FR2143695A1 - - Google Patents

Info

Publication number
FR2143695A1
FR2143695A1 FR7220727A FR7220727A FR2143695A1 FR 2143695 A1 FR2143695 A1 FR 2143695A1 FR 7220727 A FR7220727 A FR 7220727A FR 7220727 A FR7220727 A FR 7220727A FR 2143695 A1 FR2143695 A1 FR 2143695A1
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
FR7220727A
Other versions
FR2143695B1 (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 FR2143695A1 publication Critical patent/FR2143695A1/fr
Application granted granted Critical
Publication of FR2143695B1 publication Critical patent/FR2143695B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • 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
    • B64C27/48—Root attachment to rotor head

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR7220727A 1971-06-29 1972-06-02 Expired FR2143695B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15796871A 1971-06-29 1971-06-29

Publications (2)

Publication Number Publication Date
FR2143695A1 true FR2143695A1 (fr) 1973-02-09
FR2143695B1 FR2143695B1 (fr) 1976-10-29

Family

ID=22566125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220727A Expired FR2143695B1 (fr) 1971-06-29 1972-06-02

Country Status (6)

Country Link
US (1) US3734642A (fr)
CA (1) CA954109A (fr)
DE (1) DE2228831A1 (fr)
FR (1) FR2143695B1 (fr)
GB (1) GB1323280A (fr)
IT (1) IT956852B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436891A1 (fr) * 1978-09-20 1980-04-18 United Technologies Corp Dispositif de retenue des pales des turbines eoliennes

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373862A (en) * 1981-10-26 1983-02-15 United Technologies Corporation Rotor blade shaft integrity monitoring system
SE507712C2 (sv) * 1996-11-08 1998-07-06 Flaekt Ab Rotorblad för fastsättning på ett fläktnav eller liknande
DE19903550C1 (de) * 1999-01-29 2000-05-25 Muehlbauer Luftfahrttechn Gmbh Blattwurzel für Propeller- und Rotorblätter
US6305905B1 (en) 1999-05-05 2001-10-23 United Technologies Corporation Bolted-on propeller blade
DE10034958A1 (de) * 2000-07-19 2002-02-07 Aloys Wobben Rotorblattnabe
US6666651B2 (en) * 2002-02-20 2003-12-23 Jim Rust Composite propeller blade with unitary metal ferrule and method of manufacture
EP1486415A1 (fr) * 2003-06-12 2004-12-15 SSP Technology A/S Pale de turbine éolienne et procédé de fabrication de la base d'une pale d'éolienne
EP2235364B1 (fr) * 2007-12-27 2013-10-23 General Electric Company Rebord flexible de bouclier de pied de pale d'éolienne
WO2009111568A1 (fr) * 2008-03-04 2009-09-11 Karem Aircraft, Inc. Structure de racine de pale composite
US8353673B2 (en) * 2008-04-26 2013-01-15 Sikorsky Aircraft Corporation Main rotor blade with integral cuff
US8075280B2 (en) * 2008-09-08 2011-12-13 Siemens Energy, Inc. Composite blade and method of manufacture
DE102009024845A1 (de) * 2009-06-09 2010-12-16 Howaldtswerke-Deutsche Werft Gmbh Propeller
US8540481B2 (en) * 2010-04-13 2013-09-24 Rolls-Royce Corporation Rotor blade assembly
FR2984847B1 (fr) * 2011-12-23 2013-12-27 Ratier Figeac Soc Pale a ancrage redondant dans un moyeu, helice, turbopropulseur et aeronef
US9239040B2 (en) * 2012-02-16 2016-01-19 General Electric Company Root end assembly configuration for a wind turbine rotor blade and associated forming methods
US20150093250A1 (en) * 2013-09-30 2015-04-02 General Electric Company Root stiffener assembly for a wind turbine rotor blade
US20150110630A1 (en) * 2013-10-17 2015-04-23 Hamilton Sundstrand Corporation Retention assembly for a propeller blade
US20150110633A1 (en) * 2013-10-18 2015-04-23 Hamilton Sundstrand Corporation Retention assembly with a conical interface for a propeller blade
FR3021030B1 (fr) * 2014-05-14 2018-01-05 Ratier Figeac Pale a ancrage securise en translation radiale, helice, turbomachine et aeronef
US10145244B2 (en) 2015-07-06 2018-12-04 Bell Helicopter Textron Inc. Rotorcraft rotor blade assembly
EP3354562A1 (fr) 2017-01-30 2018-08-01 Ge Avio S.r.l. Dispositif d'écrasement de palier de transfert
JP6475767B2 (ja) * 2017-02-09 2019-02-27 三菱重工業株式会社 風車翼、及び風車翼の補強方法
US10717516B2 (en) * 2017-04-10 2020-07-21 Rotating Composite Technologies, Llc Composite propulsor blade support structure and system
DE102017004056A1 (de) * 2017-04-27 2018-10-31 Senvion Gmbh Blattadapter für Windenergieanlagen
DE102018130895A1 (de) * 2018-12-04 2020-06-04 Wobben Properties Gmbh Rotor für eine Windenergieanlage und Verfahren
EP4389596A1 (fr) * 2022-12-22 2024-06-26 General Electric Company Composant avec ensemble longeron pour moteur à turbine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240873A (en) * 1937-11-11 1941-05-06 Dehavilland Aircraft Mounting of airscrew blades
FR50125E (fr) * 1938-11-24 1939-12-13 Procédé de fixation des pales d'hélices sur leur moyeu
US3237697A (en) * 1963-02-11 1966-03-01 Boeing Co Helicopter rotor blade
US3292712A (en) * 1965-04-29 1966-12-20 Lord Corp Rotor head
US3303889A (en) * 1966-02-15 1967-02-14 Curtiss Wright Corp Propeller blade and hub assembly
US3603701A (en) * 1969-08-28 1971-09-07 Tadeusz Tarcrynski Composite rotor blade retention

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436891A1 (fr) * 1978-09-20 1980-04-18 United Technologies Corp Dispositif de retenue des pales des turbines eoliennes

Also Published As

Publication number Publication date
DE2228831A1 (de) 1973-01-11
GB1323280A (en) 1973-07-11
FR2143695B1 (fr) 1976-10-29
CA954109A (en) 1974-09-03
US3734642A (en) 1973-05-22
IT956852B (it) 1973-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse