DE602005001948D1 - Rotorblatt mit doppelter Pfeilung und begrenzter Verjüngung - Google Patents

Rotorblatt mit doppelter Pfeilung und begrenzter Verjüngung

Info

Publication number
DE602005001948D1
DE602005001948D1 DE602005001948T DE602005001948T DE602005001948D1 DE 602005001948 D1 DE602005001948 D1 DE 602005001948D1 DE 602005001948 T DE602005001948 T DE 602005001948T DE 602005001948 T DE602005001948 T DE 602005001948T DE 602005001948 D1 DE602005001948 D1 DE 602005001948D1
Authority
DE
Germany
Prior art keywords
rotor blade
double sweep
limited taper
taper
limited
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.)
Active
Application number
DE602005001948T
Other languages
English (en)
Other versions
DE602005001948T2 (de
Inventor
Daniele Falchero
Gilles Arnaud
Frederic Beroul
Joelle Bailly
Philippe Baumier
Yves Delrieux
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 DE602005001948D1 publication Critical patent/DE602005001948D1/de
Application granted granted Critical
Publication of DE602005001948T2 publication Critical patent/DE602005001948T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
  • Soil Working Implements (AREA)
DE602005001948T 2004-01-21 2005-01-18 Rotorblatt mit begrenzter doppelter Pfeilung und Verjüngung Active DE602005001948T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0400529A FR2865189B1 (fr) 2004-01-21 2004-01-21 Pale de voilure tournante a double fleche et effilement limites.
FR0400529 2004-01-21

Publications (2)

Publication Number Publication Date
DE602005001948D1 true DE602005001948D1 (de) 2007-09-27
DE602005001948T2 DE602005001948T2 (de) 2008-05-15

Family

ID=34630654

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005001948T Active DE602005001948T2 (de) 2004-01-21 2005-01-18 Rotorblatt mit begrenzter doppelter Pfeilung und Verjüngung

Country Status (6)

Country Link
US (1) US7331765B2 (de)
EP (1) EP1557354B1 (de)
JP (1) JP4551778B2 (de)
CN (1) CN100376456C (de)
DE (1) DE602005001948T2 (de)
FR (1) FR2865189B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8128376B2 (en) * 2005-08-15 2012-03-06 Abe Karem High performance outboard section for rotor blades
FR2912990B1 (fr) 2007-02-23 2009-04-24 Eurocopter France Pale de giravion pourvue d'un troncon radial et d'au moins un troncon en fleche avant et/ou arriere
US8066219B2 (en) * 2008-04-25 2011-11-29 Karem Aircraft, Inc. Anhedral tip blades for tiltrotor aircraft
FR2957893B1 (fr) 2010-03-23 2013-04-05 Eurocopter France Pale de voilure tournante, aeronef a voilure tournante muni d'une telle pale
NL2004555C2 (en) * 2010-04-15 2011-10-18 Green X B V Wing for generating lift from an incident flow.
EP2505500B1 (de) 2011-03-31 2016-09-14 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Lärm- und leistungsverbessertes rotorblatt für einen helikopter
CN104317982B (zh) * 2014-08-26 2018-12-11 中国直升机设计研究所 一种开口直流式风洞低噪声设计方法
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
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
CN105923155B (zh) * 2016-06-08 2018-11-23 南京航空航天大学 一种用于旋翼飞行器的低噪声桨叶
CN106218886A (zh) * 2016-08-18 2016-12-14 上海未来伙伴机器人有限公司 多旋翼机桨叶以及多旋翼机
US20210253232A1 (en) * 2018-06-15 2021-08-19 The Texas A&M University System Hover-capable aircraft
CN112173077A (zh) * 2020-09-25 2021-01-05 中国直升机设计研究所 一种大前后掠组合的直升机旋翼桨叶
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617118B1 (fr) * 1987-06-29 1992-08-21 Aerospatiale Pale a extremite courbe pour voilure tournante d'aeronef
FR2689852B1 (fr) * 1992-04-09 1994-06-17 Eurocopter France Pale pour voilure tournante d'aeronef, a extremite en fleche.
US5584661A (en) * 1994-05-02 1996-12-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Forward sweep, low noise rotor blade
FR2768121B1 (fr) * 1997-09-10 1999-11-19 Onera (Off Nat Aerospatiale) Pale a signature sonore reduite, pour voilure tournante d'aeronef, et voilure tournante comportant une telle pale
JP3644497B2 (ja) * 2001-04-16 2005-04-27 防衛庁技術研究本部長 回転翼航空機のロータ・ブレード
US20050281676A1 (en) * 2004-06-16 2005-12-22 Egolf Thomas A Multi-hedral rotary wing

Also Published As

Publication number Publication date
DE602005001948T2 (de) 2008-05-15
JP2005206148A (ja) 2005-08-04
FR2865189B1 (fr) 2007-02-16
EP1557354B1 (de) 2007-08-15
US20050158175A1 (en) 2005-07-21
EP1557354A1 (de) 2005-07-27
CN100376456C (zh) 2008-03-26
JP4551778B2 (ja) 2010-09-29
CN1644454A (zh) 2005-07-27
FR2865189A1 (fr) 2005-07-22
US7331765B2 (en) 2008-02-19

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Legal Events

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