IT1176626B - Sistema di propulsione ad elica per aeroplano - Google Patents

Sistema di propulsione ad elica per aeroplano

Info

Publication number
IT1176626B
IT1176626B IT22386/84A IT2238684A IT1176626B IT 1176626 B IT1176626 B IT 1176626B IT 22386/84 A IT22386/84 A IT 22386/84A IT 2238684 A IT2238684 A IT 2238684A IT 1176626 B IT1176626 B IT 1176626B
Authority
IT
Italy
Prior art keywords
airplane
propeller system
propulsion propeller
propulsion
propeller
Prior art date
Application number
IT22386/84A
Other languages
English (en)
Other versions
IT8422386A0 (it
Inventor
Kenneth Odell Johnson
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 IT8422386A0 publication Critical patent/IT8422386A0/it
Application granted granted Critical
Publication of IT1176626B publication Critical patent/IT1176626B/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
    • B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Vehicle Body Suspensions (AREA)
  • Soil Working Implements (AREA)
  • Vending Machines For Individual Products (AREA)
  • Transmission Devices (AREA)
  • Retarders (AREA)
IT22386/84A 1983-08-29 1984-08-22 Sistema di propulsione ad elica per aeroplano IT1176626B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52714183A 1983-08-29 1983-08-29

Publications (2)

Publication Number Publication Date
IT8422386A0 IT8422386A0 (it) 1984-08-22
IT1176626B true IT1176626B (it) 1987-08-18

Family

ID=24100264

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22386/84A IT1176626B (it) 1983-08-29 1984-08-22 Sistema di propulsione ad elica per aeroplano

Country Status (6)

Country Link
JP (1) JPS6085202A (it)
CA (1) CA1258846A (it)
DE (1) DE3431165A1 (it)
FR (1) FR2551023B1 (it)
GB (1) GB2145777B (it)
IT (1) IT1176626B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563129A (en) * 1983-12-08 1986-01-07 United Technologies Corporation Integrated reduction gear and counterrotation propeller
GB2173863B (en) * 1985-04-17 1989-07-19 Rolls Royce Plc A propeller module for an aero gas turbine engine
GB8517474D0 (en) * 1985-07-10 1985-08-14 Dowty Rotol Ltd Variable-pitch bladed rotors
GB2180892B (en) * 1985-09-28 1990-03-07 Dowty Rotol Ltd A control system for a bladed rotor assembly
GB2182397B (en) * 1985-11-02 1989-10-04 Rolls Royce Plc Propeller module for an aero gas turbine engine
GB2186918B (en) * 1986-02-25 1989-11-15 Rolls Royce Propeller module for an aero gas turbine engine
US4767270A (en) * 1986-04-16 1988-08-30 The Boeing Company Hoop fan jet engine
US4718823A (en) * 1987-02-24 1988-01-12 United Technologies Corporation Pitch changing mechanism for fan blades
GB2209575A (en) * 1987-09-05 1989-05-17 Rolls Royce Plc A gearbox arrangement for driving contra-rotating multi-bladed rotors
US4936746A (en) * 1988-10-18 1990-06-26 United Technologies Corporation Counter-rotation pitch change system
US4948339A (en) * 1989-01-23 1990-08-14 General Electric Company Propeller blade counterweight
GB0712561D0 (en) * 2007-06-28 2007-08-08 Rolls Royce Plc A blade mounting
US8616352B2 (en) 2008-11-18 2013-12-31 ACC, Inc. Height adjustable suspension unit
FR2945512B1 (fr) 2009-05-15 2012-08-24 Snecma Helice non carenee a pales a calage variable pour une turbomachine
FR2955085B1 (fr) * 2010-01-08 2011-12-23 Snecma Systeme d'helices contrarotatives pour turbomachine d'aeronef
FR2956378B1 (fr) * 2010-02-15 2012-05-11 Snecma Turbopropulseur muni d'un dispositif d'orientation de pales
US8757972B2 (en) * 2011-08-12 2014-06-24 Hamilton Sundstrand Corporation De-icing system for modular counter rotating propeller
FR2980770B1 (fr) * 2011-10-03 2014-06-27 Snecma Turbomachine a helice(s) pour aeronef avec systeme pour changer le pas de l'helice.
FR3005096B1 (fr) * 2013-04-29 2018-01-19 Safran Aircraft Engines Systeme pour commander le pas des pales d'une helice de turbomachine, et turbomachine a helice pour aeronef avec un tel systeme

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR335422A (fr) * 1903-09-19 1904-01-25 Wassilly Lomoff Robinet pour freins automatiques à fluide comprimé ou à vide, ou autres installations actionnées par des fluides sous pression ainsi que pour conduites d'eau, de pétrole, de gaz ou autres à circulation de fluides sous pression positive ou négative
US1434620A (en) * 1917-06-16 1922-11-07 Packard Motor Car Co Gear-driving mechanism
GB398823A (en) * 1931-12-21 1933-09-21 Eduard Seppeler Variable pitch screw propeller
CH223498A (de) * 1941-06-11 1942-09-30 Piccolin Stefano Tragkonstruktion.
US2425938A (en) * 1943-09-15 1947-08-19 Walter S Hoover Circulating ball race propeller blade bearing
FR994019A (fr) * 1944-12-06 1951-11-09 Cie Gen Equip Aeronautique Hélices coaxiales à commandes de variation de pas indépendantes
US2492653A (en) * 1946-04-11 1949-12-27 Bendix Aviat Corp Air propeller
FR1005734A (fr) * 1947-09-15 1952-04-15 Snecma Machine aéronautique à hélice
US2765040A (en) * 1953-09-28 1956-10-02 Kermit L Darrah Counter-rotating propeller drive
US2948343A (en) * 1953-12-04 1960-08-09 Gen Motors Corp Propeller mechanism
DE1428075A1 (de) * 1962-12-21 1969-02-06 Dingler Werke Ag Einrichtung zur mechanischen Laufschaufel-Verstellung bei axialen Stroemungsmaschinen,insbesondere Axialgeblaesen
US3163231A (en) * 1963-04-29 1964-12-29 United Aircraft Corp Two-part pitch changing mechanism
US3463237A (en) * 1967-04-17 1969-08-26 United Aircraft Corp Seal
GB1309753A (en) * 1969-07-24 1973-03-14 Stone Manganese Marine Ltd Transverse propulsion units for ships
DE2307656C3 (de) * 1973-02-16 1979-01-04 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Vorrichtung zur Verstellung der Gebläselaufschaufeln eines Laufrades für Turbinenstrahltriebwerke
US3873236A (en) * 1973-12-26 1975-03-25 Gen Electric Fan with variable pitch blades and translating bearing actuation system
AT358398B (de) * 1977-09-19 1980-09-10 Culk Raimund Verstelluftschraube

Also Published As

Publication number Publication date
IT8422386A0 (it) 1984-08-22
GB8420500D0 (en) 1984-09-19
DE3431165A1 (de) 1985-03-14
FR2551023A1 (fr) 1985-03-01
GB2145777B (en) 1987-07-22
CA1258846A (en) 1989-08-29
GB2145777A (en) 1985-04-03
JPS6085202A (ja) 1985-05-14
FR2551023B1 (fr) 1992-01-24

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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: 19950829