a high speed rotary-wing aircraft |
US7252479B2 (en) * | 2005-05-31 | 2007-08-07 | Sikorsky Aircraft Corporation | Rotor blade for a high speed rotary-wing aircraft |
US7854593B2 (en) * | 2006-02-16 | 2010-12-21 | Sikorsky Aircraft Corporation | Airfoil for a helicopter rotor blade |
US7762785B2 (en) * | 2007-12-10 | 2010-07-27 | Sikorsky Aircraft Corporation | Main rotor blade with integral tip section |
DE602008003902D1 (de) * | 2008-05-22 | 2011-01-20 | Agusta Spa | Drehmomentausgleichs-Heckrotorblatt für Hubschrauber |
US8167567B2 (en) * | 2008-12-17 | 2012-05-01 | United Technologies Corporation | Gas turbine engine airfoil |
GB0913602D0 (en) * | 2009-08-05 | 2009-09-16 | Qinetiq Ltd | Aircraft |
EP2505500B1 (en) | 2011-03-31 | 2016-09-14 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Noise and performance improved rotor blade for a helicopter |
DE102012103704A1 (de) | 2011-04-30 | 2012-10-31 | General Electric Co. | Winglet für einen Rotorflügel einer Windkraftanlage |
US9017036B2 (en) | 2012-02-29 | 2015-04-28 | United Technologies Corporation | High order shaped curve region for an airfoil |
US9103325B2 (en) | 2012-03-20 | 2015-08-11 | General Electric Company | Winglet for a wind turbine rotor blade |
US9845683B2 (en) | 2013-01-08 | 2017-12-19 | United Technology Corporation | Gas turbine engine rotor blade |
RU2538737C9 (ru) * | 2013-02-11 | 2016-12-20 | Сергей Юрьевич Кузиков | Ротор "воздушное колесо". гиростабилизированный летательный аппарат и ветроэнергетическая установка, использующие ротор "воздушное колесо", наземное/палубное устройство их запуска |
CN104044736B (zh) * | 2014-07-08 | 2016-04-13 | 天津宏泽天成科技有限公司 | 无人直升机旋翼桨尖 |
CN104816827B (zh) * | 2015-04-01 | 2017-04-05 | 天峋创新(北京)科技有限公司 | 一种翼尖后掠下反的低诱导阻力直升机旋翼 |
DE102015121502A1 (de) * | 2015-12-10 | 2017-06-14 | Christoph Fraundorfer | Tragschrauberrotorblatt zur autorotatorischen Auftriebserzeugung |
FR3045565B1 (fr) * | 2015-12-21 | 2018-07-27 | Airbus Helicopters | Pale de rotor d'aeronef a geometrie adaptee pour l'ameloration acoustique lors d'un vol d'approche et l'amelioration des performances en vol d'avancement |
FR3045564B1 (fr) | 2015-12-21 | 2018-08-17 | Airbus Helicopters | Pale de rotor d'aeronef a geometrie adaptee pour l'amelioration acoustique lors de vols d'approche et l'amelioration des performances en vols stationnaire et d'avancement |
CN207000809U (zh) * | 2017-04-07 | 2018-02-13 | 深圳市大疆创新科技有限公司 | 桨叶、螺旋桨、动力套装及无人飞行器 |
JP6953322B2 (ja) * | 2018-02-01 | 2021-10-27 | 本田技研工業株式会社 | ファンブレードの形状決定方法 |
CN111688905B (zh) * | 2020-06-10 | 2023-03-24 | 中国空气动力研究与发展中心 | 一种流线追踪轴对称曲面锥流场的双后掠乘波体设计方法 |
US20240067333A1 (en) * | 2022-08-31 | 2024-02-29 | Lockheed Martin Corporation | Method of stabilizing articulated rotor blade |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191106167A (en) * | 1910-03-12 | Edouard Chauviere Lucien | Improvements in Aerial Screw-propellers. | |
US3066742A (en) * | 1957-01-11 | 1962-12-04 | Georgia Tech Res Inst | Rotor blade |
US3728045A (en) * | 1971-09-22 | 1973-04-17 | United Aircraft Corp | Helicopter blade |
US3721507A (en) * | 1971-09-22 | 1973-03-20 | United Aircraft Corp | Blade for high speed helicopter |
FR2479132A1 (fr) * | 1980-03-25 | 1981-10-02 | Aerospatiale | Pale a hautes performances pour rotor d'helicoptere |
FR2536365A1 (fr) * | 1982-11-18 | 1984-05-25 | Onera (Off Nat Aerospatiale) | Pale pour propulseur d'aeronef |
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 |
FR2636593B1 (fr) * | 1988-09-19 | 1990-11-23 | Aerospatiale | Pale pour voilure tournante d'aeronef et voilure tournante comportant une telle pale |
GB9022281D0 (en) * | 1990-10-13 | 1991-02-20 | Westland Helicopters | Helicopter rotor blades |
US5137427A (en) * | 1990-12-20 | 1992-08-11 | United Technologies Corporation | Quiet tail rotor |
-
1992
- 1992-04-09 FR FR929204353A patent/FR2689852B1/fr not_active Expired - Fee Related
-
1993
- 1993-03-24 US US08/036,498 patent/US5332362A/en not_active Expired - Lifetime
- 1993-04-02 DE DE69301577A patent/DE69301577D1/de not_active Expired - Fee Related
- 1993-04-02 EP EP93400855A patent/EP0565413B1/fr not_active Expired - Lifetime
- 1993-04-02 DE DE69301577T patent/DE69301577T4/de not_active Expired - Lifetime
- 1993-04-08 CA CA002093702A patent/CA2093702C/fr not_active Expired - Fee Related
- 1993-04-08 RU RU9393004973A patent/RU2093421C1/ru not_active IP Right Cessation
- 1993-04-09 JP JP08343693A patent/JP3414785B2/ja not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU93004973A (ru) | Лопасть со стреловидной законцовкой для несущего винта летательного аппарата | |
DE69301241D1 (de) | Rotor mit veränderlichem durchmesser und mit verschobener verdrehung | |
US3403893A (en) | Axial flow compressor blades | |
ATE110141T1 (de) | Windmotor. | |
US4093402A (en) | Propeller or a set of wings for a wind mill | |
EP0867363A3 (en) | Rotor blade for rotary wing aircraft. | |
US4102600A (en) | Moving blade ring of high circumferential speed for thermal axially passed through turbines | |
US3173490A (en) | Propeller blade for vtol aircraft | |
KR920011865A (ko) | 저 소음 미부 로우터 | |
US4979876A (en) | Foldable propulsion system | |
US4636143A (en) | Propeller for gaseous and fluidic media | |
GB2032064A (en) | Hydrodynamic torque converters | |
DE3716326A1 (de) | Propeller | |
KR930006317A (ko) | 축방향 유동 터어번 | |
JPS60500221A (ja) | 特異な風力エネルギ−を変換するためのタ−ビン | |
KR880003092A (ko) | 증기 터어빈 블레이드 | |
US2938585A (en) | High-lift propeller blade section | |
DK0577456T3 (da) | Drejelig propelomrører | |
SU868103A1 (ru) | Ветроколесо | |
US5176501A (en) | Propeller with an elastic sleeve | |
KR970001999A (ko) | 전자레인지의 축류팬 | |
SU1733680A1 (ru) | Лопасть ветроколеса | |
GB808740A (en) | Improvements in bladed rotors, and in particular in ship propellers | |
RU96102400A (ru) | Аэродинамический возбудитель вибрации крыла самолета | |
SU1657720A1 (ru) | Ветроколесо |