FR2793766B1 - Pale pour voilure tournante d'aeronef - Google Patents

Pale pour voilure tournante d'aeronef

Info

Publication number
FR2793766B1
FR2793766B1 FR9906452A FR9906452A FR2793766B1 FR 2793766 B1 FR2793766 B1 FR 2793766B1 FR 9906452 A FR9906452 A FR 9906452A FR 9906452 A FR9906452 A FR 9906452A FR 2793766 B1 FR2793766 B1 FR 2793766B1
Authority
FR
France
Prior art keywords
turning blade
aircraft turning
aircraft
blade
turning
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 - Fee Related
Application number
FR9906452A
Other languages
English (en)
Other versions
FR2793766A1 (fr
Inventor
Francois Valentin Gast Toulmay
Mathieu Rebut
Peter Rudolf Stahl
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.)
Airbus Helicopters SAS
Original Assignee
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 Eurocopter France SA, Eurocopter SA filed Critical Eurocopter France SA
Priority to FR9906452A priority Critical patent/FR2793766B1/fr
Priority to US09/573,983 priority patent/US6364615B1/en
Publication of FR2793766A1 publication Critical patent/FR2793766A1/fr
Application granted granted Critical
Publication of FR2793766B1 publication Critical patent/FR2793766B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B64C27/463—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
    • Y10S416/02—Formulas of curves
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR9906452A 1999-05-21 1999-05-21 Pale pour voilure tournante d'aeronef Expired - Fee Related FR2793766B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9906452A FR2793766B1 (fr) 1999-05-21 1999-05-21 Pale pour voilure tournante d'aeronef
US09/573,983 US6364615B1 (en) 1999-05-21 2000-05-19 Blade for the rotary wings of an aircraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9906452A FR2793766B1 (fr) 1999-05-21 1999-05-21 Pale pour voilure tournante d'aeronef

Publications (2)

Publication Number Publication Date
FR2793766A1 FR2793766A1 (fr) 2000-11-24
FR2793766B1 true FR2793766B1 (fr) 2001-07-13

Family

ID=9545843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9906452A Expired - Fee Related FR2793766B1 (fr) 1999-05-21 1999-05-21 Pale pour voilure tournante d'aeronef

Country Status (2)

Country Link
US (1) US6364615B1 (fr)
FR (1) FR2793766B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6497385B1 (en) * 2000-11-08 2002-12-24 Continuum Dynamics, Inc. Rotor blade with optimized twist distribution
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
US8128376B2 (en) * 2005-08-15 2012-03-06 Abe Karem High performance outboard section for rotor blades
US7513750B2 (en) * 2006-03-08 2009-04-07 Sikorsky Aircraft Corporation Rotor blade tip planform
US7762785B2 (en) * 2007-12-10 2010-07-27 Sikorsky Aircraft Corporation Main rotor blade with integral tip section
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
US10899440B2 (en) 2017-03-09 2021-01-26 Sikorsky Aircraft Corporation Rotor blade tip design for improved hover and cruise performance
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1391940A (en) * 1971-09-22 1975-04-23 United Aircraft Corp Helicopter rotor blades
FR2507149A1 (fr) * 1981-06-05 1982-12-10 Onera (Off Nat Aerospatiale) Extremite de pale pour voilure tournante d'aeronef et voilure tournante pourvue de telles extremites de pale
FR2617118B1 (fr) * 1987-06-29 1992-08-21 Aerospatiale Pale a extremite courbe pour voilure tournante d'aeronef
US5137427A (en) * 1990-12-20 1992-08-11 United Technologies Corporation Quiet tail rotor
FR2689852B1 (fr) * 1992-04-09 1994-06-17 Eurocopter France Pale pour voilure tournante d'aeronef, a extremite en fleche.
FR2755941B1 (fr) 1996-11-19 1999-01-15 Eurocopter France Pale a extremite en fleche pour voilure tournante d'aeronef
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
FR2772715B1 (fr) 1997-12-22 2000-02-11 Eurocopter France Pale pour aeronef a voilure tournante

Also Published As

Publication number Publication date
US6364615B1 (en) 2002-04-02
FR2793766A1 (fr) 2000-11-24

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Legal Events

Date Code Title Description
CD Change of name or company name

Owner name: AIRBUS HELICOPTERS, FR

Effective date: 20150203

PLFP Fee payment

Year of fee payment: 17

ST Notification of lapse

Effective date: 20170131