DE69714947T2 - Rotorblatt eines Drehflügelflugzeuges mit Pfeilblattspitze - Google Patents

Rotorblatt eines Drehflügelflugzeuges mit Pfeilblattspitze

Info

Publication number
DE69714947T2
DE69714947T2 DE69714947T DE69714947T DE69714947T2 DE 69714947 T2 DE69714947 T2 DE 69714947T2 DE 69714947 T DE69714947 T DE 69714947T DE 69714947 T DE69714947 T DE 69714947T DE 69714947 T2 DE69714947 T2 DE 69714947T2
Authority
DE
Germany
Prior art keywords
wing aircraft
rotary wing
arrow
blade
rotor blade
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
DE69714947T
Other languages
English (en)
Other versions
DE69714947D1 (de
Inventor
Francois Valentin Gast Toulmay
Joelle Marguerite Zibi
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Airbus Helicopters SAS
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
Eurocopter France SA
Eurocopter SA
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 Office National dEtudes et de Recherches Aerospatiales ONERA, Eurocopter France SA, Eurocopter SA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Publication of DE69714947D1 publication Critical patent/DE69714947D1/de
Application granted granted Critical
Publication of DE69714947T2 publication Critical patent/DE69714947T2/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
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69714947T 1996-11-19 1997-11-05 Rotorblatt eines Drehflügelflugzeuges mit Pfeilblattspitze Expired - Lifetime DE69714947T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9614066A FR2755941B1 (fr) 1996-11-19 1996-11-19 Pale a extremite en fleche pour voilure tournante d'aeronef

Publications (2)

Publication Number Publication Date
DE69714947D1 DE69714947D1 (de) 2002-10-02
DE69714947T2 true DE69714947T2 (de) 2003-04-24

Family

ID=9497748

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714947T Expired - Lifetime DE69714947T2 (de) 1996-11-19 1997-11-05 Rotorblatt eines Drehflügelflugzeuges mit Pfeilblattspitze

Country Status (8)

