IT1146239B - Profili alari per l'impiego su rotori di elicotteri - Google Patents

Profili alari per l'impiego su rotori di elicotteri

Info

Publication number
IT1146239B
IT1146239B IT49742/80A IT4974280A IT1146239B IT 1146239 B IT1146239 B IT 1146239B IT 49742/80 A IT49742/80 A IT 49742/80A IT 4974280 A IT4974280 A IT 4974280A IT 1146239 B IT1146239 B IT 1146239B
Authority
IT
Italy
Prior art keywords
wing profiles
helicopter rotors
helicopter
rotors
wing
Prior art date
Application number
IT49742/80A
Other languages
English (en)
Other versions
IT8049742A0 (it
Inventor
Leone U Dadone
Original Assignee
Boeing Co
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 Boeing Co filed Critical Boeing Co
Publication of IT8049742A0 publication Critical patent/IT8049742A0/it
Application granted granted Critical
Publication of IT1146239B publication Critical patent/IT1146239B/it

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/10—Shape of wings
    • B64C3/14—Aerofoil profile
    • B64C2003/147—Aerofoil profile comprising trailing edges of particular shape
    • 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)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Wind Motors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT49742/80A 1979-09-28 1980-09-25 Profili alari per l'impiego su rotori di elicotteri IT1146239B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/079,706 US4314795A (en) 1979-09-28 1979-09-28 Advanced airfoils for helicopter rotor application

Publications (2)

Publication Number Publication Date
IT8049742A0 IT8049742A0 (it) 1980-09-25
IT1146239B true IT1146239B (it) 1986-11-12

Family

ID=22152268

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49742/80A IT1146239B (it) 1979-09-28 1980-09-25 Profili alari per l'impiego su rotori di elicotteri

Country Status (6)

Country Link
US (1) US4314795A (it)
JP (1) JPS5695799A (it)
DE (1) DE3036353C2 (it)
FR (1) FR2466393A1 (it)
GB (1) GB2059373B (it)
IT (1) IT1146239B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490586A1 (fr) * 1980-09-24 1982-03-26 Aerospatiale Profil de pale pour voilure tournante d'aeronef
US4519746A (en) * 1981-07-24 1985-05-28 United Technologies Corporation Airfoil blade
DE3310937C2 (de) * 1982-10-09 1984-10-31 Dornier Gmbh, 7990 Friedrichshafen Propellerblatt, insbesondere für den Vortrieb von Luftfahrzeugen
US4569633A (en) * 1983-04-18 1986-02-11 United Technologies Corporation Airfoil section for a rotor blade of a rotorcraft
US4867396A (en) * 1983-05-18 1989-09-19 Lockheed Corporation Micro flap trailing edge device for an aircraft wing
US4844698A (en) * 1986-06-17 1989-07-04 Imc Magnetics Corp. Propeller blade
USRE34109E (en) * 1986-06-17 1992-10-20 Imc Magnetics Corp. Propeller blade
USRE33589E (en) * 1986-09-03 1991-05-14 United Technologies Corporation Helicopter blade airfoil
US4744728A (en) * 1986-09-03 1988-05-17 United Technologies Corporation Helicopter blade airfoil
US4858852A (en) * 1987-06-01 1989-08-22 Mcdonnell Douglas Corporation Divergent trailing-edge airfoil
JP2633413B2 (ja) * 1991-06-03 1997-07-23 富士重工業株式会社 回転翼航空機の回転翼羽根
GB9112835D0 (en) * 1991-06-14 1992-05-27 Westland Helicopters Helicopter rotor blades
US5318249A (en) * 1992-04-14 1994-06-07 The Boeing Company Curled trailing edge airfoil
DE69420603T2 (de) * 1993-03-13 1999-12-30 Gkn Westland Helicopters Ltd., Yeovil Drehbare Blätter
JP3544711B2 (ja) * 1994-08-02 2004-07-21 富士重工業株式会社 回転翼航空機の回転翼羽根
JP2728651B2 (ja) 1996-03-08 1998-03-18 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタブレード用翼型
JP2955532B2 (ja) * 1997-02-14 1999-10-04 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタブレード用翼型
FR2765187B1 (fr) 1997-06-25 1999-08-27 Onera (Off Nat Aerospatiale) Profil de pale pour voilure tournante d'aeronef et pale pour voilure tournante presentant un tel profil
JP3051366B2 (ja) * 1997-10-23 2000-06-12 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタブレード用翼型
US6378802B1 (en) * 1998-05-04 2002-04-30 Manuel Munoz Saiz Enhance aerodynamic profile
JP3051398B1 (ja) 1999-02-23 2000-06-12 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタブレ―ド用翼型およびヘリコプタブレ―ド
DE10147827A1 (de) 2001-09-27 2003-04-24 Airbus Gmbh Vorrichtung zur Änderung der Quertriebsgröße eines Flugzeughauptelementes mit vorzugsweise flächenförmiger Hinterkante
US20040206852A1 (en) * 2003-04-16 2004-10-21 Saiz Manuel Munoz Aerodynamic profile
US7014142B2 (en) * 2004-02-03 2006-03-21 The Boeing Company Low-drag rotor/wing flap
US20070264121A1 (en) * 2006-05-10 2007-11-15 Miller James W Torsion blade pivot windmill
EP2031242A1 (en) * 2007-08-29 2009-03-04 Lm Glasfiber A/S A blade element for mounting on a wind turbine blade and a method of changing the aerodynamic profile of a wind turbine blade
EP2612811B1 (en) * 2012-01-06 2015-06-24 Airbus Operations GmbH Aircraft wing trailing edge section with an adjustment body
US10696387B2 (en) 2013-09-27 2020-06-30 Dann M Allen Helicopter rotor with a mechanical means for configuring rotor tips to control brown outs
RU2558539C1 (ru) * 2014-04-30 2015-08-10 Федеральное государственное унитарное предприятие "Центральный аэрогидродинамический институт имени профессора Н.Е. Жуковского" (ФГУП "ЦАГИ") Аэродинамический профиль поперечного сечения несущей поверхности
EP3112258B1 (en) * 2015-07-03 2017-09-13 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Airfoils for rotor blades of rotary wing aircrafts
US9868525B2 (en) * 2015-09-25 2018-01-16 The Boeing Company Low speed airfoil design for aerodynamic improved performance of UAVs
US10138735B2 (en) * 2015-11-04 2018-11-27 General Electric Company Turbine airfoil internal core profile
JP6626527B2 (ja) * 2018-04-27 2019-12-25 川崎重工業株式会社 回転翼航空機用ブレード翼型、このブレード翼型を有するブレード、およびこのブレードを備える回転翼航空機

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614639A (en) * 1944-05-15 1952-10-21 Nat D Etudes & De Rech S Aeron Rotary wing device
GB732112A (en) * 1952-01-05 1955-06-22 Philip Howard Francis Colomb Improvement in helicopter rotors and the like
US3173490A (en) * 1962-07-25 1965-03-16 Hiller Aircraft Company Inc Propeller blade for vtol aircraft
US3343512A (en) * 1966-05-20 1967-09-26 Francis R Rasmussen Hydrofoil with unsymmetrical nose profile
US3721507A (en) * 1971-09-22 1973-03-20 United Aircraft Corp Blade for high speed helicopter
GB1391940A (en) * 1971-09-22 1975-04-23 United Aircraft Corp Helicopter rotor blades
US3728045A (en) * 1971-09-22 1973-04-17 United Aircraft Corp Helicopter blade
US3822105A (en) * 1971-09-22 1974-07-02 United Aircraft Corp Helicopter blade
DE2401684C2 (de) * 1974-01-15 1982-05-19 The Boeing Co., Seattle, Wash. Rotorblatt
FR2261177A1 (en) * 1974-02-20 1975-09-12 Boeing Co Aerodynamic rotor blade for helicopter - has an airfoil profile with component which has thickness distribution based on NACA series
US4142837A (en) * 1977-11-11 1979-03-06 United Technologies Corporation Helicopter blade

Also Published As

Publication number Publication date
US4314795A (en) 1982-02-09
FR2466393A1 (fr) 1981-04-10
FR2466393B1 (it) 1984-12-14
DE3036353C2 (de) 1986-06-26
IT8049742A0 (it) 1980-09-25
JPS6234600B2 (it) 1987-07-28
DE3036353A1 (de) 1981-04-16
GB2059373B (en) 1983-09-01
GB2059373A (en) 1981-04-23
JPS5695799A (en) 1981-08-03

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970925