IT1208606B - Turbina di potenza a controrotazione. - Google Patents

Turbina di potenza a controrotazione.

Info

Publication number
IT1208606B
IT1208606B IT8620279A IT2027986A IT1208606B IT 1208606 B IT1208606 B IT 1208606B IT 8620279 A IT8620279 A IT 8620279A IT 2027986 A IT2027986 A IT 2027986A IT 1208606 B IT1208606 B IT 1208606B
Authority
IT
Italy
Prior art keywords
counter
power turbine
rotation power
rotation
turbine
Prior art date
Application number
IT8620279A
Other languages
English (en)
Other versions
IT8620279A0 (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 IT8620279A0 publication Critical patent/IT8620279A0/it
Application granted granted Critical
Publication of IT1208606B publication Critical patent/IT1208606B/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
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • 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
    • B64C11/308—Blade pitch-changing mechanisms specially adapted for contrarotating propellers automatic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/072—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with counter-rotating, e.g. fan rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT8620279A 1985-05-01 1986-04-30 Turbina di potenza a controrotazione. IT1208606B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72846685A 1985-05-01 1985-05-01

Publications (2)

Publication Number Publication Date
IT8620279A0 IT8620279A0 (it) 1986-04-30
IT1208606B true IT1208606B (it) 1989-07-10

Family

ID=24926972

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8620279A IT1208606B (it) 1985-05-01 1986-04-30 Turbina di potenza a controrotazione.

Country Status (9)

Country Link
JP (1) JPH0681883B2 (it)
AU (1) AU589180B2 (it)
CA (1) CA1262409A (it)
DE (1) DE3614157C2 (it)
FR (1) FR2581423B1 (it)
GB (1) GB2174762B (it)
IT (1) IT1208606B (it)
NL (1) NL8601055A (it)
SE (1) SE462660B (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734624A1 (de) * 1987-10-13 1989-05-03 Kastens Karl Propellergeblaese
DE3812027A1 (de) * 1988-04-11 1989-10-26 Mtu Muenchen Gmbh Propfan-turbotriebwerk
US4916892A (en) * 1988-05-06 1990-04-17 General Electric Company High pressure seal
US4976102A (en) * 1988-05-09 1990-12-11 General Electric Company Unducted, counterrotating gearless front fan engine
GB2218747B (en) * 1988-05-20 1993-01-27 Gen Electric Propeller/fan pitch feathering apparatus
DE3818466C1 (it) * 1988-05-31 1989-12-21 Mtu Muenchen Gmbh
DE3837994A1 (de) * 1988-11-09 1990-05-10 Mtu Muenchen Gmbh Vorrichtung zur verstellung der rotorschaufeln eines propfan/turboproptriebwerkes
US5263898A (en) * 1988-12-14 1993-11-23 General Electric Company Propeller blade retention system
US4951461A (en) * 1989-03-20 1990-08-28 General Electric Company Power turbine support arrangement
US5112191A (en) * 1989-04-11 1992-05-12 General Electric Company Rotating cowling
US5082424A (en) * 1989-06-05 1992-01-21 General Electric Company Connection system for aircraft propeller blades
DE3933776A1 (de) * 1989-10-10 1991-04-18 Mtu Muenchen Gmbh Propfan-turbotriebwerk
FR2761412B1 (fr) * 1997-03-27 1999-04-30 Snecma Groupe turbopropulseur double corps a regulation isodrome
RU2141051C1 (ru) * 1998-07-01 1999-11-10 Клименко Алексей Геннадьевич Турбореактивный двигатель
US6711887B2 (en) * 2002-08-19 2004-03-30 General Electric Co. Aircraft gas turbine engine with tandem non-interdigitated counter rotating low pressure turbines
FR2864997B1 (fr) * 2004-01-08 2006-04-28 Snecma Moteurs Turbomachine a turbine semi-liee entrainant un recepteur pilote de maniere a conserver une vitesse de rotation sensiblement constante
RU2316667C2 (ru) * 2006-02-06 2008-02-10 Открытое акционерное общество "Авиадвигатель" Турбореактивный двигатель сверхвысокой степени двухконтурности с редукторным приводом двухрядного вентилятора противоположного вращения
DE102008005163B4 (de) 2008-01-19 2009-12-03 Deutsches Zentrum für Luft- und Raumfahrt e.V. Flugtriebwerk
FR2941493B1 (fr) * 2009-01-23 2011-08-26 Snecma Turbomachine a turbine libre entrainant un generateur electrique de puissance
US8182222B2 (en) 2009-02-12 2012-05-22 Hamilton Sundstrand Corporation Thermal protection of rotor blades
RU2422661C1 (ru) * 2009-11-09 2011-06-27 Открытое акционерное общество "Авиадвигатель" Винтовентиляторный двигатель
RU2439347C1 (ru) * 2010-06-07 2012-01-10 Открытое акционерное общество "Авиадвигатель" Газотурбинный двигатель с задним расположением винтовентилятора
GB201102987D0 (en) * 2011-02-22 2011-04-06 Rolls Royce Plc A propfan engine
RU2482311C1 (ru) * 2011-12-14 2013-05-20 Открытое акционерное общество "Авиадвигатель" Газотурбинный двигатель с задним расположением открытого винтовентилятора
FR3004494B1 (fr) * 2013-04-15 2018-01-19 Safran Nacelles Tuyere pour turbopropulseur d’aeronef a soufflante non carenee
FR3016662B1 (fr) * 2014-01-23 2016-02-12 Snecma Turbomoteur a helices non carenees muni d'une enveloppe de renfort integrant des troncons de canalisations
FR3050431B1 (fr) * 2016-04-20 2018-04-27 Safran Aircraft Engines Systeme d'actionnement simplifie de pas pour une helice de turbomachine
JP7497264B2 (ja) * 2020-09-29 2024-06-10 三菱重工航空エンジン株式会社 航空機用推力発生装置
US20220259985A1 (en) * 2021-02-15 2022-08-18 General Electric Company Open rotor turbomachinery engines

