FR2641333B1 - Turboreacteur a double flux comportant une turbine contrarotative pour l'entrainement de la soufflante - Google Patents

Turboreacteur a double flux comportant une turbine contrarotative pour l'entrainement de la soufflante

Info

Publication number
FR2641333B1
FR2641333B1 FR8917316A FR8917316A FR2641333B1 FR 2641333 B1 FR2641333 B1 FR 2641333B1 FR 8917316 A FR8917316 A FR 8917316A FR 8917316 A FR8917316 A FR 8917316A FR 2641333 B1 FR2641333 B1 FR 2641333B1
Authority
FR
France
Prior art keywords
blower
driving
double flow
contrarotating
turbine
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
FR8917316A
Other languages
English (en)
Other versions
FR2641333A1 (fr
Inventor
Paul Adamson Arthur
Anthony Wall Robert
Butler Lawrence
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 FR2641333A1 publication Critical patent/FR2641333A1/fr
Priority to BR9006654A priority Critical patent/BR9006654A/pt
Application granted granted Critical
Publication of FR2641333B1 publication Critical patent/FR2641333B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
    • F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/107—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR8917316A 1989-01-03 1989-12-28 Turboreacteur a double flux comportant une turbine contrarotative pour l'entrainement de la soufflante Expired - Fee Related FR2641333B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9006654A BR9006654A (pt) 1989-12-28 1990-12-28 Queimador com escoamento paralelo com combustivel liquido e sua utilizacao

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/292,802 US5010729A (en) 1989-01-03 1989-01-03 Geared counterrotating turbine/fan propulsion system

Publications (2)

Publication Number Publication Date
FR2641333A1 FR2641333A1 (fr) 1990-07-06
FR2641333B1 true FR2641333B1 (fr) 1993-12-24

Family

ID=23126264

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8917316A Expired - Fee Related FR2641333B1 (fr) 1989-01-03 1989-12-28 Turboreacteur a double flux comportant une turbine contrarotative pour l'entrainement de la soufflante

Country Status (6)

Country Link
US (1) US5010729A (fr)
JP (1) JPH02238160A (fr)
DE (1) DE3943104B4 (fr)
FR (1) FR2641333B1 (fr)
GB (1) GB2230298B (fr)
IL (1) IL92823A0 (fr)

