GB1427158A - Composite helicopter blade - Google Patents

Composite helicopter blade

Info

Publication number
GB1427158A
GB1427158A GB2565273A GB2565273A GB1427158A GB 1427158 A GB1427158 A GB 1427158A GB 2565273 A GB2565273 A GB 2565273A GB 2565273 A GB2565273 A GB 2565273A GB 1427158 A GB1427158 A GB 1427158A
Authority
GB
United Kingdom
Prior art keywords
spar
root
bonding
tip
blade
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
GB2565273A
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.)
RTX 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 GB1427158A publication Critical patent/GB1427158A/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)
  • Laminated Bodies (AREA)
  • Wind Motors (AREA)
  • Moulding By Coating Moulds (AREA)
GB2565273A 1972-05-31 1973-05-30 Composite helicopter blade Expired GB1427158A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25833372A 1972-05-31 1972-05-31
US25814772A 1972-05-31 1972-05-31

Publications (1)

Publication Number Publication Date
GB1427158A true GB1427158A (en) 1976-03-10

Family

ID=26946445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2565273A Expired GB1427158A (en) 1972-05-31 1973-05-30 Composite helicopter blade

Country Status (6)

Country Link
JP (1) JPS4943394A (https=)
AU (1) AU5909073A (https=)
DE (1) DE2327393A1 (https=)
FR (1) FR2186380B1 (https=)
GB (1) GB1427158A (https=)
IT (1) IT988810B (https=)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074753A (en) * 1989-10-16 1991-12-24 Bell Helicopter Textron Inc. Rotor blade
GB2266085A (en) * 1992-04-14 1993-10-20 Composite Tech Pty Ltd Aerofoil construction.
US5868351A (en) * 1996-05-23 1999-02-09 Bell Helicopter Textron Inc. Rotor blade stowing system
EP2376766A2 (en) * 2008-12-12 2011-10-19 Aviation Enterprises Limited Rotor blades
US8061994B2 (en) 2007-12-14 2011-11-22 Eurocopter Rotorcraft blade, a rotorcraft rotor provided with said blade, and a method of fabricating said blade
EP2599717A1 (fr) 2011-12-01 2013-06-05 Eurocopter Pale de rotor
KR101455325B1 (ko) 2011-12-01 2014-10-27 에어버스 헬리콥터스 로터 블레이드
EP2842726A1 (en) * 2013-08-30 2015-03-04 Bell Helicopter Textron Inc. Method of constructing a composite assembly and composite assembly
EP3501979A1 (fr) * 2017-12-22 2019-06-26 Airbus Helicopters Enveloppes aerodynamiques epaisses pour cols de pales et carenages de manchons de pales d'un rotor d'un aeronef
CN114030604A (zh) * 2021-11-19 2022-02-11 中国直升机设计研究所 一种复合材料缠绕的拉扭条组件及其成型方法
CN115817810A (zh) * 2022-11-24 2023-03-21 南京航空航天大学 具有承担集中载荷桨尖的复合材料桨叶
US12031453B1 (en) 2022-12-22 2024-07-09 General Electric Company Component with spar assembly for a turbine engine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096012A (en) * 1976-08-30 1978-06-20 The Boeing Company Method of forming a spar layup for an aerodynamic rotor blade
IT1091214B (it) * 1977-12-05 1985-07-06 Fiat Spa Pala per motori eolici
FR2427494A1 (fr) * 1978-06-01 1979-12-28 Neu Sa Perfectionnement aux pales pour ventilateurs helicoides de tres grand diametre
DE3006088A1 (de) * 1980-02-19 1981-08-20 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Rotor eines drehfluegelflugzeugs
DE3014347C2 (de) * 1980-04-15 1983-05-26 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur Herstellung von schaumkerngestützen, faserverstärkten Kunststoff-Formkörpern wie Flügel, Rotorblätter etc. großer Längen-und Breitenausdehnung
IT1210605B (it) * 1981-02-05 1989-09-14 Agusta Aeronaut Costr Metodo per la realizzazione di longheroni per pale di elicottero
DE3113079C2 (de) * 1981-04-01 1985-11-21 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Aerodynamischer Groß-Flügel und Verfahren zu dessen Herstellung
FR2572788B1 (fr) * 1984-11-08 1987-01-30 Hexcel Genin Sa Structure porteuse composite
FR2918347B1 (fr) * 2007-07-02 2010-05-07 Eurocopter France Pale munie d'un longeron a enroulement horizontal et procede de fabrication d'un tel longeron

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074753A (en) * 1989-10-16 1991-12-24 Bell Helicopter Textron Inc. Rotor blade
GB2266085A (en) * 1992-04-14 1993-10-20 Composite Tech Pty Ltd Aerofoil construction.
US5868351A (en) * 1996-05-23 1999-02-09 Bell Helicopter Textron Inc. Rotor blade stowing system
US8061994B2 (en) 2007-12-14 2011-11-22 Eurocopter Rotorcraft blade, a rotorcraft rotor provided with said blade, and a method of fabricating said blade
CN101456451B (zh) * 2007-12-14 2012-05-23 尤洛考普特公司 旋翼机桨叶、设置有所述桨叶的旋翼机旋翼以及制造所述桨叶的方法
EP2376766A2 (en) * 2008-12-12 2011-10-19 Aviation Enterprises Limited Rotor blades
US9085986B2 (en) 2011-12-01 2015-07-21 Airbus Helicopters Rotor blade
KR101455325B1 (ko) 2011-12-01 2014-10-27 에어버스 헬리콥터스 로터 블레이드
EP2599717A1 (fr) 2011-12-01 2013-06-05 Eurocopter Pale de rotor
FR2983457A1 (fr) * 2011-12-01 2013-06-07 Eurocopter France Pale de rotor
US10723438B2 (en) 2013-08-30 2020-07-28 Bell Helicopter Textron Inc. System and methods of constructing composite assemblies
EP2842726A1 (en) * 2013-08-30 2015-03-04 Bell Helicopter Textron Inc. Method of constructing a composite assembly and composite assembly
EP3330063A1 (en) * 2013-08-30 2018-06-06 Bell Helicopter Textron Inc. Method of constructing composite assemblies
US10858090B2 (en) 2013-08-30 2020-12-08 Bell Textron Inc. Systems and methods of constructing composite assemblies
FR3075757A1 (fr) * 2017-12-22 2019-06-28 Airbus Helicopters Enveloppes aerodynamiques epaisses pour cols de pales et carenages de manchons de pales d'un rotor d'un aeronef
EP3501979A1 (fr) * 2017-12-22 2019-06-26 Airbus Helicopters Enveloppes aerodynamiques epaisses pour cols de pales et carenages de manchons de pales d'un rotor d'un aeronef
US10858093B2 (en) 2017-12-22 2020-12-08 Airbus Helicopters Thick airfoil shapes for blade necks and for blade cuff fairings for an aircraft rotor
CN114030604A (zh) * 2021-11-19 2022-02-11 中国直升机设计研究所 一种复合材料缠绕的拉扭条组件及其成型方法
CN114030604B (zh) * 2021-11-19 2023-05-23 中国直升机设计研究所 一种复合材料缠绕的拉扭条组件及其成型方法
CN115817810A (zh) * 2022-11-24 2023-03-21 南京航空航天大学 具有承担集中载荷桨尖的复合材料桨叶
CN115817810B (zh) * 2022-11-24 2025-10-31 南京航空航天大学 具有承担集中载荷桨尖的复合材料桨叶
US12031453B1 (en) 2022-12-22 2024-07-09 General Electric Company Component with spar assembly for a turbine engine

Also Published As

Publication number Publication date
IT988810B (it) 1975-04-30
FR2186380A1 (https=) 1974-01-11
DE2327393A1 (de) 1973-12-13
JPS4943394A (https=) 1974-04-24
AU5909073A (en) 1975-02-13
FR2186380B1 (https=) 1977-09-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee