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IT1057404B - Perfezionamento nelle pale a struttura composita per rotori di elicotteri e simili - Google Patents

Perfezionamento nelle pale a struttura composita per rotori di elicotteri e simili

Info

Publication number
IT1057404B
IT1057404B IT48664/76A IT4866476A IT1057404B IT 1057404 B IT1057404 B IT 1057404B IT 48664/76 A IT48664/76 A IT 48664/76A IT 4866476 A IT4866476 A IT 4866476A IT 1057404 B IT1057404 B IT 1057404B
Authority
IT
Italy
Prior art keywords
improvement
similar
composite structure
helicopter rotors
structure blades
Prior art date
Application number
IT48664/76A
Other languages
English (en)
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Application granted granted Critical
Publication of IT1057404B publication Critical patent/IT1057404B/it

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT48664/76A 1975-03-21 1976-03-18 Perfezionamento nelle pale a struttura composita per rotori di elicotteri e simili IT1057404B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/560,587 US4083656A (en) 1975-03-21 1975-03-21 Composite rotor blade

Publications (1)

Publication Number Publication Date
IT1057404B true IT1057404B (it) 1982-03-10

Family

ID=24238437

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48664/76A IT1057404B (it) 1975-03-21 1976-03-18 Perfezionamento nelle pale a struttura composita per rotori di elicotteri e simili

Country Status (7)

Country Link
US (1) US4083656A (it)
JP (1) JPS51146097A (it)
CA (1) CA1029703A (it)
DE (1) DE2611235C2 (it)
FR (1) FR2304512A1 (it)
GB (1) GB1507631A (it)
IT (1) IT1057404B (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2381662A1 (fr) * 1977-02-28 1978-09-22 Aerospatiale Pale, notamment pour un rotor d'helicoptere, et son procede de fabrication
US4304376A (en) * 1977-12-05 1981-12-08 The Boeing Company Composite honeycomb core structures and single stage hot bonding method of producing such structures
GB2041861B (en) * 1979-02-09 1983-04-13 Boeing Co Composite honeycomb core structures and single stage hot bonding method of producing such structures
DE3103710C2 (de) * 1981-02-04 1983-03-24 Messerschmitt-Bölkow-Blohm GmbH, 8000 München "Rotor in Schalenbauweise"
DE3114567A1 (de) * 1981-04-10 1982-10-28 Messerschmitt-Bölkow-Blohm GmbH, 8000 München "grossflaechiges rotorblatt"
US4787583A (en) * 1982-10-12 1988-11-29 Conoco Inc. Clamp for arctic pipeline support
IT1161533B (it) * 1983-10-26 1987-03-18 Agusta Aeronaut Costr Pala per elicottero
IT1161534B (it) * 1983-10-26 1987-03-18 Agusta Aeronaut Costr Longherone per pala di elicottero e metodo per la sua realizzazione
US4601639A (en) * 1984-03-19 1986-07-22 Bell Helicopter Textron Inc. Nodalized rotor
FR2748718B1 (fr) * 1985-10-09 1998-12-24 Aerospatiale Pale a vulnerabilite reduite pour rotors de giravions, et son procede de fabrication
FR2748719B1 (fr) * 1987-06-26 1999-05-07 Aerospatiale Pale a faible signature radar
US5074753A (en) * 1989-10-16 1991-12-24 Bell Helicopter Textron Inc. Rotor blade
FR2676986B1 (fr) * 1991-05-27 1993-09-17 Duqueine Procede pour la realisation d'une pale d'helice.
DE4335221C1 (de) * 1993-10-15 1995-03-16 Deutsche Forsch Luft Raumfahrt Rotorblatt für Windkraftanlagen
JP4031062B2 (ja) * 1995-08-11 2008-01-09 株式会社荏原製作所 プラスチック製部品及びその製造方法
US5868351A (en) * 1996-05-23 1999-02-09 Bell Helicopter Textron Inc. Rotor blade stowing system
DE19833869C5 (de) * 1998-07-22 2004-07-01 EUROS Entwicklungsgesellschaft für Windkraftanlagen Vorrichtung zur Herstellung von Rotorblättern
EP1475304B1 (en) * 2003-05-09 2009-09-02 Pilatus Flugzeugwerke Ag Aircraft wing
ES2310489B1 (es) * 2007-06-29 2009-10-27 Manuel Torres Martinez Sistema de construccion de palas de aerogenerador.
EP2222553B1 (en) * 2007-12-18 2013-09-11 Bell Helicopter Textron Inc. Rotor blade and method of making same
US8123463B2 (en) * 2008-07-31 2012-02-28 General Electric Company Method and system for manufacturing a blade
GB0900494D0 (en) 2009-01-14 2009-02-11 Airbus Uk Ltd Aerofoil Structure
FR2942278B1 (fr) * 2009-02-17 2015-06-19 Airbus France Aube pour recepteur de turbomachine d'aeronef, pourvue de deux ames creuses logees l'une dans l'autre
US8807931B2 (en) * 2010-01-04 2014-08-19 General Electric Company System for impact zone reinforcement
US8858183B2 (en) * 2010-02-26 2014-10-14 Sikorsky Aircraft Corporation Rotor blade for a rotary-wing aircraft
US8968437B2 (en) * 2012-05-02 2015-03-03 Michael J Kline Jet engine with deflector
US20140119930A1 (en) * 2012-10-30 2014-05-01 Bell Helicopter Textron Inc. Method of Repairing, Splicing, Joining, Machining, and Stabilizing Honeycomb Core Using Pourable Structural Foam and a Structure Incorporating the Same
US10576699B2 (en) 2016-08-09 2020-03-03 Sikorsky Aircraft Corporation Bond fixture for root end laminate or rotor blade
US10710712B2 (en) 2018-03-26 2020-07-14 Bell Helicopter Textron Inc. Rotor blade afterbody

