DE68902717D1 - Drehfluegelflugzeugblatt und rotor, der damit ausgeruestet ist. - Google Patents

Drehfluegelflugzeugblatt und rotor, der damit ausgeruestet ist.

Info

Publication number
DE68902717D1
DE68902717D1 DE8989402497T DE68902717T DE68902717D1 DE 68902717 D1 DE68902717 D1 DE 68902717D1 DE 8989402497 T DE8989402497 T DE 8989402497T DE 68902717 T DE68902717 T DE 68902717T DE 68902717 D1 DE68902717 D1 DE 68902717D1
Authority
DE
Germany
Prior art keywords
plane blade
rotor equipped
turning plane
turning
rotor
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
DE8989402497T
Other languages
English (en)
Other versions
DE68902717T2 (de
Inventor
Alain Damongeot
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 Group SAS
Original Assignee
Airbus Group SAS
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 Airbus Group SAS filed Critical Airbus Group SAS
Publication of DE68902717D1 publication Critical patent/DE68902717D1/de
Application granted granted Critical
Publication of DE68902717T2 publication Critical patent/DE68902717T2/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
    • B64C27/463—Blade tips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • 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)
  • Wind Motors (AREA)
DE8989402497T 1988-09-19 1989-09-13 Drehfluegelflugzeugblatt und rotor, der damit ausgeruestet ist. Expired - Lifetime DE68902717T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8812188A FR2636593B1 (fr) 1988-09-19 1988-09-19 Pale pour voilure tournante d'aeronef et voilure tournante comportant une telle pale

Publications (2)

Publication Number Publication Date
DE68902717D1 true DE68902717D1 (de) 1992-10-08
DE68902717T2 DE68902717T2 (de) 1993-04-01

Family

ID=9370125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989402497T Expired - Lifetime DE68902717T2 (de) 1988-09-19 1989-09-13 Drehfluegelflugzeugblatt und rotor, der damit ausgeruestet ist.

Country Status (4)

Country Link
US (1) US5035577A (de)
EP (1) EP0360661B1 (de)
DE (1) DE68902717T2 (de)
FR (1) FR2636593B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022281D0 (en) * 1990-10-13 1991-02-20 Westland Helicopters Helicopter rotor blades
US5137427A (en) * 1990-12-20 1992-08-11 United Technologies Corporation Quiet tail rotor
US5249928A (en) * 1991-09-19 1993-10-05 Schulz William J Fixed pitch propeller
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
FR2772715B1 (fr) 1997-12-22 2000-02-11 Eurocopter France Pale pour aeronef a voilure tournante
FR2782307B1 (fr) 1998-08-17 2000-10-13 Onera (Off Nat Aerospatiale) Procede pour la reduction du bruit d'interaction pales-tourbillons engendre par une voilure tournante
US6497385B1 (en) 2000-11-08 2002-12-24 Continuum Dynamics, Inc. Rotor blade with optimized twist distribution
US7600976B2 (en) 2005-05-31 2009-10-13 Sikorsky Aircraft Corporation Rotor blade twist distribution for a high speed rotary-wing aircraft
US7252479B2 (en) * 2005-05-31 2007-08-07 Sikorsky Aircraft Corporation Rotor blade for a high speed rotary-wing aircraft
US7762785B2 (en) * 2007-12-10 2010-07-27 Sikorsky Aircraft Corporation Main rotor blade with integral tip section
US8408877B2 (en) * 2008-05-30 2013-04-02 General Electric Company Wind turbine blades with twisted tips
US8419371B2 (en) * 2008-05-30 2013-04-16 General Electric Company Wind turbine blades with twisted and tapered tips
US7997875B2 (en) * 2010-11-16 2011-08-16 General Electric Company Winglet for wind turbine rotor blade
EP2505500B1 (de) 2011-03-31 2016-09-14 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Lärm- und leistungsverbessertes rotorblatt für einen helikopter
US10358926B2 (en) * 2017-08-11 2019-07-23 General Electric Company Low-noise airfoil for an open rotor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB365940A (en) * 1931-05-23 1932-01-28 Sylvanus Albert Reed High speed metal aeronautical propellers
GB512487A (en) * 1938-03-05 1939-09-18 John Taylor Mcintyre Improvements relating to screw propellers and screw propeller type fans, pumps and the like
US3822105A (en) * 1971-09-22 1974-07-02 United Aircraft Corp Helicopter blade
DE3310937C2 (de) * 1982-10-09 1984-10-31 Dornier Gmbh, 7990 Friedrichshafen Propellerblatt, insbesondere für den Vortrieb von Luftfahrzeugen
DE3482317D1 (de) * 1983-08-17 1990-06-28 Oscar Asboth Luftschraube.
US4744728A (en) * 1986-09-03 1988-05-17 United Technologies Corporation Helicopter blade airfoil
FR2617118B1 (fr) * 1987-06-29 1992-08-21 Aerospatiale Pale a extremite courbe pour voilure tournante d'aeronef

Also Published As

Publication number Publication date
DE68902717T2 (de) 1993-04-01
US5035577A (en) 1991-07-30
FR2636593A1 (fr) 1990-03-23
FR2636593B1 (fr) 1990-11-23
EP0360661B1 (de) 1992-09-02
EP0360661A1 (de) 1990-03-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee