IT1231048B - Sistema di ritegno per pale di elica. - Google Patents

Sistema di ritegno per pale di elica.

Info

Publication number
IT1231048B
IT1231048B IT8921835A IT2183589A IT1231048B IT 1231048 B IT1231048 B IT 1231048B IT 8921835 A IT8921835 A IT 8921835A IT 2183589 A IT2183589 A IT 2183589A IT 1231048 B IT1231048 B IT 1231048B
Authority
IT
Italy
Prior art keywords
propeller blades
retainer system
retainer
propeller
blades
Prior art date
Application number
IT8921835A
Other languages
English (en)
Other versions
IT8921835A0 (it
Inventor
Baker Elston Sidney Iii
Hugo Simon Victor Iii
Yang Tseng Wu
Nmn Butler Lawrence
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8921835A0 publication Critical patent/IT8921835A0/it
Application granted granted Critical
Publication of IT1231048B publication Critical patent/IT1231048B/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
    • 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
    • B64C11/06—Blade mountings for variable-pitch blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Support Of The Bearing (AREA)
IT8921835A 1988-12-14 1989-09-26 Sistema di ritegno per pale di elica. IT1231048B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28420188A 1988-12-14 1988-12-14

Publications (2)

Publication Number Publication Date
IT8921835A0 IT8921835A0 (it) 1989-09-26
IT1231048B true IT1231048B (it) 1991-11-12

Family

ID=23089270

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921835A IT1231048B (it) 1988-12-14 1989-09-26 Sistema di ritegno per pale di elica.

Country Status (9)

Country Link
JP (1) JPH02179598A (it)
KR (1) KR900009391A (it)
CN (1) CN1043479A (it)
BE (1) BE1003122A5 (it)
DE (1) DE3926247A1 (it)
FR (1) FR2640227A1 (it)
GB (1) GB2226087A (it)
IT (1) IT1231048B (it)
SE (1) SE8902616L (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE502207C2 (sv) * 1992-10-14 1995-09-18 Flaekt Ab Vinkeljusterbar skovelupphängning
FR2862609B1 (fr) * 2003-11-21 2007-03-09 Roulements Soc Nouvelle Dispositif de montage d'une pale a angle d'incidence variable
DK2212194T3 (en) * 2007-11-01 2017-12-04 Windurance Llc SYSTEM AND PROCEDURE FOR MANAGING A TURBINE BLADE
FR2933955B1 (fr) * 2008-07-18 2010-09-03 Snecma Dispositif d'attache d'une pale a calage variable
FR2951435B1 (fr) * 2009-10-15 2012-02-03 Snecma Dispositif adapte pour etre pourvu de pales d'helice
FR2953486B1 (fr) * 2009-12-07 2011-11-18 Snecma Moyeu d'helice a anneau polygonal plein et turbomachine equipee d'un tel moyeu
FR2953487B1 (fr) * 2009-12-07 2011-11-18 Snecma Moyeu d'helice a anneau polygonal renforce et turbomachine equipee d'un tel moyeu.
US9255583B2 (en) 2009-12-07 2016-02-09 Snecma Propeller hub having a reinforced polygonal ring and turbine engine provided with such a hub
FR2958621B1 (fr) * 2010-04-09 2012-03-23 Snecma Helice non carenee pour turbomachine.
FR2996592B1 (fr) 2012-10-10 2014-12-19 Snecma Helice comportant une ecope dynamique mobile
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US20160290228A1 (en) * 2015-04-06 2016-10-06 General Electric Company Fan bearings for a turbine engine
JP6285500B2 (ja) * 2015-07-08 2018-02-28 ジーイー・アビエイション・システムズ・エルエルシー ピッチ制御組立体及びプロペラ組立体並びにピッチを調整する方法
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system
US12601271B2 (en) 2022-10-21 2026-04-14 General Electric Company Variable pitch fan of a gas turbine engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB426696A (en) * 1933-10-20 1935-04-08 An Alfa Romeo Soc Improvements in or relating to variable pitch screw-propellers
GB451518A (en) * 1935-03-08 1936-08-07 Albert George Elliott Improvements in variable pitch airscrews
GB485102A (en) * 1936-11-13 1938-05-13 Arthur Frederick Evans Improvements in variable-pitch airscrews for aircraft
GB485982A (en) * 1937-01-06 1938-05-27 Ver Deutsche Metallwerke Ag Improvements in or relating to mountings for the blade roots of variable pitch propellers
GB485978A (en) * 1937-01-09 1938-05-27 Ver Deutsche Metallwerke Ag Improvements in or relating to variable pitch propellers
GB825303A (en) * 1957-04-15 1959-12-16 Rotol Ltd Improvements in or relating to variable pitch propellers
US4863352A (en) * 1984-11-02 1989-09-05 General Electric Company Blade carrying means
GB2192943A (en) * 1986-07-26 1988-01-27 Rolls Royce Plc A variable pitch blade assembly

Also Published As

Publication number Publication date
IT8921835A0 (it) 1989-09-26
FR2640227A1 (fr) 1990-06-15
GB8918334D0 (en) 1989-09-20
SE8902616L (sv) 1990-06-15
KR900009391A (ko) 1990-07-04
JPH02179598A (ja) 1990-07-12
CN1043479A (zh) 1990-07-04
SE8902616D0 (sv) 1989-07-28
BE1003122A5 (fr) 1991-12-03
GB2226087A (en) 1990-06-20
DE3926247A1 (de) 1990-06-21

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