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588570A (en) * 1946-10-31 1952-03-11 Autogiro Co Of America Blade construction for aircraft sustaining rotors
US2954828A (en) * 1953-06-19 1960-10-04 Sud Aviation Laminated airfoil structure
DE1045810B (de) * 1957-05-17 1958-12-04 Allgaier Werke G M B H Aus faserverstaerkten Kunststoffschalen oder -platten bestehender Koerper, insbesondere Trag- oder Antriebsfluegel, und Verfahren und Werkzeug zu seiner Herstellung
US3028292A (en) * 1957-05-27 1962-04-03 Parsons Corp Method of manufacturing plastic rotor blades
GB909617A (en) * 1960-03-26 1962-10-31 Westland Aircraft Ltd Improvements in or relating to blades for rotary wing aircraft
FR1334446A (fr) * 1961-06-28 1963-08-09 Bolkow Entwicklungen Kg Articulation sans frottement
US3237697A (en) * 1963-02-11 1966-03-01 Boeing Co Helicopter rotor blade
US3176775A (en) * 1963-05-28 1965-04-06 Clemens Ronald Structures of aerofoil shape
FR1382031A (fr) * 1964-02-11 1964-12-14 Boeing Co Pale rotative d'avion et procédé pour sa fabrication
FR1443155A (fr) * 1965-03-24 1966-06-24 Sud Aviation Perfectionnements apportés aux pales d'hélicoptère et à leurs procédés et appareillages de fabrication
US3321019A (en) * 1965-10-22 1967-05-23 United Aircraft Corp Fiberglass blade
US3476625A (en) * 1966-05-03 1969-11-04 Parsons Corp Method of forming a composite spar about a metal tube
DE1506573B1 (de) * 1967-06-30 1969-09-25 Messerschmitt Boelkow Blohm Verankerung eines aus glasfaserverstaerktem Kunststoff bestehenden Bauteiles,insbesondere eines Rotorblattes
DE1531374A1 (de) * 1967-09-12 1970-01-29 Messerschmitt Boelkow Blohm Rotorblatt aus faserverstaerktem Kunststoff mit schlaufenartiger Blattwurzel
US3533714A (en) * 1967-09-12 1970-10-13 Bolkow Gmbh Rotor blade construction
US3477796A (en) * 1967-09-14 1969-11-11 Bolkow Gmbh Helicopter rotor construction
US3484174A (en) * 1968-04-08 1969-12-16 Kaman Corp Rotary wing system
US3528753A (en) * 1968-06-14 1970-09-15 United Aircraft Corp Helicopter blade with non-homogeneous structural spar
GB1262704A (en) * 1968-08-10 1972-02-02 Messerschmitt Boelkow Blohm Helicopter rotor blade
US3779487A (en) * 1971-04-19 1973-12-18 L Ashton Light weight contoured load carrying structure
FR2186360A1 (it) * 1972-05-30 1974-01-11 Divorne Edouard
US3754840A (en) * 1972-05-31 1973-08-28 United Aircraft Corp Composite helicopter rotor and blade
US3782856A (en) * 1972-05-31 1974-01-01 United Aircraft Corp Composite aerodynamic blade with twin-beam spar
US3813186A (en) * 1972-10-10 1974-05-28 Textron Inc Rotor blade shear reinforcement
FR2234130B1 (it) * 1973-05-14 1976-04-30 Kamov Nikolai
DE2325732B2 (de) * 1973-05-21 1980-07-31 Nikolaj Ilitsch Kamov Verfahren zur Herstellung eines hohlen Hubschrauberrotorblattes oder des hohlen Hohns eines Hubschrauberrotorblattes
FR2252916B1 (it) * 1973-11-30 1978-02-24 Aerospatiale
DE2361850A1 (de) * 1973-12-12 1975-06-26 Larry J Ashton Tragende leichtbau-profilkonstruktion
US3962506A (en) * 1974-04-29 1976-06-08 Fiber Science, Inc. Multi-chambered cellular structure and method for manufacture

Also Published As

Publication number Publication date
FR2304512A1 (fr) 1976-10-15
DE2611235C2 (de) 1986-02-20
US4083656A (en) 1978-04-11
GB1507631A (en) 1978-04-19
JPS51146097A (en) 1976-12-15
DE2611235A1 (de) 1976-11-11
FR2304512B1 (it) 1982-11-12
JPS6210878B2 (it) 1987-03-09
CA1029703A (en) 1978-04-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950327