FR2554078B1 - Element longitudinal de pale d'helicoptere et procede correspondant de fabrication - Google Patents

Element longitudinal de pale d'helicoptere et procede correspondant de fabrication

Info

Publication number
FR2554078B1
FR2554078B1 FR8416453A FR8416453A FR2554078B1 FR 2554078 B1 FR2554078 B1 FR 2554078B1 FR 8416453 A FR8416453 A FR 8416453A FR 8416453 A FR8416453 A FR 8416453A FR 2554078 B1 FR2554078 B1 FR 2554078B1
Authority
FR
France
Prior art keywords
longitudinal element
corresponding manufacturing
blade longitudinal
helicopter blade
helicopter
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
FR8416453A
Other languages
English (en)
Other versions
FR2554078A1 (fr
Inventor
Fiorenzo Mussi
Emilio Pariani
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.)
Agusta SpA
Original Assignee
Costruzioni Aeronautiche Giovanni Augusta SpA
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 Costruzioni Aeronautiche Giovanni Augusta SpA filed Critical Costruzioni Aeronautiche Giovanni Augusta SpA
Publication of FR2554078A1 publication Critical patent/FR2554078A1/fr
Application granted granted Critical
Publication of FR2554078B1 publication Critical patent/FR2554078B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • B29D99/0028—Producing blades or the like, e.g. blades for turbines, propellers, or wings hollow blades
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • 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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Toys (AREA)
FR8416453A 1983-10-26 1984-10-26 Element longitudinal de pale d'helicoptere et procede correspondant de fabrication Expired FR2554078B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68112/83A IT1161534B (it) 1983-10-26 1983-10-26 Longherone per pala di elicottero e metodo per la sua realizzazione

Publications (2)

Publication Number Publication Date
FR2554078A1 FR2554078A1 (fr) 1985-05-03
FR2554078B1 true FR2554078B1 (fr) 1986-12-26

Family

ID=11307933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8416453A Expired FR2554078B1 (fr) 1983-10-26 1984-10-26 Element longitudinal de pale d'helicoptere et procede correspondant de fabrication

Country Status (6)

Country Link
US (1) US4650534A (fr)
JP (1) JPS60166593A (fr)
DE (1) DE3438312C2 (fr)
FR (1) FR2554078B1 (fr)
GB (1) GB2148821B (fr)
IT (1) IT1161534B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03104799A (ja) * 1989-09-20 1991-05-01 Fuji Heavy Ind Ltd 複合材ブレードの製造方法
GB2237282A (en) * 1989-10-25 1991-05-01 Dow Corning Sa Moulding elastomers using heat-destructible polystyrene core
US5042968A (en) * 1989-11-02 1991-08-27 United Technologies Corporation Propeller blade subassembly and method for making a propeller blade subassembly
US5248242A (en) * 1990-09-28 1993-09-28 The Boeing Company Aerodynamic rotor blade of composite material fabricated in one cure cycle
US5378109A (en) * 1990-09-28 1995-01-03 The Boeing Company Co-cured composite fan blade and method
US5462409A (en) * 1994-03-18 1995-10-31 Mcdonnell Douglas Helicopter Co. Leading edge weight retention assembly for a helicopter rotor
WO1996006776A1 (fr) * 1994-08-31 1996-03-07 United Technologies Corporation Longeron composite renforce par fibres pour aeronef a voilure tournante et son procede de fabrication
US5547629A (en) * 1994-09-27 1996-08-20 Competition Composites, Inc. Method for manufacturing a one-piece molded composite airfoil
US6715992B2 (en) * 2001-04-04 2004-04-06 R & M Technology, Llc Helicopter blade and method of manufacture
US8661750B2 (en) 2001-12-21 2014-03-04 James B. Melesky Systems and methods for insulating attic openings
US10137542B2 (en) 2010-01-14 2018-11-27 Senvion Gmbh Wind turbine rotor blade components and machine for making same
BR112012017122B1 (pt) 2010-01-14 2021-09-28 Senvion Gmbh Feixe compósito para uma pá de turbina eólica
US9505491B2 (en) * 2010-08-19 2016-11-29 Sikorsky Aircraft Corporation Helicopter composite blade spar and method
JP5738033B2 (ja) * 2011-03-28 2015-06-17 三菱重工業株式会社 複合材構造体の成形方法
RU2652545C1 (ru) * 2013-08-28 2018-04-26 Федеральное государственное унитарное предприятие "Центральный аэрогидродинамический институт имени профессора Н.Е. Жуковского" (ФГУП "ЦАГИ") Лонжерон лопасти аэродинамической модели воздушного винта и способ его изготовления
US11034113B2 (en) * 2014-01-29 2021-06-15 Sikorsky Aircraft Corporation Method of assembling a composite spar removable mandrel
US10994835B2 (en) * 2017-09-28 2021-05-04 Textron Innovations Inc. Inertia weight assemblies for rotorcraft

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754840A (en) * 1972-05-31 1973-08-28 United Aircraft Corp Composite helicopter rotor and blade
US3873654A (en) * 1973-03-05 1975-03-25 Robert G Smith Process of forming a rigid foam airfoil section
FR2234130B1 (fr) * 1973-05-14 1976-04-30 Kamov Nikolai
GB1438184A (en) * 1973-05-25 1976-06-03 Kamov N I Method of manufacturing load-carrying elements of stabilizing and steering components of aircraft
JPS5016298A (fr) * 1973-05-30 1975-02-20
US3891490A (en) * 1974-06-06 1975-06-24 Raychem Corp Welded polymeric articles and process
US4083656A (en) * 1975-03-21 1978-04-11 Textron, Inc. Composite rotor blade
US4095322A (en) * 1976-08-30 1978-06-20 The Boeing Company Method of fabricating a composite aerodynamic rotorblade assembly
JPS5330599A (en) * 1976-08-30 1978-03-22 Boeing Co Aerodynamic rotary wing composite construction and method of manufacturing thereof
FR2381662A1 (fr) * 1977-02-28 1978-09-22 Aerospatiale Pale, notamment pour un rotor d'helicoptere, et son procede de fabrication
US4188171A (en) * 1977-08-02 1980-02-12 The Boeing Company Rotor blade internal damper
US4299540A (en) * 1979-01-02 1981-11-10 Textron Inc. Tail rotor blade
GB2040790B (en) * 1979-02-05 1982-10-13 Westland Aircraft Ltd Moulding hollow articles
US4247348A (en) * 1979-03-19 1981-01-27 Sears Manufacturing Company Process for molding cloth including a fabric layer, the stitches thereof having never been thermally set and molding a cloth-covered foam filled product
US4379013A (en) * 1980-09-30 1983-04-05 The Boeing Company Fine film pressure bags forming composite structures
US4470862A (en) * 1982-05-27 1984-09-11 United Technologies Corporation Manufacture of fiber reinforced articles

Also Published As

Publication number Publication date
GB2148821A (en) 1985-06-05
IT1161534B (it) 1987-03-18
FR2554078A1 (fr) 1985-05-03
JPS60166593A (ja) 1985-08-29
DE3438312A1 (de) 1985-05-09
GB8426454D0 (en) 1984-11-28
DE3438312C2 (de) 1997-10-23
GB2148821B (en) 1987-04-01
IT8368112A0 (it) 1983-10-26
US4650534A (en) 1987-03-17

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse