GB1526433A - Helicopter rotor blades - Google Patents

Helicopter rotor blades

Info

Publication number
GB1526433A
GB1526433A GB32943/75A GB3294375A GB1526433A GB 1526433 A GB1526433 A GB 1526433A GB 32943/75 A GB32943/75 A GB 32943/75A GB 3294375 A GB3294375 A GB 3294375A GB 1526433 A GB1526433 A GB 1526433A
Authority
GB
United Kingdom
Prior art keywords
diverted
fibres
spanwise
helicopter rotor
neutral
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
Application number
GB32943/75A
Other languages
English (en)
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.)
SECR DEFENCE
Secretary of State for Defence Canada
Original Assignee
SECR DEFENCE
Secretary of State for Defence Canada
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 SECR DEFENCE, Secretary of State for Defence Canada filed Critical SECR DEFENCE
Priority to GB32943/75A priority Critical patent/GB1526433A/en
Priority to US05/711,371 priority patent/US4077740A/en
Priority to DE19762635241 priority patent/DE2635241A1/de
Priority to FR7624212A priority patent/FR2320231A1/fr
Publication of GB1526433A publication Critical patent/GB1526433A/en
Expired 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
GB32943/75A 1975-08-06 1975-08-06 Helicopter rotor blades Expired GB1526433A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB32943/75A GB1526433A (en) 1975-08-06 1975-08-06 Helicopter rotor blades
US05/711,371 US4077740A (en) 1975-08-06 1976-08-03 Helicopter rotor blades
DE19762635241 DE2635241A1 (de) 1975-08-06 1976-08-05 Rotorblatt fuer hubschrauberrotoren
FR7624212A FR2320231A1 (fr) 1975-08-06 1976-08-06 Perfectionnements aux pales de rotor d'helicoptere

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 (1)

Publication Number Publication Date
GB1526433A true GB1526433A (en) 1978-09-27

Family

ID=10346301

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2164309A (en) * 1984-09-11 1986-03-19 Secr Defence Helicopter rotor blades

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856400C2 (de) * 1978-01-03 1987-04-30 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, London Tragflügel, insbesondere für Drehflügelflugzeuge
US4306837A (en) * 1979-04-24 1981-12-22 Textron, Inc. Bearingless tail rotor for helicopters
US4427340A (en) 1982-06-24 1984-01-24 Bell Helicopter Textron Inc. Soft inplane bearingless helicopter rotor
US5178457A (en) * 1991-11-19 1993-01-12 Tandem Products, Inc. Mixer fin
DE29807874U1 (de) * 1998-05-04 1999-09-30 Husumer Schiffswerft Inh. Gebrüder Kröger GmbH & Co. KG, 25813 Husum Rotorblattsatz für Windkraftanlage zur Elektrizitätserzeugung
ES2574779T5 (es) * 2001-07-19 2022-02-17 Vestas Wind Sys As Alabe para aerogenerador
DK175275B1 (da) * 2002-03-19 2004-08-02 Lm Glasfiber As Overgangsområde i vindmöllevinge
DK175562B1 (da) * 2002-03-19 2004-12-06 Lm Glasfiber As Vindmöllevinge med kulfibertip
CN100393504C (zh) * 2003-03-06 2008-06-11 维斯塔斯风力系统公司 具有非兼容特征的复合材料之间的连接以及制备方法
DK2511477T3 (da) * 2011-04-11 2014-09-01 Lm Wp Patent Holding As Vindmølle med overgangsområde
CN103958835B (zh) * 2011-07-20 2016-08-17 Lmwp专利控股有限公司 具有过渡区域的风力涡轮机叶片
CN103569357A (zh) * 2012-07-31 2014-02-12 赵秋顺 大型高强度复合碳纤维旋翼

Family Cites Families (12)

* 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
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
FR1600711A (enExample) * 1968-12-30 1970-07-27
FR2041747A1 (enExample) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2164309A (en) * 1984-09-11 1986-03-19 Secr Defence Helicopter rotor blades

Also Published As

Publication number Publication date
US4077740A (en) 1978-03-07
FR2320231A1 (fr) 1977-03-04
FR2320231B1 (enExample) 1982-06-04
DE2635241A1 (de) 1977-03-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee