IT967761B - Pala di flicottero e metodo per migliorare le prestazioni del rotore di un elicottero - Google Patents

Pala di flicottero e metodo per migliorare le prestazioni del rotore di un elicottero

Info

Publication number
IT967761B
IT967761B IT29549/72A IT2954972A IT967761B IT 967761 B IT967761 B IT 967761B IT 29549/72 A IT29549/72 A IT 29549/72A IT 2954972 A IT2954972 A IT 2954972A IT 967761 B IT967761 B IT 967761B
Authority
IT
Italy
Prior art keywords
flycopter
helicopter
blade
improving
rotor performance
Prior art date
Application number
IT29549/72A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT967761B publication Critical patent/IT967761B/it

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)
IT29549/72A 1971-09-22 1972-09-22 Pala di flicottero e metodo per migliorare le prestazioni del rotore di un elicottero IT967761B (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
IT967761B true IT967761B (it) 1974-03-11

Family

ID=22669265

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29549/72A IT967761B (it) 1971-09-22 1972-09-22 Pala di flicottero e metodo per migliorare le prestazioni del rotore di un elicottero

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)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1538055A (en) * 1975-05-19 1979-01-10 Westland Aircraft Ltd Helicopter rotor blades
US4028003A (en) * 1976-04-12 1977-06-07 United Technologies Corporation Torsionally compliant helicopter rotor blade with improved stability and performance characteristics
US4142837A (en) * 1977-11-11 1979-03-06 United Technologies Corporation Helicopter blade
FR2463054A1 (fr) * 1979-08-10 1981-02-20 Aerospatiale Profil de pale pour voilure tournante d'aeronef
CA1141738A (fr) * 1979-08-10 1983-02-22 Jacques Gallot Profil de pale voilure tournante d'aeronef
US4314795A (en) * 1979-09-28 1982-02-09 The Boeing Company Advanced airfoils for helicopter rotor application
FR2479132A1 (fr) * 1980-03-25 1981-10-02 Aerospatiale Pale a hautes performances pour rotor d'helicoptere
GB9022281D0 (en) * 1990-10-13 1991-02-20 Westland Helicopters Helicopter rotor blades
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
FR2793766B1 (fr) 1999-05-21 2001-07-13 Eurocopter France Pale pour voilure tournante d'aeronef

Also Published As

Publication number Publication date
DE2238250A1 (de) 1973-03-29
MY7800256A (en) 1978-12-31
FR2153253A1 (it) 1973-05-04
GB1391940A (en) 1975-04-23
JPS4872899A (it) 1973-10-01

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