Families Citing this family (203)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969325A (en) * 1989-01-03 1990-11-13 General Electric Company Turbofan engine having a counterrotating partially geared fan drive turbine
DE3941852A1 (de) * 1989-12-19 1991-06-20 Mtu Muenchen Gmbh Propfantriebwerk mit zwei entgegengesetzt drehenden fanrotoren
US5197281A (en) * 1990-04-03 1993-03-30 General Electric Company Interstage seal arrangement for airfoil stages of turbine engine counterrotating rotors
DE19828562B4 (de) 1998-06-26 2005-09-08 Mtu Aero Engines Gmbh Triebwerk mit gegenläufig drehenden Rotoren
US6224324B1 (en) * 1998-07-16 2001-05-01 Georg Poinstingl Axial-flow turbine
US6158210A (en) * 1998-12-03 2000-12-12 General Electric Company Gear driven booster
FR2817912B1 (fr) * 2000-12-07 2003-01-17 Hispano Suiza Sa Reducteur reprenant les efforts axiaux generes par la soufflante d'un turboreacteur
US6494681B2 (en) 2000-12-29 2002-12-17 General Electric Company Combined axial flow and centrifugal fan in an electrical motor
DE10123874C2 (de) * 2001-05-16 2003-04-17 Ingelheim Consulting Gmbh Flugtriebwerk mit Sicherheitsgetriebe
US6708482B2 (en) 2001-11-29 2004-03-23 General Electric Company Aircraft engine with inter-turbine engine frame
US6732502B2 (en) * 2002-03-01 2004-05-11 General Electric Company Counter rotating aircraft gas turbine engine with high overall pressure ratio compressor
US6684626B1 (en) * 2002-07-30 2004-02-03 General Electric Company Aircraft gas turbine engine with control vanes for counter rotating low pressure turbines
US6711887B2 (en) 2002-08-19 2004-03-30 General Electric Co. Aircraft gas turbine engine with tandem non-interdigitated counter rotating low pressure turbines
US6763653B2 (en) 2002-09-24 2004-07-20 General Electric Company Counter rotating fan aircraft gas turbine engine with aft booster
US6763652B2 (en) 2002-09-24 2004-07-20 General Electric Company Variable torque split aircraft gas turbine engine counter rotating low pressure turbines
US6763654B2 (en) 2002-09-30 2004-07-20 General Electric Co. Aircraft gas turbine engine having variable torque split counter rotating low pressure turbines and booster aft of counter rotating fans
US7021042B2 (en) * 2002-12-13 2006-04-04 United Technologies Corporation Geartrain coupling for a turbofan engine
GB2408072A (en) * 2003-11-15 2005-05-18 Rolls Royce Plc Contra rotatable turbine system
GB0406174D0 (en) * 2004-03-19 2004-04-21 Rolls Royce Plc Turbine engine arrangement
DE102004042739A1 (de) * 2004-09-03 2006-03-09 Mtu Aero Engines Gmbh Fan für ein Flugtriebwerk sowie Flugtriebwerk
US7334981B2 (en) * 2004-10-29 2008-02-26 General Electric Company Counter-rotating gas turbine engine and method of assembling same
US7334392B2 (en) * 2004-10-29 2008-02-26 General Electric Company Counter-rotating gas turbine engine and method of assembling same
EP1825113B1 (fr) * 2004-12-01 2012-10-24 United Technologies Corporation Boîte de vitesses contre-rotative pour moteur à turbine en bout
EP1828547B1 (fr) 2004-12-01 2011-11-30 United Technologies Corporation Turbosoufflante comprenant une pluralité d'aubes directrices d'entrée commandées individuellement et procédé de commande associé
WO2006110123A2 (fr) * 2004-12-01 2006-10-19 United Technologies Corporation Conduit de transition pour moteur a turbine
US7959406B2 (en) * 2004-12-01 2011-06-14 United Technologies Corporation Close coupled gearbox assembly for a tip turbine engine
US8061968B2 (en) * 2004-12-01 2011-11-22 United Technologies Corporation Counter-rotating compressor case and assembly method for tip turbine engine
WO2006110122A2 (fr) 2004-12-01 2006-10-19 United Technologies Corporation Purgeur gonflable destine a un moteur a turbine
WO2006059972A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Commande à distance d'étage variable de compresseur pour moteur à turbine
WO2006059994A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Ensemble de joint pour rotor de turbine-ventilateur de moteur de turbine a pression d’entree
WO2006059992A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Inducteur de pale de ventilateur de moteur de turbine a pression d’entree
DE602004023769D1 (de) * 2004-12-01 2009-12-03 United Technologies Corp Gestapelte ringförmige bauteile für turbinenmotoren
WO2006060014A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Systeme de generateur-demarreur pour moteur de turbine a pression d’entree
US9003759B2 (en) 2004-12-01 2015-04-14 United Technologies Corporation Particle separator for tip turbine engine
US7959532B2 (en) * 2004-12-01 2011-06-14 United Technologies Corporation Hydraulic seal for a gearbox of a tip turbine engine
US7631480B2 (en) * 2004-12-01 2009-12-15 United Technologies Corporation Modular tip turbine engine
US8468795B2 (en) 2004-12-01 2013-06-25 United Technologies Corporation Diffuser aspiration for a tip turbine engine
US8096753B2 (en) * 2004-12-01 2012-01-17 United Technologies Corporation Tip turbine engine and operating method with reverse core airflow
WO2006059985A1 (fr) 2004-12-01 2006-06-08 United Technologies Corporation Compresseur axial pour moteur a turbine de bout
US7883315B2 (en) * 2004-12-01 2011-02-08 United Technologies Corporation Seal assembly for a fan rotor of a tip turbine engine
WO2006059990A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Refroidissement regeneratif des aubes et pales de turbine pour moteur a turbine d'extremite
EP1825170B1 (fr) * 2004-12-01 2009-03-18 United Technologies Corporation Systeme de lubrification de boite de vitesses pour moteur a turbine d'extremite
DE602004028528D1 (de) * 2004-12-01 2010-09-16 United Technologies Corp Tip-Turbinentriebwerk mit mehreren Gebläse- und Turbinenstufen
WO2006059970A2 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Moteur a turbine equipe d'un ventilateur et d'un compresseur entraines par un engrenage differentiel
US20090169385A1 (en) * 2004-12-01 2009-07-02 Suciu Gabriel L Fan-turbine rotor assembly with integral inducer section for a tip turbine engine
WO2006059989A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Structure de support de moteur a turbine de bout
US7874802B2 (en) * 2004-12-01 2011-01-25 United Technologies Corporation Tip turbine engine comprising turbine blade clusters and method of assembly
WO2006059973A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Moteur de turbine a aube comprenant un echangeur thermique
US7921635B2 (en) * 2004-12-01 2011-04-12 United Technologies Corporation Peripheral combustor for tip turbine engine
US8152469B2 (en) * 2004-12-01 2012-04-10 United Technologies Corporation Annular turbine ring rotor
WO2006059971A2 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Logement de moteur a turbine integrant un ventilateur, un combustor, et une turbine
US7980054B2 (en) * 2004-12-01 2011-07-19 United Technologies Corporation Ejector cooling of outer case for tip turbine engine
US7882694B2 (en) 2004-12-01 2011-02-08 United Technologies Corporation Variable fan inlet guide vane assembly for gas turbine engine
WO2006060011A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Moteur a turbine de pointe comprenant un compartiment non rotatif
DE602004031986D1 (de) * 2004-12-01 2011-05-05 United Technologies Corp Gebläse-turbinen-rotoranordnung für einen spitzenturbinenmotor
WO2006060010A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Pale de guidage d’entree de compresseur pour moteur de turbine a pression d’entree et procede de commande correspondant
US8807936B2 (en) * 2004-12-01 2014-08-19 United Technologies Corporation Balanced turbine rotor fan blade for a tip turbine engine
US8024931B2 (en) 2004-12-01 2011-09-27 United Technologies Corporation Combustor for turbine engine
WO2006060003A2 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Pale de ventilateur comprenant une section de diffuseur integrale et une section de pale de turbine a aube destine a une moteur a turbine a aube
US7921636B2 (en) * 2004-12-01 2011-04-12 United Technologies Corporation Tip turbine engine and corresponding operating method
US7882695B2 (en) 2004-12-01 2011-02-08 United Technologies Corporation Turbine blow down starter for turbine engine
WO2006060006A1 (fr) 2004-12-01 2006-06-08 United Technologies Corporation Cone arriere non metallique de moteur a turbine de bout
EP1825112B1 (fr) * 2004-12-01 2013-10-23 United Technologies Corporation Moteur a turbine de bout en porte-a-faux
WO2006059979A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Carter intégral, aube fixe, bâti et mélangeur d'un moteur à turbine en bout
EP1834076B1 (fr) * 2004-12-01 2011-04-06 United Technologies Corporation Groupe d'aubes de turbine d'un rotor de soufflante et procédé de montage d'un tel groupe
WO2006062497A1 (fr) * 2004-12-04 2006-06-15 United Technologies Corporation Bâti moteur à turbine en bout de pale
DE102005018139A1 (de) * 2005-04-20 2006-10-26 Mtu Aero Engines Gmbh Stahltriebwerk
US7493754B2 (en) * 2005-10-19 2009-02-24 General Electric Company Gas turbine engine assembly and methods of assembling same
US7513103B2 (en) * 2005-10-19 2009-04-07 General Electric Company Gas turbine engine assembly and methods of assembling same
US7493753B2 (en) * 2005-10-19 2009-02-24 General Electric Company Gas turbine engine assembly and methods of assembling same
US7726113B2 (en) * 2005-10-19 2010-06-01 General Electric Company Gas turbine engine assembly and methods of assembling same
US7490461B2 (en) * 2005-10-19 2009-02-17 General Electric Company Gas turbine engine assembly and methods of assembling same
US7526913B2 (en) * 2005-10-19 2009-05-05 General Electric Company Gas turbine engine assembly and methods of assembling same
US7490460B2 (en) * 2005-10-19 2009-02-17 General Electric Company Gas turbine engine assembly and methods of assembling same
US7752836B2 (en) * 2005-10-19 2010-07-13 General Electric Company Gas turbine assembly and methods of assembling same
US7603844B2 (en) * 2005-10-19 2009-10-20 General Electric Company Gas turbine engine assembly and methods of assembling same
US7685808B2 (en) * 2005-10-19 2010-03-30 General Electric Company Gas turbine engine assembly and methods of assembling same
US7614210B2 (en) * 2006-02-13 2009-11-10 General Electric Company Double bypass turbofan
US7254997B1 (en) 2006-10-12 2007-08-14 David Hui Anti-steal tire pressure monitoring apparatus
US7832193B2 (en) * 2006-10-27 2010-11-16 General Electric Company Gas turbine engine assembly and methods of assembling same
US7841165B2 (en) * 2006-10-31 2010-11-30 General Electric Company Gas turbine engine assembly and methods of assembling same
US7926259B2 (en) * 2006-10-31 2011-04-19 General Electric Company Turbofan engine assembly and method of assembling same
US7966806B2 (en) * 2006-10-31 2011-06-28 General Electric Company Turbofan engine assembly and method of assembling same
US7921634B2 (en) * 2006-10-31 2011-04-12 General Electric Company Turbofan engine assembly and method of assembling same
US7905083B2 (en) * 2006-10-31 2011-03-15 General Electric Company Turbofan engine assembly and method of assembling same
US7882693B2 (en) * 2006-11-29 2011-02-08 General Electric Company Turbofan engine assembly and method of assembling same
US7716914B2 (en) * 2006-12-21 2010-05-18 General Electric Company Turbofan engine assembly and method of assembling same
US20090211260A1 (en) * 2007-05-03 2009-08-27 Brayton Energy, Llc Multi-Spool Intercooled Recuperated Gas Turbine
US8967945B2 (en) 2007-05-22 2015-03-03 United Technologies Corporation Individual inlet guide vane control for tip turbine engine
US8708643B2 (en) * 2007-08-14 2014-04-29 General Electric Company Counter-rotatable fan gas turbine engine with axial flow positive displacement worm gas generator
US9957918B2 (en) * 2007-08-28 2018-05-01 United Technologies Corporation Gas turbine engine front architecture
US7955046B2 (en) * 2007-09-25 2011-06-07 United Technologies Corporation Gas turbine engine front architecture modularity
US8402742B2 (en) 2007-12-05 2013-03-26 United Technologies Corporation Gas turbine engine systems involving tip fans
US8590286B2 (en) * 2007-12-05 2013-11-26 United Technologies Corp. Gas turbine engine systems involving tip fans
US8015798B2 (en) * 2007-12-13 2011-09-13 United Technologies Corporation Geared counter-rotating gas turbofan engine
