PT2123557E - Pá de rotor antitorção da cauda para helicóptero - Google Patents

Pá de rotor antitorção da cauda para helicóptero Download PDF

Info

Publication number
PT2123557E
PT2123557E PT08425368T PT08425368T PT2123557E PT 2123557 E PT2123557 E PT 2123557E PT 08425368 T PT08425368 T PT 08425368T PT 08425368 T PT08425368 T PT 08425368T PT 2123557 E PT2123557 E PT 2123557E
Authority
PT
Portugal
Prior art keywords
blade
leading edge
trailing edge
tail rotor
rotor blade
Prior art date
Application number
PT08425368T
Other languages
English (en)
Inventor
Alessandro Scandroglio
Alan Brocklehurst
Original Assignee
Agusta Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agusta Spa filed Critical Agusta Spa
Publication of PT2123557E publication Critical patent/PT2123557E/pt

Links

Classifications

    • 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
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/467—Aerodynamic features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Toys (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Electroluminescent Light Sources (AREA)
  • Supercharger (AREA)
  • Hydraulic Turbines (AREA)
  • Paper (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
PT08425368T 2008-05-22 2008-05-22 Pá de rotor antitorção da cauda para helicóptero PT2123557E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08425368A EP2123557B1 (en) 2008-05-22 2008-05-22 Helicopter antitorque tail rotor blade

Publications (1)

Publication Number Publication Date
PT2123557E true PT2123557E (pt) 2011-07-20

Family

ID=40436419

Family Applications (1)

Application Number Title Priority Date Filing Date
PT08425368T PT2123557E (pt) 2008-05-22 2008-05-22 Pá de rotor antitorção da cauda para helicóptero

Country Status (11)

Country Link
US (1) US8056851B2 (pt)
EP (1) EP2123557B1 (pt)
JP (1) JP5524512B2 (pt)
KR (1) KR101634178B1 (pt)
CN (1) CN101585412B (pt)
AT (1) ATE507144T1 (pt)
CA (1) CA2666266C (pt)
DE (1) DE602008006532D1 (pt)
PL (1) PL2123557T3 (pt)
PT (1) PT2123557E (pt)
RU (1) RU2494013C2 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111717381A (zh) * 2020-06-29 2020-09-29 西北工业大学 用于高速直升机旋翼桨根的非对称双钝头翼型及设计方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2987346B1 (fr) * 2012-02-27 2014-08-29 Eurocopter France Pale de rotor, rotor, aeronef, et procede
CN102778903B (zh) * 2012-06-28 2016-02-17 南京航空航天大学 直升机无尾桨反扭矩系统用压力控制装置
US9441495B2 (en) * 2013-02-27 2016-09-13 Sikorsky Aircraft Corporation Rotary wing aircraft pitch beam attachment with anti-rotation plate design
US10906638B2 (en) 2016-01-29 2021-02-02 Sikorsky Aircraft Corporation Helicopter tail rotor blades and blade assemblies
CN206954494U (zh) * 2017-06-30 2018-02-02 深圳市大疆创新科技有限公司 螺旋桨、动力组件及飞行器

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637321A (en) * 1968-12-04 1972-01-25 Andrei Vladimirovich Nekrasov Tail rotor of a helicopter
US4028003A (en) * 1976-04-12 1977-06-07 United Technologies Corporation Torsionally compliant helicopter rotor blade with improved stability and performance characteristics
US4349316A (en) * 1979-04-24 1982-09-14 Textron, Inc. Twist control for helicopter tail rotor pitch change
US4332525A (en) * 1979-12-03 1982-06-01 United Technologies Corporation Matched stiffness rotor flexbeam and blade system
FR2542695B1 (fr) * 1983-03-18 1985-07-26 Aerospatiale Helice multipale a pas variable a pale s en materiaux composites demontables individuellement, procede de fabrication de telles pales et pales ainsi realisees
IT8553439V0 (it) * 1985-05-30 1985-05-30 Agusta Aeronaut Costr Elicottero
US4844698A (en) * 1986-06-17 1989-07-04 Imc Magnetics Corp. Propeller blade
IT1196800B (it) * 1986-11-25 1988-11-25 Agusta Aeronaut Costr Rotore anticoppia per elicotteri
FR2628062B1 (fr) * 1988-03-07 1990-08-10 Aerospatiale 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
US5137427A (en) * 1990-12-20 1992-08-11 United Technologies Corporation Quiet tail rotor
US5263821A (en) * 1991-01-15 1993-11-23 United Technologies Corporation Mid-beam jointed reconfigurable bearingless main rotor assembly
US5167384A (en) * 1991-02-08 1992-12-01 Krepak John C Increasing lift on helicopter rotor blades and aircraft propellers
FR2684351B1 (fr) * 1991-12-02 1994-02-04 Aerospatiale Ste Nationale Indle Rotor multipale a pas variable, notamment pour systeme arriere anticouple d'aeronef a voilure tournante.
FR2719549B1 (fr) * 1994-05-04 1996-07-26 Eurocopter France Dispositif anti-couple à rotor caréné et modulation de phase des pales, pour hélicoptère.
US5607122A (en) * 1994-12-22 1997-03-04 Bell Helicopter Textron Inc. Tail rotor authority control for a helicopter
US5690474A (en) * 1996-07-18 1997-11-25 Sikorsky Aircraft Corporation Optimized composite flexbeam for helicopter tail rotors
US6641365B2 (en) * 1998-02-20 2003-11-04 Abraham E. Karem Optimum speed tilt rotor
JP3189251B2 (ja) * 1999-03-12 2001-07-16 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
US6764280B2 (en) * 2001-03-06 2004-07-20 Bell Helicopter Textron Inc. Multi-bladed tail rotor hub design for coriolis relief
WO2003020583A2 (en) * 2001-09-04 2003-03-13 Arlton Paul E Rotor system for helicopters
RU2230003C1 (ru) * 2002-09-27 2004-06-10 Сиротинский Борис Симонович Лопасть рулевого винта вертолета
US6974105B2 (en) * 2003-01-09 2005-12-13 Roger N Pham High performance VTOL convertiplanes
DE60321390D1 (de) * 2003-01-23 2008-07-10 Bell Helicopter Textron Inc Propellerblatt mit führungskantennut
US7281900B2 (en) * 2005-05-13 2007-10-16 The Boeing Company Cascade rotor blade for low noise
RU2314230C1 (ru) * 2006-06-14 2008-01-10 Открытое акционерное общество "Камов" Лопасть несущего винта вертолета
US7926759B2 (en) * 2007-11-28 2011-04-19 The Boeing Company Tail rotor hub
FR2927880B1 (fr) * 2008-02-27 2010-08-20 Eurocopter France Helicoptere muni d'une pluralite d'elements sustentateurs pourvu d'un volet pour commander l'incidence de ses pales

