IT1231537B - Apparato per la messa in bandiera di elica o di ventola. - Google Patents

Apparato per la messa in bandiera di elica o di ventola.

Info

Publication number
IT1231537B
IT1231537B IT8919482A IT1948289A IT1231537B IT 1231537 B IT1231537 B IT 1231537B IT 8919482 A IT8919482 A IT 8919482A IT 1948289 A IT1948289 A IT 1948289A IT 1231537 B IT1231537 B IT 1231537B
Authority
IT
Italy
Prior art keywords
flaging
propeller
fan
Prior art date
Application number
IT8919482A
Other languages
English (en)
Other versions
IT8919482A0 (it
Inventor
Jan Christopher Schilling
Arthur Paul Adamson
Julius Bathori
Neil Walker
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
Priority claimed from US07/196,888 external-priority patent/US4913623A/en
Application filed by Gen Electric filed Critical Gen Electric
Publication of IT8919482A0 publication Critical patent/IT8919482A0/it
Application granted granted Critical
Publication of IT1231537B publication Critical patent/IT1231537B/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
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/34—Blade pitch-changing mechanisms mechanical automatic
    • B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Transmission Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT8919482A 1988-05-20 1989-02-17 Apparato per la messa in bandiera di elica o di ventola. IT1231537B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/196,888 US4913623A (en) 1985-11-12 1988-05-20 Propeller/fan-pitch feathering apparatus

Publications (2)

Publication Number Publication Date
IT8919482A0 IT8919482A0 (it) 1989-02-17
IT1231537B true IT1231537B (it) 1991-12-17

Family

ID=22727161

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8919482A IT1231537B (it) 1988-05-20 1989-02-17 Apparato per la messa in bandiera di elica o di ventola.

Country Status (5)

Country Link
JP (1) JPH01314696A (it)
DE (1) DE3906814A1 (it)
FR (1) FR2631603A1 (it)
GB (1) GB2218747B (it)
IT (1) IT1231537B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9114894D0 (en) * 1991-07-10 1991-08-28 Dowty Aerospace Gloucester A pitch control mechanism
FR2928977B1 (fr) 2008-03-21 2010-04-09 Snecma Systeme d'helices contrarotatives disposant d'un dispositif de mise en drapeau des pales d'helices
FR2937678B1 (fr) * 2008-10-23 2013-11-22 Snecma Dispositif de commande de l'orientation des pales de soufflante d'un turbopropulseur
FR2956854B1 (fr) 2010-03-01 2012-08-17 Snecma Dispositif de commande de l'orientation des pales de soufflante d'un turbopropulseur par contrepoids.
FR2965021B1 (fr) * 2010-09-22 2015-04-03 Snecma Verin hydraulique pour systeme de commande de l'orientation des pales de soufflante d'un turbopropulseur.
FR2967397B1 (fr) * 2010-11-16 2012-11-16 Snecma Dispositif de passage d'une helice en reverse comportant un actuateur agissant sur un maneton
FR3009710B1 (fr) 2013-08-14 2017-04-14 Snecma Rotor pour helice de turbomachine avec dispositif de mise en drapeau des pales de l'helice
US9527579B2 (en) 2013-10-25 2016-12-27 Hamilton Sundstrand Corporation Pivoting blade counterweight
CA2891864A1 (en) * 2014-05-30 2015-11-30 Daniel Alan NIERGARTH Variable-pitch rotor with remote counterweights
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
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US11505306B2 (en) 2021-04-05 2022-11-22 General Electric Company Variable pitch fan assembly with remote counterweights
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB293307A (en) * 1927-07-02 1929-12-30 Robert Richard Gobereau Propellers with automatically variable pitch
US2306096A (en) * 1938-11-05 1942-12-22 Edwin W Vose Aircraft propeller
NL8303401A (nl) * 1982-11-01 1984-06-01 Gen Electric Aandrijfturbine voor tegengesteld draaiende propellers.
US4657484A (en) * 1984-09-04 1987-04-14 General Electric Company Blade pitch varying means
US4621978A (en) * 1984-12-03 1986-11-11 General Electric Company Counterrotating power turbine
CA1262409A (en) * 1985-05-01 1989-10-24 Kenneth Odell Johnson Counter rotation power turbine
GB2182727B (en) * 1985-11-12 1989-09-27 Gen Electric Propeller/fan pitch feathering apparatus
US4772180A (en) * 1986-08-29 1988-09-20 General Electric Company Aircraft thrust control

Also Published As

Publication number Publication date
GB8902397D0 (en) 1989-03-22
DE3906814A1 (de) 1989-11-30
IT8919482A0 (it) 1989-02-17
GB2218747B (en) 1993-01-27
JPH01314696A (ja) 1989-12-19
FR2631603A1 (fr) 1989-11-24
GB2218747A (en) 1989-11-22

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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: 19940224