US8292570B2 (en) * 2008-01-25 2012-10-23 United Technologies Corporation Low pressure turbine with counter-rotating drives for single spool
US8181442B2 (en) * 2008-05-05 2012-05-22 Pratt & Whitney Canada Corp. Gas turbine aircraft engine with power variability
US20090277175A1 (en) * 2008-05-09 2009-11-12 Gary Nin Austin Sodium injection for advanced steam turbines
US8439631B2 (en) * 2008-09-05 2013-05-14 Rolls-Royce Corporation Shaft coupling arrangement
FR2940247B1 (fr) * 2008-12-19 2011-01-21 Snecma Systeme d'helices contrarotatives entrainees par un train epicycloidal offrant une repartition de couple equilibree entre les deux helices
US8191352B2 (en) * 2008-12-19 2012-06-05 General Electric Company Geared differential speed counter-rotatable low pressure turbine
US20100192595A1 (en) * 2009-01-30 2010-08-05 Robert Joseph Orlando Gas turbine engine assembly and methods of assembling same
FR2942203B1 (fr) * 2009-02-13 2011-04-22 Snecma Systeme d'helices contrarotatives a encombrement reduit
FR2942273B1 (fr) * 2009-02-18 2011-06-10 Snecma Moteur double flux a roues de turbine contrarotatives
FR2943035B1 (fr) 2009-03-11 2012-09-28 Snecma Dispositif d'entrainement d'une paire d'helices contrarotives par un train epycycloidal
WO2010132439A1 (fr) 2009-05-12 2010-11-18 Icr Turbine Engine Corporation Système de stockage et de conversion d'énergie de turbine à gaz
US9784181B2 (en) 2009-11-20 2017-10-10 United Technologies Corporation Gas turbine engine architecture with low pressure compressor hub between high and low rotor thrust bearings
US8063528B2 (en) * 2009-12-18 2011-11-22 General Electric Company Counter-rotatable generator
FR2955085B1 (fr) * 2010-01-08 2011-12-23 Snecma Systeme d'helices contrarotatives pour turbomachine d'aeronef
US8517672B2 (en) * 2010-02-23 2013-08-27 General Electric Company Epicyclic gearbox
US8866334B2 (en) 2010-03-02 2014-10-21 Icr Turbine Engine Corporation Dispatchable power from a renewable energy facility
US10041442B2 (en) * 2010-06-11 2018-08-07 United Technologies Corporation Variable area fan nozzle
US8984895B2 (en) 2010-07-09 2015-03-24 Icr Turbine Engine Corporation Metallic ceramic spool for a gas turbine engine
CA2813680A1 (fr) 2010-09-03 2012-03-08 Icr Turbine Engine Corporation Configurations de moteur a turbine a gaz
US9016041B2 (en) * 2010-11-30 2015-04-28 General Electric Company Variable-cycle gas turbine engine with front and aft FLADE stages
US9051873B2 (en) 2011-05-20 2015-06-09 Icr Turbine Engine Corporation Ceramic-to-metal turbine shaft attachment
US9021778B2 (en) 2011-06-28 2015-05-05 United Technologies Corporation Differential gear system with carrier drive
BR102012027097B1 (pt) * 2011-11-23 2022-01-04 United Technologies Corporation Motor de turbina a gás
US10240526B2 (en) 2012-01-31 2019-03-26 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US9222417B2 (en) 2012-01-31 2015-12-29 United Technologies Corporation Geared turbofan gas turbine engine architecture
US20140196472A1 (en) * 2012-01-31 2014-07-17 United Technologies Corporation Geared turbofan gas turbine engine architecture
US20130192266A1 (en) * 2012-01-31 2013-08-01 United Technologies Corporation Geared turbofan gas turbine engine architecture
US20150345426A1 (en) 2012-01-31 2015-12-03 United Technologies Corporation Geared turbofan gas turbine engine architecture
US20130192263A1 (en) * 2012-01-31 2013-08-01 Gabriel L. Suciu Gas turbine engine with high speed low pressure turbine section
US9845726B2 (en) 2012-01-31 2017-12-19 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US10287914B2 (en) 2012-01-31 2019-05-14 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section and bearing support features
US8887487B2 (en) * 2012-01-31 2014-11-18 United Technologies Corporation Geared turbofan gas turbine engine architecture
US9534608B2 (en) 2012-02-17 2017-01-03 Embry-Riddle Aeronautical University, Inc. Multi-stage axial compressor with counter-rotation
US9011076B2 (en) 2012-02-29 2015-04-21 United Technologies Corporation Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case
US9022725B2 (en) 2012-02-29 2015-05-05 United Technologies Corporation Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case
US9194290B2 (en) 2012-02-29 2015-11-24 United Technologies Corporation Counter-rotating low pressure turbine without turbine exhaust case
US20130219859A1 (en) * 2012-02-29 2013-08-29 Gabriel L. Suciu Counter rotating low pressure compressor and turbine each having a gear system
US9353754B2 (en) * 2012-03-13 2016-05-31 Embry-Riddle Aeronautical University, Inc. Multi-stage axial compressor with counter-rotation using accessory drive
US10125693B2 (en) 2012-04-02 2018-11-13 United Technologies Corporation Geared turbofan engine with power density range
US20130259650A1 (en) * 2012-04-02 2013-10-03 Frederick M. Schwarz Geared turbofan with three turbines with first two co-rotating and third rotating in an opposed direction
US10018119B2 (en) * 2012-04-02 2018-07-10 United Technologies Corporation Geared architecture with inducer for gas turbine engine
US20130255274A1 (en) * 2012-04-02 2013-10-03 Daniel Bernard Kupratis Geared architecture with speed change device for gas turbine engine
US9074485B2 (en) 2012-04-25 2015-07-07 United Technologies Corporation Geared turbofan with three turbines all counter-rotating
US10094288B2 (en) 2012-07-24 2018-10-09 Icr Turbine Engine Corporation Ceramic-to-metal turbine volute attachment for a gas turbine engine
US9228535B2 (en) 2012-07-24 2016-01-05 United Technologies Corporation Geared fan with inner counter rotating compressor
US10036316B2 (en) 2012-10-02 2018-07-31 United Technologies Corporation Geared turbofan engine with high compressor exit temperature
GB201219544D0 (en) * 2012-10-31 2012-12-12 Rolls Royce Deutschland Geared compressor for gas turbine engine
US20140130479A1 (en) * 2012-11-14 2014-05-15 United Technologies Corporation Gas Turbine Engine With Mount for Low Pressure Turbine Section
US9127679B2 (en) * 2012-11-29 2015-09-08 General Electric Company Counter rotating helico-axial pump
US10227928B2 (en) * 2013-01-18 2019-03-12 General Electric Company Engine architecture with reverse rotation integral drive and vaneless turbine
EP2956649B1 (fr) * 2013-02-13 2021-06-30 Raytheon Technologies Corporation Architecture à engrenages de turbine à gaz
EP2964921B1 (fr) 2013-03-07 2019-10-16 Rolls-Royce Corporation Moteur à turbine à gaz à arbres multiples
US9752500B2 (en) * 2013-03-14 2017-09-05 Pratt & Whitney Canada Corp. Gas turbine engine with transmission and method of adjusting rotational speed
US9624827B2 (en) 2013-03-15 2017-04-18 United Technologies Corporation Thrust efficient turbofan engine
US10724479B2 (en) 2013-03-15 2020-07-28 United Technologies Corporation Thrust efficient turbofan engine
GB2513621B (en) * 2013-05-01 2015-09-23 Trevor Harold Speak Compressor system
US10612462B2 (en) * 2013-12-12 2020-04-07 United Technologies Corporation Turbomachinery with high relative velocity
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10287976B2 (en) * 2014-07-15 2019-05-14 United Technologies Corporation Split gear system for a gas turbine engine
EP3626935B1 (fr) * 2014-09-24 2022-03-23 Raytheon Technologies Corporation Un mécanisme de changement de vitesse pour un moteur à turbine à gaz
US20160084104A1 (en) * 2014-09-24 2016-03-24 United Technologies Corporation Fan drive gear system
US10221771B2 (en) 2014-09-24 2019-03-05 United Technologies Corporation Fan drive gear system
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US9878798B2 (en) 2014-12-31 2018-01-30 Rolls-Royce North American Technologies Inc. Aircraft with counter-rotating turbofan engines
US11067005B2 (en) 2015-02-03 2021-07-20 Raytheon Technologies Corporation Fan drive gear system
US20160290228A1 (en) * 2015-04-06 2016-10-06 General Electric Company Fan bearings for a turbine engine
US10669946B2 (en) 2015-06-05 2020-06-02 Raytheon Technologies Corporation Geared architecture for a gas turbine engine
CN106468215A (zh) * 2015-08-22 2017-03-01 熵零股份有限公司 叶轮推进系统
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US10215096B2 (en) * 2015-11-04 2019-02-26 United Technologies Corporation Engine with nose cone heat exchanger and radially outer discharge
US10669947B2 (en) 2016-07-11 2020-06-02 Raytheon Technologies Corporation Geared gas turbine engine
US10801442B2 (en) * 2017-02-08 2020-10-13 General Electric Company Counter rotating turbine with reversing reduction gear assembly
US10823114B2 (en) 2017-02-08 2020-11-03 General Electric Company Counter rotating turbine with reversing reduction gearbox
DE102017120219A1 (de) * 2017-09-01 2019-03-07 Rolls-Royce Deutschland Ltd & Co Kg Strömungsmaschine mit einer Planetengetriebeeinrichtung
US10914194B2 (en) * 2017-09-20 2021-02-09 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
US11008883B2 (en) 2017-09-20 2021-05-18 General Electric Company Turbomachine with a gearbox and integrated electric machine assembly
US20190234228A1 (en) * 2018-01-29 2019-08-01 Pratt & Whitney Canada Corp. Bladed rotor with integrated gear for gas turbine engine
FR3087226B1 (fr) * 2018-10-10 2020-10-23 Safran Aircraft Engines Turbomachine d'aeronef a reducteur mecanique et a turbine contrarotative
US11118506B2 (en) * 2018-12-21 2021-09-14 General Electric Company Gear assembly for a turbo machine
GB201820924D0 (en) 2018-12-21 2019-02-06 Rolls Royce Plc Turbine engine
GB201820925D0 (en) * 2018-12-21 2019-02-06 Rolls Royce Plc Turbine engine
US11204037B2 (en) 2018-12-21 2021-12-21 Rolls-Royce Plc Turbine engine
WO2020136684A1 (fr) * 2018-12-27 2020-07-02 Ravi Shankar Gautam Système de propulseur entraîné par un rebord adjacent pour moteur à réaction à turboréacteur à double flux à exosquelette
US11118535B2 (en) * 2019-03-05 2021-09-14 General Electric Company Reversing gear assembly for a turbo machine
US11041462B2 (en) * 2019-06-05 2021-06-22 Raytheon Technologies Corporation Hybrid turbofan with differential electrical and mechanical power transfer
FR3104644B1 (fr) * 2019-12-11 2021-11-19 Safran Aircraft Engines Système propulsif aéronautique à rendement propulsif amélioré
US20230013650A1 (en) * 2019-12-11 2023-01-19 Safran Aircraft Engines Aeronautic propulsion system with improved propulsion efficiency
IT202000000652A1 (it) 2020-01-15 2021-07-15 Ge Avio Srl Turbomacchina e gruppo ingranaggi
WO2021148276A1 (fr) 2020-01-22 2021-07-29 Rolls-Royce Deutschland Ltd & Co Kg Moteur à turbine à gaz doté d'une boîte d'engrenages épicycloïdaux échelonnés
GB2599688B (en) * 2020-10-09 2023-08-16 Rolls Royce Plc An improved turbofan gas turbine engine
GB2599690B (en) * 2020-10-09 2022-12-07 Rolls Royce Plc A heat exchanger
US11725590B2 (en) * 2020-10-22 2023-08-15 General Electric Company Turbomachine and gear assembly
IT202000028520A1 (it) * 2020-11-26 2022-05-26 Ge Avio Srl Sistema e metodo per la mitigazione di velocita' eccessiva di rotore
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
IT202100018032A1 (it) * 2021-07-08 2023-01-08 Ge Avio Srl Turbina a gas
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system
US11655768B2 (en) 2021-07-26 2023-05-23 General Electric Company High fan up speed engine
CN113586282B (zh) * 2021-08-10 2022-06-07 中国电子科技集团公司第三十八研究所 一种具有串联增压功能的多级涡轮风扇发动机
US11739689B2 (en) 2021-08-23 2023-08-29 General Electric Company Ice reduction mechanism for turbofan engine
US11767790B2 (en) 2021-08-23 2023-09-26 General Electric Company Object direction mechanism for turbofan engine
US11480063B1 (en) 2021-09-27 2022-10-25 General Electric Company Gas turbine engine with inlet pre-swirl features
KR20230057809A (ko) * 2021-10-22 2023-05-02 주식회사 브이에이엠 상반회전 프로펠러를 가지는 고효율 회전기기
US11788465B2 (en) 2022-01-19 2023-10-17 General Electric Company Bleed flow assembly for a gas turbine engine
US11808281B2 (en) 2022-03-04 2023-11-07 General Electric Company Gas turbine engine with variable pitch inlet pre-swirl features
US11725526B1 (en) 2022-03-08 2023-08-15 General Electric Company Turbofan engine having nacelle with non-annular inlet
US20230340906A1 (en) * 2022-04-05 2023-10-26 General Electric Company Counter-rotating turbine
US20240093644A1 (en) * 2022-09-16 2024-03-21 General Electric Company Gas turbine engines with a fuel cell assembly