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111717381A (zh) * 2020-06-29 2020-09-29 西北工业大学 用于高速直升机旋翼桨根的非对称双钝头翼型及设计方法
CN111717381B (zh) * 2020-06-29 2021-10-08 西北工业大学 用于高速直升机旋翼桨根的非对称双钝头翼型及设计方法

Also Published As

Publication number Publication date
JP5524512B2 (ja) 2014-06-18
ATE507144T1 (de) 2011-05-15
US20100092294A1 (en) 2010-04-15
JP2009280203A (ja) 2009-12-03
US8056851B2 (en) 2011-11-15
CN101585412B (zh) 2013-09-25
CA2666266A1 (en) 2009-11-22
RU2494013C2 (ru) 2013-09-27
CA2666266C (en) 2016-04-12
EP2123557B1 (en) 2011-04-27
DE602008006532D1 (de) 2011-06-09
KR20090122148A (ko) 2009-11-26
PL2123557T3 (pl) 2011-10-31
KR101634178B1 (ko) 2016-06-28
CN101585412A (zh) 2009-11-25
RU2009119055A (ru) 2010-11-27
EP2123557A1 (en) 2009-11-25

Similar Documents

Publication Publication Date Title
PL2123556T3 (pl) Łopatka śmigła ogonowego śmigłowca
IN2012DN05065A (pt)
PT2123557E (pt) Pá de rotor antitorção da cauda para helicóptero
CN102889184B (zh) 带有中间连接组件的风力发电机叶片多部件抗剪腹板
EP2540974A3 (en) Fan blade with sheath
WO2011029882A3 (en) Wind turbine rotor blade
ATE454552T1 (de) Blatt für einen windturbinenrotor
WO2008077403A3 (en) Wind turbine with rotor blades equipped with winglets and blades for such rotor
WO2014149098A3 (en) Hollow fan blade with extended wing sheath
EP2634417A3 (en) Blade insert for a wind turbine rotor blade and related methods
WO2008035135A3 (en) First stage turbine airfoil
MX2013011010A (es) Pala del rotor de aerogenerador.
MX342372B (es) Alabe para un generador eolico y metodo para el montaje de dicho alabe.
WO2012134833A3 (en) High camber compressor rotor blade
FR2965315B1 (fr) Helice pour ventilateur dont l'angle de calage varie
ATE504738T1 (de) Windturbinenrotorschaufel
GB2490425B (en) Interlocking blade sheath
MX357626B (es) Turbina de eje vertical.
EP2716906A3 (en) Noise reduction tab and method for wind turbine rotor blade
EP2256296A3 (en) Reinforced composite fan blade
DK201370122A (en) Two or three wind turbine blades as one unit
CL2014003280A1 (es) Un ensamble de aspa de rotor de turbina eolica, comprende al menos dos secciones de aspa, una de dichas secciones tiene al menos una cavidad en una porcion de extremo de union, y la otra seccion tiene al menos una saliente; metodo; un aspa para un rotor de turbina eolica; un rotor; y una turbina.
GB201101582D0 (en) A wind turbine blade
PL1524431T3 (pl) Łopata wirnikowa silnika wiatrowego wyposażona w tylną klapę
WO2011106733A3 (en) Advanced aerodynamic and structural blade and wing design