Country Link
US (1) US6000911A (de)
EP (1) EP0842846B1 (de)
JP (1) JP3802209B2 (de)
CN (1) CN1077859C (de)
DE (1) DE69714947T2 (de)
FR (1) FR2755941B1 (de)
RU (1) RU2139811C1 (de)
ZA (1) ZA979933B (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2793766B1 (fr) 1999-05-21 2001-07-13 Eurocopter France Pale pour voilure tournante d'aeronef
US6497385B1 (en) 2000-11-08 2002-12-24 Continuum Dynamics, Inc. Rotor blade with optimized twist distribution
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
US7946526B2 (en) * 2004-11-05 2011-05-24 Nachman Zimet Rotary-wing vehicle system
US7252479B2 (en) * 2005-05-31 2007-08-07 Sikorsky Aircraft Corporation Rotor blade for a high speed rotary-wing aircraft
US7600976B2 (en) * 2005-05-31 2009-10-13 Sikorsky Aircraft Corporation Rotor blade twist distribution for a high speed rotary-wing aircraft
BE1016960A3 (nl) 2006-01-19 2007-11-06 Rostyne Alexander Jozef Magdal Verbeterde helikopter.
US8002604B2 (en) 2006-01-19 2011-08-23 Silverlit Limited Remote controlled toy helicopter
US8357023B2 (en) 2006-01-19 2013-01-22 Silverlit Limited Helicopter
US7883392B2 (en) 2008-08-04 2011-02-08 Silverlit Toys Manufactory Ltd. Toy helicopter
US7662013B2 (en) 2006-01-19 2010-02-16 Silverlit Toys Manufactory Ltd. Helicopter with horizontal control
US7815482B2 (en) 2006-01-19 2010-10-19 Silverlit Toys Manufactory, Ltd. Helicopter
US7854593B2 (en) * 2006-02-16 2010-12-21 Sikorsky Aircraft Corporation Airfoil for a helicopter rotor blade
US8016566B2 (en) * 2006-08-03 2011-09-13 Bell Helicopter Textron Inc. High performance low noise rotorcraft blade aerodynamic design
US7762785B2 (en) * 2007-12-10 2010-07-27 Sikorsky Aircraft Corporation Main rotor blade with integral tip section
PL2123556T3 (pl) * 2008-05-22 2011-04-29 Agusta Spa Łopatka śmigła ogonowego śmigłowca
US7854595B2 (en) * 2008-07-30 2010-12-21 General Electric Company Wind turbine blade tip shapes
US8052500B2 (en) 2008-11-25 2011-11-08 Silverlit Limited Helicopter with main and auxiliary rotors
EP2505500B1 (de) * 2011-03-31 2016-09-14 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Lärm- und leistungsverbessertes rotorblatt für einen helikopter
FR3005301B1 (fr) * 2013-05-03 2015-05-29 Eurocopter France Rotor carene d'aeronef, et giravion
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
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
CN105947160B (zh) * 2016-05-05 2018-07-24 哈尔滨工程大学 一种降低叶根处应力并减小梢涡的螺旋桨
US10858088B2 (en) * 2016-08-31 2020-12-08 David E. Shormann Biomimetic airfoil bodies and methods of designing and making same
EP3293112B1 (de) 2016-09-07 2018-12-05 Leonardo S.p.A. Rotor für schwebefähiges flugzeug und zugehöriges verfahren zu dessen steuerung
CN108688794A (zh) * 2018-04-18 2018-10-23 中山市朗宇模型有限公司 螺旋桨
WO2019227268A1 (zh) * 2018-05-28 2019-12-05 深圳市大疆创新科技有限公司 螺旋桨组件、动力组件及飞行器
WO2019241725A1 (en) * 2018-06-15 2019-12-19 The Texas A&M University System Hover-capable aircraft
US11999466B2 (en) 2019-11-14 2024-06-04 Skydio, Inc. Ultra-wide-chord propeller
CN112173075B (zh) * 2020-09-25 2022-12-30 中国直升机设计研究所 一种直升机低噪声旋翼桨叶气动外形
CN112977816B (zh) * 2021-05-17 2021-08-06 北京三快在线科技有限公司 旋翼飞行器的桨叶及旋翼飞行器
CN114560082B (zh) * 2022-02-16 2023-07-04 西南科技大学 一种能有效控制桨尖涡的组合修形的桨尖结构及设计方法
US20230322373A1 (en) * 2022-03-28 2023-10-12 Lockheed Martin Corporation High speed rotor blade design

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066742A (en) * 1957-01-11 1962-12-04 Georgia Tech Res Inst Rotor blade
GB1538055A (en) 1975-05-19 1979-01-10 Westland Aircraft Ltd Helicopter rotor blades
US4130377A (en) * 1977-07-13 1978-12-19 United Technologies Corporation Helicopter blade and rotor
US4324530A (en) 1980-01-21 1982-04-13 United Technologies Corp. Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency
FR2617118B1 (fr) * 1987-06-29 1992-08-21 Aerospatiale Pale a extremite courbe pour voilure tournante d'aeronef
FR2636593B1 (fr) * 1988-09-19 1990-11-23 Aerospatiale Pale pour voilure tournante d'aeronef et voilure tournante comportant une telle pale
FR2689852B1 (fr) * 1992-04-09 1994-06-17 Eurocopter France Pale pour voilure tournante d'aeronef, a extremite en fleche.

Also Published As

Publication number Publication date
DE69714947D1 (de) 2002-10-02
EP0842846A1 (de) 1998-05-20
CN1185399A (zh) 1998-06-24
ZA979933B (en) 1998-05-25
US6000911A (en) 1999-12-14
FR2755941B1 (fr) 1999-01-15
JP3802209B2 (ja) 2006-07-26
FR2755941A1 (fr) 1998-05-22
JPH1199994A (ja) 1999-04-13
CN1077859C (zh) 2002-01-16
RU2139811C1 (ru) 1999-10-20
EP0842846B1 (de) 2002-08-28

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Legal Events

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