FR2186380A1 - - Google Patents

Info

Publication number
FR2186380A1
FR2186380A1 FR7321159A FR7321159A FR2186380A1 FR 2186380 A1 FR2186380 A1 FR 2186380A1 FR 7321159 A FR7321159 A FR 7321159A FR 7321159 A FR7321159 A FR 7321159A FR 2186380 A1 FR2186380 A1 FR 2186380A1
Authority
FR
France
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
FR7321159A
Other versions
FR2186380B1 (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.)
Raytheon Technologies 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 FR2186380A1 publication Critical patent/FR2186380A1/fr
Application granted granted Critical
Publication of FR2186380B1 publication Critical patent/FR2186380B1/fr
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
FR7321159A 1972-05-31 1973-05-30 Expired FR2186380B1 (fr)

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 (2)

Publication Number Publication Date
FR2186380A1 true FR2186380A1 (fr) 1974-01-11
FR2186380B1 FR2186380B1 (fr) 1977-09-02

Family

ID=26946445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321159A Expired FR2186380B1 (fr) 1972-05-31 1973-05-30

Country Status (6)

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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410749A1 (fr) * 1977-12-05 1979-06-29 Fiat Spa Pale pour helice d'eolienne
FR2427494A1 (fr) * 1978-06-01 1979-12-28 Neu Sa Perfectionnement aux pales pour ventilateurs helicoides de tres grand diametre
EP0034210A2 (fr) * 1980-02-19 1981-08-26 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Rotor d'hélicoptère
EP0037987A2 (fr) * 1980-04-15 1981-10-21 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Procédé de fabrication de corps moulés soutenus par un noyau cellulaire tels que des ailes, des pales de rotor, etc. de grande dimension en longueur et en largeur
EP0061567A2 (fr) * 1981-04-01 1982-10-06 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Pale d'hélice aérodynamique et son procédé de construction
FR2572788A1 (fr) * 1984-11-08 1986-05-09 Stevens Genin Structure porteuse composite
EP2011733A1 (fr) 2007-07-02 2009-01-07 Eurocopter Pale munie d'un longeron à enroulement horizontal et procédé de fabrication d'un tel longeron
EP2070819A1 (fr) 2007-12-14 2009-06-17 Eurocopter Pale de giravion, rotor de giravion muni de ladite pale, et procédé de fabrication de cette pale

Families Citing this family (11)

* 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
IT1210605B (it) * 1981-02-05 1989-09-14 Agusta Aeronaut Costr Metodo per la realizzazione di longheroni per pale di elicottero
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
GB0822681D0 (en) * 2008-12-12 2009-01-21 Aviat Entpr Ltd Rotor blades
FR2983457B1 (fr) 2011-12-01 2014-01-10 Eurocopter France Pale de rotor
KR101455325B1 (ko) 2011-12-01 2014-10-27 에어버스 헬리콥터스 로터 블레이드
US10723438B2 (en) 2013-08-30 2020-07-28 Bell Helicopter Textron Inc. System and methods of constructing composite assemblies
FR3075757B1 (fr) 2017-12-22 2019-11-15 Airbus Helicopters Enveloppes aerodynamiques epaisses pour cols de pales et carenages de manchons de pales d'un rotor d'un aeronef
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410749A1 (fr) * 1977-12-05 1979-06-29 Fiat Spa Pale pour helice d'eolienne
FR2427494A1 (fr) * 1978-06-01 1979-12-28 Neu Sa Perfectionnement aux pales pour ventilateurs helicoides de tres grand diametre
EP0034210A2 (fr) * 1980-02-19 1981-08-26 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Rotor d'hélicoptère
EP0034210A3 (en) * 1980-02-19 1982-01-27 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Helicopter rotor
DK153675B (da) * 1980-04-15 1988-08-15 Messerschmitt Boelkow Blohm Fremgangsmaade til fremstilling af ved hjaelp af en skumstofkerne afstivede fiberarmerede formlegemer saasom vinger eller rotorblade med store laengde- og breddedimensioner
EP0037987A2 (fr) * 1980-04-15 1981-10-21 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Procédé de fabrication de corps moulés soutenus par un noyau cellulaire tels que des ailes, des pales de rotor, etc. de grande dimension en longueur et en largeur
EP0037987A3 (en) * 1980-04-15 1984-10-10 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Method for the manufacture of foamed core-supported moulded articles such as wings, rotor blades, etc. of great dimension in length and width
EP0061567A2 (fr) * 1981-04-01 1982-10-06 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Pale d'hélice aérodynamique et son procédé de construction
EP0061567A3 (en) * 1981-04-01 1984-09-26 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Aerodynamic propeller blade and manufacturing process
US4643646A (en) * 1981-04-01 1987-02-17 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Large airfoil structure and method for its manufacture
US4732542A (en) * 1981-04-01 1988-03-22 Messerschmitt-Bolkow-Blohm Gesellschaft mit beschranker Haftung Large airfoil structure and method for its manufacture
FR2572788A1 (fr) * 1984-11-08 1986-05-09 Stevens Genin Structure porteuse composite
EP2011733A1 (fr) 2007-07-02 2009-01-07 Eurocopter Pale munie d'un longeron à enroulement horizontal et procédé de fabrication d'un tel longeron
FR2918347A1 (fr) * 2007-07-02 2009-01-09 Eurocopter France Pale munie d'un longeron a enroulement horizontal et procede de fabrication d'un tel longeron
US8070452B2 (en) 2007-07-02 2011-12-06 Eurocopter Blade provided with a horizontally-wound spar, and a method of fabricating such a spar
EP2070819A1 (fr) 2007-12-14 2009-06-17 Eurocopter Pale de giravion, rotor de giravion muni de ladite pale, et procédé de fabrication de cette pale
FR2925015A1 (fr) * 2007-12-14 2009-06-19 Eurocopter France Pale de giravion, rotor de giravion muni de ladite pale, et procede de fabrication de cette pale
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

Also Published As

Publication number Publication date
FR2186380B1 (fr) 1977-09-02
IT988810B (it) 1975-04-30
AU5909073A (en) 1975-02-13
GB1427158A (en) 1976-03-10
JPS4943394A (fr) 1974-04-24
DE2327393A1 (de) 1973-12-13

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Legal Events

Date Code Title Description
ST Notification of lapse