FR2153253A1 - - Google Patents

Info

Publication number
FR2153253A1
FR2153253A1 FR7231478A FR7231478A FR2153253A1 FR 2153253 A1 FR2153253 A1 FR 2153253A1 FR 7231478 A FR7231478 A FR 7231478A FR 7231478 A FR7231478 A FR 7231478A FR 2153253 A1 FR2153253 A1 FR 2153253A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7231478A
Other languages
French (fr)
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 Aircraft 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 Aircraft Corp filed Critical United Aircraft Corp
Publication of FR2153253A1 publication Critical patent/FR2153253A1/fr
Withdrawn legal-status Critical Current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
    • B64C27/467—Aerodynamic features
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/10—Drag reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7231478A 1971-09-22 1972-08-25 Withdrawn FR2153253A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18261871A 1971-09-22 1971-09-22

Publications (1)

Publication Number Publication Date
FR2153253A1 true FR2153253A1 (it) 1973-05-04

Family

ID=22669265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7231478A Withdrawn FR2153253A1 (it) 1971-09-22 1972-08-25

Country Status (6)

Country Link
JP (1) JPS4872899A (it)
DE (1) DE2238250A1 (it)
FR (1) FR2153253A1 (it)
GB (1) GB1391940A (it)
IT (1) IT967761B (it)
MY (1) MY7800256A (it)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311713A1 (fr) * 1975-05-19 1976-12-17 Westland Aircraft Ltd Pales pour rotor d'helicoptere
FR2348105A1 (fr) * 1976-04-12 1977-11-10 United Technologies Corp Pale pour rotor d'helicoptere
FR2408518A1 (fr) * 1977-11-11 1979-06-08 United Technologies Corp Pale d'helicoptere perfectionnee
FR2463054A1 (fr) * 1979-08-10 1981-02-20 Aerospatiale Profil de pale pour voilure tournante d'aeronef
EP0024229A2 (fr) * 1979-08-10 1981-02-25 AEROSPATIALE Société Nationale Industrielle Profil de pale pour voilure tournante d'aéronef
EP0036825A1 (fr) * 1980-03-25 1981-09-30 AEROSPATIALE Société Nationale Industrielle Pale à hautes performances pour rotor d'hélicoptère
EP0482788A1 (en) * 1990-10-13 1992-04-29 Westland Helicopters Limited Helicopter rotor blades
FR2793766A1 (fr) * 1999-05-21 2000-11-24 Eurocopter France Pale pour voilure tournante d'aeronef

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314795A (en) * 1979-09-28 1982-02-09 The Boeing Company Advanced airfoils for helicopter rotor application
DE19528155C1 (de) * 1995-08-02 1996-06-27 Deutsche Forsch Luft Raumfahrt Verdrehbares Rotorblatt aus faserverstärktem Kunstharz
JPH09254893A (ja) * 1996-03-25 1997-09-30 Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk ヘリコプタ用ロータブレードおよびロータシステム
GB2312712A (en) * 1996-04-30 1997-11-05 Gkn Westland Helicopters Ltd Propeller/rotor blade
JP3916723B2 (ja) * 1997-05-15 2007-05-23 富士重工業株式会社 回転翼航空機の回転翼羽根

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311713A1 (fr) * 1975-05-19 1976-12-17 Westland Aircraft Ltd Pales pour rotor d'helicoptere
FR2348105A1 (fr) * 1976-04-12 1977-11-10 United Technologies Corp Pale pour rotor d'helicoptere
FR2408518A1 (fr) * 1977-11-11 1979-06-08 United Technologies Corp Pale d'helicoptere perfectionnee
FR2463054A1 (fr) * 1979-08-10 1981-02-20 Aerospatiale Profil de pale pour voilure tournante d'aeronef
EP0024229A2 (fr) * 1979-08-10 1981-02-25 AEROSPATIALE Société Nationale Industrielle Profil de pale pour voilure tournante d'aéronef
EP0024229A3 (en) * 1979-08-10 1981-04-29 Societe Nationale Industrielle Aerospatiale Societe Anonyme Dite: Blade profile for rotary-wing aircraft
EP0036825A1 (fr) * 1980-03-25 1981-09-30 AEROSPATIALE Société Nationale Industrielle Pale à hautes performances pour rotor d'hélicoptère
EP0482788A1 (en) * 1990-10-13 1992-04-29 Westland Helicopters Limited Helicopter rotor blades
FR2793766A1 (fr) * 1999-05-21 2000-11-24 Eurocopter France Pale pour voilure tournante d'aeronef
US6364615B1 (en) 1999-05-21 2002-04-02 Eurocopter Blade for the rotary wings of an aircraft

Also Published As

Publication number Publication date
DE2238250A1 (de) 1973-03-29
MY7800256A (en) 1978-12-31
IT967761B (it) 1974-03-11
GB1391940A (en) 1975-04-23
JPS4872899A (it) 1973-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse