FR2311713A1 - Pales pour rotor d'helicoptere - Google Patents

Pales pour rotor d'helicoptere

Info

Publication number
FR2311713A1
FR2311713A1 FR7614899A FR7614899A FR2311713A1 FR 2311713 A1 FR2311713 A1 FR 2311713A1 FR 7614899 A FR7614899 A FR 7614899A FR 7614899 A FR7614899 A FR 7614899A FR 2311713 A1 FR2311713 A1 FR 2311713A1
Authority
FR
France
Prior art keywords
blades
helicopter rotor
helicopter
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.)
Granted
Application number
FR7614899A
Other languages
English (en)
Other versions
FR2311713B1 (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.)
Westland Group PLC
Original Assignee
Westland Aircraft Ltd
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 Westland Aircraft Ltd filed Critical Westland Aircraft Ltd
Publication of FR2311713A1 publication Critical patent/FR2311713A1/fr
Application granted granted Critical
Publication of FR2311713B1 publication Critical patent/FR2311713B1/fr
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR7614899A 1975-05-19 1976-05-18 Pales pour rotor d'helicoptere Granted FR2311713A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21352/75A GB1538055A (en) 1975-05-19 1975-05-19 Helicopter rotor blades

Publications (2)

Publication Number Publication Date
FR2311713A1 true FR2311713A1 (fr) 1976-12-17
FR2311713B1 FR2311713B1 (fr) 1982-09-17

Family

ID=10161450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7614899A Granted FR2311713A1 (fr) 1975-05-19 1976-05-18 Pales pour rotor d'helicoptere

Country Status (5)

Country Link
US (1) US4077741A (fr)
DE (1) DE2621982A1 (fr)
FR (1) FR2311713A1 (fr)
GB (1) GB1538055A (fr)
IT (1) IT1074464B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067097A1 (fr) * 1981-06-05 1982-12-15 Office National d'Etudes et de Recherches Aérospatiales (O.N.E.R.A.) Extrémité de pale pour voilure tournante d'aéronef
EP0351104A2 (fr) * 1988-07-05 1990-01-17 Westland Helicopters Limited Pale de rotor d'hélicoptère
FR2639902A1 (fr) * 1988-12-06 1990-06-08 Ferry Olivier Helice de propulsion ou de sustentation pour aeronef
EP0842846A1 (fr) 1996-11-19 1998-05-20 Eurocopter Pale à extrémité en flèche pour voilure tournante d'aéronef

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248572A (en) * 1978-12-11 1981-02-03 United Technologies Corporation Helicopter blade
US4334828A (en) * 1980-01-21 1982-06-15 United Technologies Corporation Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency
US4324530A (en) * 1980-01-21 1982-04-13 United Technologies Corp. Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency
EP0037633B1 (fr) * 1980-03-28 1986-07-30 WESTLAND plc Pale de rotor pour hélicoptère
US4722608A (en) * 1985-07-30 1988-02-02 General Signal Corp. Mixing apparatus
JP2525836Y2 (ja) * 1989-03-29 1997-02-12 川崎重工業株式会社 回転翼用ブレードの先端部形状
GB9022271D0 (en) * 1990-10-13 1991-02-20 Westland Helicopters Helicopter rotor blades
GB9022281D0 (en) * 1990-10-13 1991-02-20 Westland Helicopters Helicopter rotor blades
GB9112835D0 (en) * 1991-06-14 1992-05-27 Westland Helicopters Helicopter rotor blades
DE4206066A1 (de) * 1992-02-27 1993-09-02 Fritz Karl Hausser Boot-schrauben, flugzeug-propellern und hubschrauber-rotor-blaettern zur verringerung des wirbels und widerstandes von wasser und luft
DE4400806A1 (de) * 1994-01-13 1995-07-20 Bernd Stolz Propeller
GB9600123D0 (en) 1996-01-04 1996-03-06 Westland Helicopters Aerofoil
GB2312712A (en) * 1996-04-30 1997-11-05 Gkn Westland Helicopters Ltd Propeller/rotor blade
JP3170470B2 (ja) 1997-03-24 2001-05-28 株式会社コミュータヘリコプタ先進技術研究所 回転翼機のロータブレード
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
US6986642B2 (en) * 2002-08-30 2006-01-17 Cartercopters, L.L.C. Extreme mu rotor
AT507091B1 (de) * 2008-09-22 2010-02-15 Walter Enthammer Strömungsmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066742A (en) * 1957-01-11 1962-12-04 Georgia Tech Res Inst Rotor blade
US3399731A (en) * 1967-07-18 1968-09-03 Algy F. Giles Jr. Rotor-blade
FR2007973A1 (fr) * 1968-05-07 1970-01-16 Textron Inc
FR2153253A1 (fr) * 1971-09-22 1973-05-04 United Aircraft Corp
FR2231565A1 (fr) * 1973-06-04 1974-12-27 United Aircraft Corp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1692081A (en) * 1925-11-24 1928-11-20 Cierva Juan De La Aircraft with rotative wings
US2152861A (en) * 1934-05-16 1939-04-04 Autogiro Co Of America Blade construction for aircraft sustaining rotors
GB1380252A (en) * 1971-01-21 1975-01-08 Secr Defence Helicopter rotor blades
US3822105A (en) * 1971-09-22 1974-07-02 United Aircraft Corp Helicopter blade
US3721507A (en) * 1971-09-22 1973-03-20 United Aircraft Corp Blade for high speed helicopter
US4012172A (en) * 1975-09-10 1977-03-15 Avco Corporation Low noise blades for axial flow compressors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066742A (en) * 1957-01-11 1962-12-04 Georgia Tech Res Inst Rotor blade
US3399731A (en) * 1967-07-18 1968-09-03 Algy F. Giles Jr. Rotor-blade
FR2007973A1 (fr) * 1968-05-07 1970-01-16 Textron Inc
FR2153253A1 (fr) * 1971-09-22 1973-05-04 United Aircraft Corp
FR2231565A1 (fr) * 1973-06-04 1974-12-27 United Aircraft Corp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067097A1 (fr) * 1981-06-05 1982-12-15 Office National d'Etudes et de Recherches Aérospatiales (O.N.E.R.A.) Extrémité de pale pour voilure tournante d'aéronef
EP0351104A2 (fr) * 1988-07-05 1990-01-17 Westland Helicopters Limited Pale de rotor d'hélicoptère
EP0351104A3 (en) * 1988-07-05 1990-09-26 Westland Helicopters Limited Helicopter rotor blades
FR2639902A1 (fr) * 1988-12-06 1990-06-08 Ferry Olivier Helice de propulsion ou de sustentation pour aeronef
EP0842846A1 (fr) 1996-11-19 1998-05-20 Eurocopter Pale à extrémité en flèche pour voilure tournante d'aéronef

Also Published As

Publication number Publication date
FR2311713B1 (fr) 1982-09-17
US4077741A (en) 1978-03-07
DE2621982A1 (de) 1976-12-09
GB1538055A (en) 1979-01-10
DE2621982C2 (fr) 1987-08-13
IT1074464B (it) 1985-04-20

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