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE468782A (fr) * 1942-01-12
GB587612A (en) * 1944-01-31 1947-04-30 Power Jets Res & Dev Ltd Improvements in or relating to internal combustion turbine power plants
GB928479A (en) * 1960-09-13 1963-06-12 Rolls Royce Power plant for driving fluid impeller means
DE1291164B (de) * 1967-05-18 1969-03-20 Man Turbo Gmbh Zweiwellengasturbinentriebwerk
GB1276832A (en) * 1968-03-05 1972-06-07 Frank Julius Wallace Improvements in gas turbine power plant
US3673802A (en) * 1970-06-18 1972-07-04 Gen Electric Fan engine with counter rotating geared core booster
GB1309721A (en) * 1971-01-08 1973-03-14 Secr Defence Fan
GB1484898A (en) * 1974-09-11 1977-09-08 Rolls Royce Ducted fan gas turbine engine
SE401711B (sv) * 1976-09-24 1978-05-22 Kronogard Sven Olof Gasturbin-transmissionsanleggning
SE401710B (sv) * 1976-09-24 1978-05-22 Kronogard Sven Olof Gasturbin-transmissionsanleggning
US4159624A (en) * 1978-02-06 1979-07-03 Gruner George P Contra-rotating rotors with differential gearing
US4251987A (en) * 1979-08-22 1981-02-24 General Electric Company Differential geared engine
US4446696A (en) * 1981-06-29 1984-05-08 General Electric Company Compound propulsor
NL8303401A (nl) * 1982-11-01 1984-06-01 Gen Electric Aandrijfturbine voor tegengesteld draaiende propellers.
US4540369A (en) * 1983-02-22 1985-09-10 Richard Caires Counterrotating dual-propeller boat drive
US4621978A (en) * 1984-12-03 1986-11-11 General Electric Company Counterrotating power turbine
GB2173863B (en) * 1985-04-17 1989-07-19 Rolls Royce Plc A propeller module for an aero gas turbine engine
US4651521A (en) * 1985-11-21 1987-03-24 Avco Corporation Convertible turbo-fan, turbo-shaft aircraft propulsion system
GB2189844A (en) * 1986-04-30 1987-11-04 Rolls Royce Gas turbine engines
GB2192238B (en) * 1986-07-02 1990-05-23 Rolls Royce Plc Gas turbine engine power turbine
GB2198791A (en) * 1986-08-20 1988-06-22 Rolls Royce Plc A geared turbofan gas turbine engine with a booster compressor
GB2194292A (en) * 1986-08-29 1988-03-02 Gen Electric High bypass ratio counterrotating turbofan engine
GB2194593B (en) * 1986-08-29 1991-05-15 Gen Electric High bypass ratio, counter rotating gearless front fan engine
GB2195712B (en) * 1986-10-08 1990-08-29 Rolls Royce Plc A turbofan gas turbine engine
GB8630754D0 (en) * 1986-12-23 1987-02-04 Rolls Royce Plc Turbofan gas turbine engine
US4782658A (en) * 1987-05-07 1988-11-08 Rolls-Royce Plc Deicing of a geared gas turbine engine
DE3814202A1 (de) * 1988-04-27 1989-11-09 Henkel Kgaa Parasitenabtoetende desinfektionsmittel

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JPH02238160A (ja) 1990-09-20
FR2641333A1 (fr) 1990-07-06
GB8928708D0 (en) 1990-02-28
GB2230298A (en) 1990-10-17
DE3943104A1 (de) 1990-07-05
GB2230298B (en) 1993-09-22
IL92823A0 (en) 1990-09-17
DE3943104B4 (de) 2005-12-01
US5010729A (en) 1991-04-30

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