FR2320231A1 - Perfectionnements aux pales de rotor d'helicoptere - Google Patents

Perfectionnements aux pales de rotor d'helicoptere

Info

Publication number
FR2320231A1
FR2320231A1 FR7624212A FR7624212A FR2320231A1 FR 2320231 A1 FR2320231 A1 FR 2320231A1 FR 7624212 A FR7624212 A FR 7624212A FR 7624212 A FR7624212 A FR 7624212A FR 2320231 A1 FR2320231 A1 FR 2320231A1
Authority
FR
France
Prior art keywords
rotor blades
helicopter rotor
helicopter
blades
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
FR7624212A
Other languages
English (en)
Other versions
FR2320231B1 (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.)
UK Government
Original Assignee
UK Government
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 UK Government filed Critical UK Government
Publication of FR2320231A1 publication Critical patent/FR2320231A1/fr
Application granted granted Critical
Publication of FR2320231B1 publication Critical patent/FR2320231B1/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
    • B64C27/473—Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C2027/4733—Rotor blades substantially made from particular materials
    • B64C2027/4736—Rotor blades substantially made from particular materials from composite materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR7624212A 1975-08-06 1976-08-06 Perfectionnements aux pales de rotor d'helicoptere Granted FR2320231A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32943/75A GB1526433A (en) 1975-08-06 1975-08-06 Helicopter rotor blades

Publications (2)

Publication Number Publication Date
FR2320231A1 true FR2320231A1 (fr) 1977-03-04
FR2320231B1 FR2320231B1 (fr) 1982-06-04

Family

ID=10346301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624212A Granted FR2320231A1 (fr) 1975-08-06 1976-08-06 Perfectionnements aux pales de rotor d'helicoptere

Country Status (4)

Country Link
US (1) US4077740A (fr)
DE (1) DE2635241A1 (fr)
FR (1) FR2320231A1 (fr)
GB (1) GB1526433A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413264A1 (fr) * 1978-01-03 1979-07-27 Secr Defence Brit Voilure portante pour aerodyne et aerodyne equipe d'une telle voilure

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306837A (en) * 1979-04-24 1981-12-22 Textron, Inc. Bearingless tail rotor for helicopters
GB2164309B (en) * 1984-09-11 1987-09-09 Secr Defence Helicopter rotor blades
US5178457A (en) * 1991-11-19 1993-01-12 Tandem Products, Inc. Mixer fin
DE29807874U1 (de) * 1998-05-04 1999-09-30 Husumer Schiffswerft Inh Gebru Rotorblattsatz für Windkraftanlage zur Elektrizitätserzeugung
DK1417409T4 (en) * 2001-07-19 2017-07-31 Vestas Wind Sys As Wind turbine blades
DK175562B1 (da) * 2002-03-19 2004-12-06 Lm Glasfiber As Vindmöllevinge med kulfibertip
DK175275B1 (da) * 2002-03-19 2004-08-02 Lm Glasfiber As Overgangsområde i vindmöllevinge
ES2282616T3 (es) * 2003-03-06 2007-10-16 Vestas Wind Systems A/S Conexion entre materiales compuestos con propiedades con compatibles y procedimiento de preparacion.
WO2013010979A2 (fr) * 2011-07-20 2013-01-24 Lm Wind Power A/S Pale de turbine éolienne présentant une région de transition
EP2511477B1 (fr) * 2011-04-11 2014-06-04 LM WP Patent Holding A/S Pale d'éolienne dotée d'une région de transition
CN103569357A (zh) * 2012-07-31 2014-02-12 赵秋顺 大型高强度复合碳纤维旋翼

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR865940A (fr) * 1940-02-16 1941-06-09 Perfectionnements aux procédés utilisés pour la construction des hélices aériennes et voilures tournantes
FR1600711A (fr) * 1968-12-30 1970-07-27

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484141A (en) * 1947-01-09 1949-10-11 United Aircraft Corp Skin stressed laminated fiberglas rotor blade
US3021246A (en) * 1957-05-17 1962-02-13 Hutter Ulrich Process for producing a structure of fiber reinforced plastic material
US3065799A (en) * 1958-04-21 1962-11-27 Brackley Shaw Rotary wing aircraft
US3117630A (en) * 1960-03-01 1964-01-14 Barish Ass Inc Rotors
US3237697A (en) * 1963-02-11 1966-03-01 Boeing Co Helicopter rotor blade
US3321019A (en) * 1965-10-22 1967-05-23 United Aircraft Corp Fiberglass blade
DE1531374A1 (de) * 1967-09-12 1970-01-29 Messerschmitt Boelkow Blohm Rotorblatt aus faserverstaerktem Kunststoff mit schlaufenartiger Blattwurzel
GB1262704A (en) * 1968-08-10 1972-02-02 Messerschmitt Boelkow Blohm Helicopter rotor blade
FR2041747A1 (fr) * 1969-05-20 1971-02-05 Sud Aviation
US3999886A (en) * 1974-10-10 1976-12-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Hingeless helicopter rotor with improved stability

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR865940A (fr) * 1940-02-16 1941-06-09 Perfectionnements aux procédés utilisés pour la construction des hélices aériennes et voilures tournantes
FR1600711A (fr) * 1968-12-30 1970-07-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413264A1 (fr) * 1978-01-03 1979-07-27 Secr Defence Brit Voilure portante pour aerodyne et aerodyne equipe d'une telle voilure

Also Published As

Publication number Publication date
GB1526433A (en) 1978-09-27
DE2635241A1 (de) 1977-03-03
FR2320231B1 (fr) 1982-06-04
US4077740A (en) 1978-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse