IT956852B - Meccanismo di attacco dell estremi ta di radice di una pala aerodina mica al mozzo centrale del rotore o dell elica - Google Patents

Meccanismo di attacco dell estremi ta di radice di una pala aerodina mica al mozzo centrale del rotore o dell elica

Info

Publication number
IT956852B
IT956852B IT26246/72A IT2624672A IT956852B IT 956852 B IT956852 B IT 956852B IT 26246/72 A IT26246/72 A IT 26246/72A IT 2624672 A IT2624672 A IT 2624672A IT 956852 B IT956852 B IT 956852B
Authority
IT
Italy
Prior art keywords
aerodine
propeller
mica
rotor
attaching
Prior art date
Application number
IT26246/72A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT956852B publication Critical patent/IT956852B/it

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)
IT26246/72A 1971-06-29 1972-06-27 Meccanismo di attacco dell estremi ta di radice di una pala aerodina mica al mozzo centrale del rotore o dell elica IT956852B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT956852B true IT956852B (it) 1973-10-10

Family

ID=22566125

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26246/72A IT956852B (it) 1971-06-29 1972-06-27 Meccanismo di attacco dell estremi ta di radice di una pala aerodina mica al mozzo centrale del rotore o dell elica

Country Status (6)

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

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236873A (en) * 1978-09-20 1980-12-02 United Technologies Corporation Wind turbine blade retention device
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 (en) * 2003-06-12 2004-12-15 SSP Technology A/S Wind turbine blade and method of manufacturing a blade root
BRPI0722212B1 (pt) * 2007-12-27 2019-12-03 Gen Electric lâmina de turbina de vento
WO2009111568A1 (en) * 2008-03-04 2009-09-11 Karem Aircraft, Inc. Composite blade root stucture
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 (en) 2017-01-30 2018-08-01 Ge Avio S.r.l. Transfer bearing collapsing device
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
CN113291487B (zh) * 2020-11-06 2025-05-06 惠阳航空螺旋桨有限责任公司 一种复材螺旋桨叶根连接结构
EP4567264A3 (en) 2022-12-22 2025-06-25 General Electric Company Component with spar assembly for a turbine engine

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

Also Published As

Publication number Publication date
FR2143695B1 (enExample) 1976-10-29
DE2228831A1 (de) 1973-01-11
FR2143695A1 (enExample) 1973-02-09
US3734642A (en) 1973-05-22
CA954109A (en) 1974-09-03
GB1323280A (en) 1973-07-11

Similar Documents

Publication Publication Date Title
IT956852B (it) Meccanismo di attacco dell estremi ta di radice di una pala aerodina mica al mozzo centrale del rotore o dell elica
IT981376B (it) Configurazione perfezionata della radice di una pala per rotore com posita
SE385038B (sv) Rotkuddar for sammansatta blad
CA962601A (en) Turbine rotor
IT967763B (it) Pala di elicottero
ZA739522B (en) Angle nut runner with integral torque transducer means of obtaining value of delivered torque
CA923043A (en) Rotor blade structure
BE566884A (fr) Perfectionnements relatifs a des helices ou analogues ayant des pales a pas reglable.
CA959026A (en) Fan connecting reinforcing cap to hub
CA927120A (en) Means for attaching a hub to a shaft
CA978205A (en) Vapor phase conversion of acetone to 3,5-xylenol in a single stage
CA958399A (en) Main rotor blade construction
IT1018236B (it) Pala di timone sollevabile verticalmente
FI58347B (fi) Foerfarande foer utvinning av koppar zink eller nickel fraon en malm innehaollande dessa i form av sulfidmineral foerenad med jaernsulfid
CA947572A (en) Diametrically cooperating rotor blades
CH502510A (de) Rotor mit am äusseren Umfang einer Turbinenwelle befestigten Laufschaufeln
SE402007B (sv) Forfarande for asymmetrisk omvandling av 3-fluor-l-alanin till motsvarande d-isomer
CA960472A (en) Means for connecting a blade to a mower shaft
AU459383B2 (en) Advanced geometry main rotor blade
AU5285373A (en) Composite blade root configuration
CA863157A (en) Rotor blade pitch lock
IT989435B (it) Tenuta per l albero dell elica di una nave
CA867210A (en) Rotor blade
BR7106020D0 (pt) Novo modelo de laminas de barbear de seguranca
AU3779772A (en) Shaft to blade attachment