IN170725B - - Google Patents
Info
- Publication number
- IN170725B IN170725B IN126/CAL/89A IN126CA1989A IN170725B IN 170725 B IN170725 B IN 170725B IN 126CA1989 A IN126CA1989 A IN 126CA1989A IN 170725 B IN170725 B IN 170725B
- Authority
- IN
- India
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/18—Aerodynamic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- B64C2027/8254—Shrouded tail rotors, e.g. "Fenestron" fans
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/05—Variable camber or chord length
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8802873A FR2628062B1 (fr) | 1988-03-07 | 1988-03-07 | Pale pour helice carenee a hautes performances, helice carenee multipale pourvue de telles pales et agencement de rotor de queue a helice carenee pour aeronef a voilure tournante |
Publications (1)
Publication Number | Publication Date |
---|---|
IN170725B true IN170725B (sk) | 1992-05-09 |
Family
ID=9363974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN126/CAL/89A IN170725B (sk) | 1988-03-07 | 1989-02-13 |
Country Status (10)
Country | Link |
---|---|
US (1) | US4927331A (sk) |
EP (1) | EP0332492B1 (sk) |
JP (1) | JP2583603B2 (sk) |
CN (1) | CN1012353B (sk) |
AU (1) | AU610991B2 (sk) |
BR (1) | BR8901146A (sk) |
CA (1) | CA1315257C (sk) |
DE (1) | DE68900252D1 (sk) |
FR (1) | FR2628062B1 (sk) |
IN (1) | IN170725B (sk) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5131604A (en) * | 1991-04-11 | 1992-07-21 | United Technologies Corporation | Helicopter antitorque device |
US5197854A (en) * | 1991-09-05 | 1993-03-30 | Industrial Design Laboratories, Inc. | Axial flow fan |
US5879131A (en) * | 1994-04-25 | 1999-03-09 | Arlton; Paul E. | Main rotor system for model helicopters |
ES2268912B1 (es) * | 2003-03-13 | 2008-02-16 | Indar Maquinas Hidraulicas, S.L | Grupo electrobomba multietapa. |
ITMI20060340A1 (it) * | 2006-02-27 | 2007-08-28 | Nuovo Pignone Spa | Pala di un rotore di un secondo stadio di un compressore |
DE602008003902D1 (de) * | 2008-05-22 | 2011-01-20 | Agusta Spa | Drehmomentausgleichs-Heckrotorblatt für Hubschrauber |
ATE507144T1 (de) * | 2008-05-22 | 2011-05-15 | Agusta Spa | Drehmomentausgleichs-heckrotorblatt für hubschrauber |
DE102008052858B9 (de) * | 2008-10-23 | 2014-06-12 | Senvion Se | Profil eines Rotorblatts und Rotorblatt einer Windenergieanlage |
FR2969120B1 (fr) * | 2010-12-15 | 2013-08-30 | Eurocopter France | Pale amelioree pour dispositif anti-couple d'helicoptere |
CN102616368A (zh) * | 2012-02-22 | 2012-08-01 | 北京科实医学图像技术研究所 | 飞机尾舵设计的改进方案 |
EP2799334B1 (en) | 2013-04-29 | 2016-09-07 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Blade rotary assembly with aerodynamic outer toroid spoiler for a shrouded propulsion rotary assembly |
FR3005301B1 (fr) | 2013-05-03 | 2015-05-29 | Eurocopter France | Rotor carene d'aeronef, et giravion |
DE102013008145A1 (de) * | 2013-05-14 | 2014-11-20 | Man Diesel & Turbo Se | Laufschaufel für einen Verdichter und Verdichter mit einer solchen Laufschaufel |
CN103723261A (zh) * | 2013-11-14 | 2014-04-16 | 林在埤 | 扇行器 |
FR3028838B1 (fr) * | 2014-11-20 | 2016-11-18 | Airbus Helicopters | Aeronef a voilure tournante muni d'un rotor arriere non carene comprenant au moins cinq pales |
EP3061689B1 (en) * | 2015-02-27 | 2017-09-27 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Tail assembly for a rotorcraft, rotorcraft and method of manufacture of a strengthened tail assembly |
GB201702822D0 (en) * | 2017-02-22 | 2017-04-05 | Rolls Royce Plc | A propulsor |
US11040767B2 (en) * | 2017-11-30 | 2021-06-22 | General Electric Company | Systems and methods for improved propeller design |
US11034440B2 (en) * | 2019-03-01 | 2021-06-15 | Textron Innovations Inc. | Tail rotor gearbox support assemblies for helicopters |
CN110470452A (zh) * | 2019-08-05 | 2019-11-19 | 中国航空工业集团公司哈尔滨空气动力研究所 | 风洞试验高速涵道尾桨模型复合材料桨叶装配结构 |
US20240084705A1 (en) * | 2022-09-14 | 2024-03-14 | The Suppes Family Trust | Airfoil Superstructure |
CN116395133B (zh) * | 2023-04-13 | 2024-05-14 | 南京航空航天大学 | 一种飞行器和尾桨及涵道尾桨桨叶 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1050902A (fr) * | 1952-02-15 | 1954-01-12 | Perfectionnements aux ventilateurs hélicoïdes et appareils analogues | |
FR1511006A (fr) * | 1966-12-13 | 1968-01-26 | Sud Aviation | Dispositif directionnel et propulsif pour hélicoptère |
FR1593008A (sk) * | 1968-07-11 | 1970-05-25 | ||
FR2430354A1 (fr) * | 1978-07-07 | 1980-02-01 | Aerospatiale | Helice multipale a pas variable d'un type simplifie |
US4459083A (en) * | 1979-03-06 | 1984-07-10 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Shapes for rotating airfoils |
FR2479132A1 (fr) * | 1980-03-25 | 1981-10-02 | Aerospatiale | Pale a hautes performances pour rotor d'helicoptere |
FR2534222A1 (fr) * | 1982-10-06 | 1984-04-13 | Aerospatiale | Agencement de rotor de queue a poussee accrue pour aeronef a voilure tournante et dispositif pour accroitre la poussee d'un tel agencement |
FR2536365A1 (fr) * | 1982-11-18 | 1984-05-25 | Onera (Off Nat Aerospatiale) | Pale pour propulseur d'aeronef |
US4569633A (en) * | 1983-04-18 | 1986-02-11 | United Technologies Corporation | Airfoil section for a rotor blade of a rotorcraft |
US4652215A (en) * | 1984-04-12 | 1987-03-24 | Nippondenso Co., Ltd. | Variable capacity radial piston pump |
FR2590229B1 (fr) * | 1985-11-19 | 1988-01-29 | Onera (Off Nat Aerospatiale) | Perfectionnements apportes aux helices aeriennes en ce qui concerne le profil de leurs pales |
-
1988
- 1988-03-07 FR FR8802873A patent/FR2628062B1/fr not_active Expired - Fee Related
-
1989
- 1989-02-13 IN IN126/CAL/89A patent/IN170725B/en unknown
- 1989-02-17 AU AU30057/89A patent/AU610991B2/en not_active Ceased
- 1989-02-22 DE DE8989400488T patent/DE68900252D1/de not_active Expired - Fee Related
- 1989-02-22 EP EP89400488A patent/EP0332492B1/fr not_active Expired - Lifetime
- 1989-02-28 US US07/317,286 patent/US4927331A/en not_active Expired - Lifetime
- 1989-03-06 JP JP1052187A patent/JP2583603B2/ja not_active Expired - Lifetime
- 1989-03-06 BR BR898901146A patent/BR8901146A/pt not_active IP Right Cessation
- 1989-03-07 CN CN89101294.XA patent/CN1012353B/zh not_active Expired
- 1989-03-07 CA CA000592996A patent/CA1315257C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1315257C (fr) | 1993-03-30 |
JPH01269699A (ja) | 1989-10-27 |
CN1036182A (zh) | 1989-10-11 |
FR2628062A1 (fr) | 1989-09-08 |
EP0332492A1 (fr) | 1989-09-13 |
AU610991B2 (en) | 1991-05-30 |
AU3005789A (en) | 1989-09-07 |
FR2628062B1 (fr) | 1990-08-10 |
BR8901146A (pt) | 1989-10-31 |
EP0332492B1 (fr) | 1991-09-11 |
DE68900252D1 (de) | 1991-10-17 |
US4927331A (en) | 1990-05-22 |
CN1012353B (zh) | 1991-04-17 |
JP2583603B2 (ja) | 1997-02-19 |