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB238343A (en) * 1924-07-03 1925-08-20 English Electric Co Ltd Improvements in the construction of elastic fluid turbines
FR776676A (fr) * 1933-10-23 1935-01-31 Turbine hélicoïdale
FR910103A (fr) * 1942-01-02 1946-05-28 Rateau Soc Moteur à turbines à gaz combiné avec un ventilateur ou un propulseur
BE462340A (it) * 1944-04-15
GB1004641A (en) * 1963-05-16 1965-09-15 Vickers Armstrong Aircraft Ltd Improvements in jet-propulsion power-plants for aircraft
GB978041A (en) * 1963-08-21 1964-12-16 Rolls Royce Aerofoil-section member having relatively movable parts
DE1426835A1 (de) * 1964-06-27 1969-04-03 Maschf Augsburg Nuernberg Ag Verfahren und Anordnung zur Energieerzeugung bzw. zur Leistungsaufnahme in gegenlaeufigen Turbinen bzw. Arbeitsmaschinen
GB1097632A (en) * 1965-11-19 1968-01-03 Bristol Siddeley Engines Ltd Gas turbine power plant
FR1483743A (fr) * 1965-12-02 1967-06-09 Snecma Turbomachine à compresseur contrarotatif
GB1212593A (en) * 1968-01-25 1970-11-18 British Aircraft Corp Ltd Improvements relating to rotary large diameter gas seals
GB1203712A (en) * 1968-02-07 1970-09-03 Rolls Royce Improvements in or relating to gas turbine engine
SU411214A1 (it) * 1968-05-12 1974-01-15
US3861139A (en) * 1973-02-12 1975-01-21 Gen Electric Turbofan engine having counterrotating compressor and turbine elements and unique fan disposition
US4446696A (en) * 1981-06-29 1984-05-08 General Electric Company Compound propulsor
US4519746A (en) * 1981-07-24 1985-05-28 United Technologies Corporation Airfoil blade
NL8303401A (nl) * 1982-11-01 1984-06-01 Gen Electric Aandrijfturbine voor tegengesteld draaiende propellers.
GB2138507B (en) * 1983-04-22 1987-07-29 Rolls Royce Mounting and exhausting in turbo-propellor aircraft engines
GB2155110A (en) * 1984-03-02 1985-09-18 Gen Electric High bypass ratio counter-rotating turbofan engine

Also Published As

Publication number Publication date
JPS6217301A (ja) 1987-01-26
AU5709386A (en) 1986-11-06
FR2581423B1 (fr) 1993-10-22
GB2174762A (en) 1986-11-12
SE462660B (sv) 1990-08-06
JPH0681883B2 (ja) 1994-10-19
CA1262409A (en) 1989-10-24
FR2581423A1 (fr) 1986-11-07
AU589180B2 (en) 1989-10-05
DE3614157C2 (de) 1997-06-26
GB8610566D0 (en) 1986-06-04
SE8601928D0 (sv) 1986-04-25
DE3614157A1 (de) 1986-11-06
NL8601055A (nl) 1986-12-01
GB2174762B (en) 1990-04-04
IT8620279A0 (it) 1986-04-30
SE8601928L (sv) 1986-11-02

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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: 19950426