DE2521363C2 - Hubschrauber-Rotorblatt - Google Patents

Hubschrauber-Rotorblatt

Info

Publication number
DE2521363C2
DE2521363C2 DE2521363A DE2521363A DE2521363C2 DE 2521363 C2 DE2521363 C2 DE 2521363C2 DE 2521363 A DE2521363 A DE 2521363A DE 2521363 A DE2521363 A DE 2521363A DE 2521363 C2 DE2521363 C2 DE 2521363C2
Authority
DE
Germany
Prior art keywords
rotor blade
spar
carrier
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
DE2521363A
Other languages
German (de)
English (en)
Other versions
DE2521363A1 (de
Inventor
James Lee Braswell
Cecil Edward Covington
Nolan Bryant Phillips
David Edward Tarrant Tex. Snyder
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.)
Textron Inc
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
Publication of DE2521363A1 publication Critical patent/DE2521363A1/de
Application granted granted Critical
Publication of DE2521363C2 publication Critical patent/DE2521363C2/de
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)
  • Moulding By Coating Moulds (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Emergency Lowering Means (AREA)
DE2521363A 1974-05-16 1975-05-14 Hubschrauber-Rotorblatt Expired DE2521363C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/470,520 US4120610A (en) 1974-05-16 1974-05-16 Helicopter blade structure

Publications (2)

Publication Number Publication Date
DE2521363A1 DE2521363A1 (de) 1975-12-04
DE2521363C2 true DE2521363C2 (de) 1986-02-20

Family

ID=23867935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2521363A Expired DE2521363C2 (de) 1974-05-16 1975-05-14 Hubschrauber-Rotorblatt

Country Status (7)

Country Link
US (1) US4120610A (OSRAM)
JP (1) JPS5950558B2 (OSRAM)
CA (1) CA1017732A (OSRAM)
DE (1) DE2521363C2 (OSRAM)
FR (1) FR2271122B1 (OSRAM)
GB (1) GB1461723A (OSRAM)
IT (1) IT1035748B (OSRAM)

Families Citing this family (23)

* 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
DE2721651C3 (de) * 1977-05-13 1981-02-12 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Tragflügelhauptanschluß für Luft- und Raumfahrzeuge
US4247255A (en) * 1979-03-15 1981-01-27 The Boeing Company Composite rotor blade root end
US4316700A (en) * 1979-04-03 1982-02-23 Schramm Burford J Unitary, bonded-together helicopter rotorblade
DE3004451C2 (de) * 1980-02-07 1985-04-04 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Elastomere Dämpfungseinrichtung
IT1210605B (it) * 1981-02-05 1989-09-14 Agusta Aeronaut Costr Metodo per la realizzazione di longheroni per pale di elicottero
US4466774A (en) * 1982-08-30 1984-08-21 United Technologies Corporation Composite flexbeam joint
DE3418361A1 (de) * 1984-05-17 1984-10-18 Herbert Dipl.-Ing. 8000 München Gohle Vorrichtung zur verringerung der drosselverluste bei kolbenmotoren unter teillast durch phasenanschnittsteuerung der ventile
JPS63198354U (OSRAM) * 1987-05-13 1988-12-21
FR2620178B1 (fr) * 1987-09-09 1990-01-19 Aerospatiale Dispositif d'attache a douilles, et pale de rotor munie d'un tel dispositif d'attache a un moyeu
FR2741590B1 (fr) * 1995-11-29 1998-01-30 Eurocopter France Pale a blindage de protection renforcee contre la foudre, pour rotor de giravion
US5885059A (en) * 1996-12-23 1999-03-23 Sikorsky Aircraft Corporation Composite tip cap assembly for a helicopter main rotor blade
US6976829B2 (en) * 2003-07-16 2005-12-20 Sikorsky Aircraft Corporation Rotor blade tip section
US7303374B2 (en) * 2005-03-08 2007-12-04 The Boeing Company Disbond resistant composite joint and method of forming
US7176812B1 (en) * 2005-08-04 2007-02-13 The United States Of America As Represented By The Secretary Of The Navy Wireless blade monitoring system and process
US7762785B2 (en) * 2007-12-10 2010-07-27 Sikorsky Aircraft Corporation Main rotor blade with integral tip section
US8262344B2 (en) * 2008-04-02 2012-09-11 Hamilton Sundstrand Corporation Thermal management system for a gas turbine engine
US8275585B2 (en) 2008-04-26 2012-09-25 Sikorsky Aircraft Corporation Spherical elastomeric bearing with improved shim thickness
US8858183B2 (en) * 2010-02-26 2014-10-14 Sikorsky Aircraft Corporation Rotor blade for a rotary-wing aircraft
US10167075B2 (en) * 2013-06-25 2019-01-01 The Boeing Company Joint assembly and method of forming thereof
US10351229B2 (en) 2014-05-15 2019-07-16 Sikorsky Aircraft Corporation Metallic dimpled doubler
FR3023747B1 (fr) * 2014-07-18 2017-03-10 Airbus Helicopters Procede de fabrication d'un longeron d'une pale, et de fabrication d'une pale
EP3972898A4 (en) * 2019-06-20 2023-12-20 Galactic Co., LLC INTEGRATED PULTRUDE COMPOSITE PROFILES AND METHOD FOR PRODUCING THE SAME

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034985B (de) * 1953-10-21 1958-07-24 Parsons Corp Metallischer Drehfluegel
US3237697A (en) * 1963-02-11 1966-03-01 Boeing Co Helicopter rotor blade
DE1264266B (de) * 1963-03-29 1968-03-21 Boelkow Gmbh Verfahren zum Herstellen von Rotorblaettern aus glasfaserverstaerktem Kunststoff
US3333642A (en) * 1965-07-26 1967-08-01 United Aircraft Corp Helicopter blade or blade spar construction
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
GB1214858A (en) * 1968-05-20 1970-12-09 Westland Aircraft Ltd Improvements in or relating to the construction of rotor blades for rotary wing aircraft
US3528753A (en) * 1968-06-14 1970-09-15 United Aircraft Corp Helicopter blade with non-homogeneous structural spar
US3713751A (en) * 1970-10-29 1973-01-30 United Aircraft Corp Aerodynamic blade with high stiffness-to-weight ratio
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

Also Published As

Publication number Publication date
DE2521363A1 (de) 1975-12-04
GB1461723A (en) 1977-01-19
FR2271122A1 (OSRAM) 1975-12-12
FR2271122B1 (OSRAM) 1982-03-19
JPS5950558B2 (ja) 1984-12-08
US4120610A (en) 1978-10-17
IT1035748B (it) 1979-10-20
AU8117075A (en) 1976-11-18
JPS5123999A (OSRAM) 1976-02-26
CA1017732A (en) 1977-09-20

Similar Documents

Publication Publication Date Title
DE2521363C2 (de) Hubschrauber-Rotorblatt
DE2621914C2 (de) Hubschrauber-Heckrotor
DE2451860C3 (de) Rotorblatt für Drehflügelflugzeuge
DE69002313T2 (de) Statorelement einer Turbomaschine.
DE2942519C2 (OSRAM)
DE2855570C2 (de) Stabförmiges Bauelement
DE4329744C1 (de) Flügel mit Flügelschalen aus Faserverbundwerkstoffen, insbesondere CFK, für Luftfahrzeuge
DE2111279A1 (de) Befestigungsvorrichtung fuer Rotorblaetter von Drehfluegelflugzeugen,insbesondere Hubschraubern
DE2937895C2 (de) Vorrichtung zur Befestigung eines faserverstärkten Rotorflügels an der Nabe einer Windkraftanlage
DE2520952C2 (de) Rotorblattanschluß für ein Drehflügelflugzeug, insbesondere Hubschrauber
DE68914567T2 (de) Hybride Hubschrauberrotornabenplatte.
DE2441555B2 (de) Leichtes Steuerschwungrad
DE2611235A1 (de) Rotorblatt, insbesondere fuer hubschrauber
DE2720133A1 (de) Faserverstaerktes bauteil aus kunststoff, insbesondere hubschrauber- rotorblatt
DE2826656B2 (de) Anschlußelement für einen Flügel aus faserverstärktem Kunststoff
DE3131660A1 (de) "kraftuebertragungsglied"
EP0046850B1 (de) Stegbauteil für ein Anschlusselement
DE2712706C2 (de) Rotor eines Drehflügelflugzeugs
DE3438802A1 (de) Versteifte rohrfoermige propellerwelle
DE2058028C3 (de) Zugband-Verbindungskörper
DE1906764A1 (de) Starre Nabe fuer Luftschrauben und Turbomaschinen mit veraenderlicher Steigung
DE102019128487A1 (de) Verbindung zwischen Längssegmenten eines Rotorblattes des Rotors einer Windenergieanlage
DE2424068B2 (de) Verfahren zur herstellung einer verbundschicht
DE2733101B2 (de) Schlag- und schwenkgelenklose Rotorblattlagerung
DE8414654U1 (de) Drehsteife, beugeelastische wellenkupplung

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8328 Change in the person/name/address of the agent

Free format text: STOLBERG-WERNIGERODE, GRAF ZU, U., DIPL.-CHEM. DR.RER.NAT. SUCHANTKE, J., DIPL.-ING., PAT.-ANWAELTE, 2000 HAMBURG