DE3769903D1 - Hubschrauberrotorblattprofil. - Google Patents

Hubschrauberrotorblattprofil.

Info

Publication number
DE3769903D1
DE3769903D1 DE8787630148T DE3769903T DE3769903D1 DE 3769903 D1 DE3769903 D1 DE 3769903D1 DE 8787630148 T DE8787630148 T DE 8787630148T DE 3769903 T DE3769903 T DE 3769903T DE 3769903 D1 DE3769903 D1 DE 3769903D1
Authority
DE
Germany
Prior art keywords
rotor blade
blade profile
helicopter rotor
helicopter
profile
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8787630148T
Other languages
English (en)
Inventor
David Alan Lednicer
Stephen John Owen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE3769903D1 publication Critical patent/DE3769903D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B64C27/467—Aerodynamic features

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Toys (AREA)
DE8787630148T 1986-09-03 1987-08-19 Hubschrauberrotorblattprofil. Expired - Lifetime DE3769903D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/903,169 US4744728A (en) 1986-09-03 1986-09-03 Helicopter blade airfoil

Publications (1)

Publication Number Publication Date
DE3769903D1 true DE3769903D1 (de) 1991-06-13

Family

ID=25417055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787630148T Expired - Lifetime DE3769903D1 (de) 1986-09-03 1987-08-19 Hubschrauberrotorblattprofil.

Country Status (6)

Country Link
US (1) US4744728A (de)
EP (1) EP0262071B1 (de)
JP (1) JP2620087B2 (de)
AU (1) AU598015B2 (de)
CA (1) CA1295310C (de)
DE (1) DE3769903D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0138800B1 (de) * 1983-08-17 1990-05-23 Oscar Asboth Luftschraube
FR2636593B1 (fr) * 1988-09-19 1990-11-23 Aerospatiale Pale pour voilure tournante d'aeronef et voilure tournante comportant une telle pale
JP3040611B2 (ja) * 1992-09-17 2000-05-15 三菱重工業株式会社 低騒音ヘリコプタ
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
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
US20020005458A1 (en) * 2000-06-09 2002-01-17 Carter Jay W. Airfoil suitable for forward and reverse flow
US8842000B2 (en) 2012-07-17 2014-09-23 4Front Engineered Solutions, Inc. Fire control systems
US9132914B2 (en) 2012-07-30 2015-09-15 Sikorsky Aircraft Corporation Low drag high restoring moment airfoils
US9874214B2 (en) 2014-01-28 2018-01-23 4Front Engineered Solutions, Inc. Fan with fan blade mounting structure
US9726192B2 (en) 2015-03-31 2017-08-08 Assa Abloy Entrance Systems Ab Fan blades and associated blade tips
EP3112258B1 (de) * 2015-07-03 2017-09-13 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Schaufeln für rotorblätter von drehflüglerluftfahrzeugen
CN107444611B (zh) * 2017-08-01 2020-04-21 中国航空工业集团公司西安飞机设计研究所 一种高升力通用飞机翼型
CN116750183B (zh) * 2023-04-03 2024-07-12 西北工业大学 一种考虑背负式动力影响的高升阻比飞翼布局翼型

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728045A (en) * 1971-09-22 1973-04-17 United Aircraft Corp Helicopter blade
US4142837A (en) * 1977-11-11 1979-03-06 United Technologies Corporation Helicopter blade
US4248572A (en) * 1978-12-11 1981-02-03 United Technologies Corporation Helicopter blade
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
US4314795A (en) * 1979-09-28 1982-02-09 The Boeing Company Advanced airfoils for helicopter rotor application
US4412664A (en) * 1982-06-25 1983-11-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Family of airfoil shapes for rotating blades
DE3310937C2 (de) * 1982-10-09 1984-10-31 Dornier Gmbh, 7990 Friedrichshafen Propellerblatt, insbesondere für den Vortrieb von Luftfahrzeugen
FR2536365A1 (fr) * 1982-11-18 1984-05-25 Onera (Off Nat Aerospatiale) Pale pour propulseur d'aeronef
JPS59134096A (ja) * 1983-01-21 1984-08-01 防衛庁技術研究本部長 回転翼用の翼型
US4569633A (en) * 1983-04-18 1986-02-11 United Technologies Corporation Airfoil section for a rotor blade of a rotorcraft

Also Published As

Publication number Publication date
AU598015B2 (en) 1990-06-14
US4744728A (en) 1988-05-17
EP0262071B1 (de) 1991-05-08
JPS6364894A (ja) 1988-03-23
JP2620087B2 (ja) 1997-06-11
AU7714587A (en) 1988-03-10
EP0262071A1 (de) 1988-03-30
CA1295310C (en) 1992-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition