FR2581423B1 - Turbine de travail a contre-rotation - Google Patents

Turbine de travail a contre-rotation

Info

Publication number
FR2581423B1
FR2581423B1 FR8606248A FR8606248A FR2581423B1 FR 2581423 B1 FR2581423 B1 FR 2581423B1 FR 8606248 A FR8606248 A FR 8606248A FR 8606248 A FR8606248 A FR 8606248A FR 2581423 B1 FR2581423 B1 FR 2581423B1
Authority
FR
France
Prior art keywords
counter
rotation working
working turbine
turbine
rotation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR8606248A
Other languages
English (en)
French (fr)
Other versions
FR2581423A1 (fr
Inventor
Odell Johnson Kenneth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2581423A1 publication Critical patent/FR2581423A1/fr
Application granted granted Critical
Publication of FR2581423B1 publication Critical patent/FR2581423B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
FR8606248A 1985-05-01 1986-04-30 Turbine de travail a contre-rotation Expired - Fee Related FR2581423B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2581423A1 FR2581423A1 (fr) 1986-11-07
FR2581423B1 true FR2581423B1 (fr) 1993-10-22

Family

ID=24926972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8606248A Expired - Fee Related FR2581423B1 (fr) 1985-05-01 1986-04-30 Turbine de travail a contre-rotation

Country Status (9)

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

Families Citing this family (23)

* 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 (de) * 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
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
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
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

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 (de) * 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 (de) * 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
DE3507035A1 (de) * 1984-03-02 1985-09-12 General Electric Co., Schenectady, N.Y. Gasturbinentriebwerk

Also Published As

Publication number Publication date
GB2174762B (en) 1990-04-04
IT8620279A0 (it) 1986-04-30
SE462660B (sv) 1990-08-06
DE3614157C2 (de) 1997-06-26
JPS6217301A (ja) 1987-01-26
CA1262409A (en) 1989-10-24
IT1208606B (it) 1989-07-10
AU5709386A (en) 1986-11-06
AU589180B2 (en) 1989-10-05
DE3614157A1 (de) 1986-11-06
GB2174762A (en) 1986-11-12
NL8601055A (nl) 1986-12-01
SE8601928L (sv) 1986-11-02
SE8601928D0 (sv) 1986-04-25
FR2581423A1 (fr) 1986-11-07
GB8610566D0 (en) 1986-06-04
JPH0681883B2 (ja) 1994-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse