IT944367B - Comando differenziale per mozzo di girante - Google Patents

Comando differenziale per mozzo di girante

Info

Publication number
IT944367B
IT944367B IT32929/71A IT3292971A IT944367B IT 944367 B IT944367 B IT 944367B IT 32929/71 A IT32929/71 A IT 32929/71A IT 3292971 A IT3292971 A IT 3292971A IT 944367 B IT944367 B IT 944367B
Authority
IT
Italy
Prior art keywords
differential control
impeller hub
impeller
hub
differential
Prior art date
Application number
IT32929/71A
Other languages
English (en)
Italian (it)
Original Assignee
Sec Dep For Defen Ce In Her Br
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 Sec Dep For Defen Ce In Her Br filed Critical Sec Dep For Defen Ce In Her Br
Application granted granted Critical
Publication of IT944367B publication Critical patent/IT944367B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • F04D19/02Multi-stage pumps
    • F04D19/026Multi-stage pumps with a plurality of shafts rotating at different speeds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02Blade-carrying members, e.g. rotors
    • F01D5/022Blade-carrying members, e.g. rotors with concentric rows of axial blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04Air intakes for gas-turbine plants or jet-propulsion plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02KJET-PROPULSION PLANTS
    • F02K3/00Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02Plants 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
    • F02K3/04Plants 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
    • F02K3/06Plants 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 front fan
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/028Units comprising pumps and their driving means the driving means being a planetary gear
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19023Plural power paths to and/or from gearing
    • Y10T74/19074Single drive plural driven
    • Y10T74/19121Concentric

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT32929/71A 1971-01-08 1971-12-24 Comando differenziale per mozzo di girante IT944367B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB97571 1971-01-08

Publications (1)

Publication Number Publication Date
IT944367B true IT944367B (it) 1973-04-20

Family

ID=9713823

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32929/71A IT944367B (it) 1971-01-08 1971-12-24 Comando differenziale per mozzo di girante

Country Status (6)

Country Link
US (1) US3729957A (de)
JP (1) JPS5233323B1 (de)
DE (1) DE2200497C3 (de)
FR (1) FR2121524B1 (de)
GB (1) GB1309721A (de)
IT (1) IT944367B (de)

Families Citing this family (167)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861139A (en) * 1973-02-12 1975-01-21 Gen Electric Turbofan engine having counterrotating compressor and turbine elements and unique fan disposition
GB1484898A (en) * 1974-09-11 1977-09-08 Rolls Royce Ducted fan gas turbine engine
US4254619A (en) * 1978-05-01 1981-03-10 General Electric Company Partial span inlet guide vane for cross-connected engines
US4286430A (en) * 1979-09-17 1981-09-01 Teledyne Industries, Inc. Gas turbine engine
US4563129A (en) * 1983-12-08 1986-01-07 United Technologies Corporation Integrated reduction gear and counterrotation propeller
FR2573816B1 (fr) * 1984-11-29 1989-01-20 Snecma Turboreacteur multiflux multicorps a mecanisme de transmission perfectionne
US4621978A (en) * 1984-12-03 1986-11-11 General Electric Company Counterrotating power turbine
US4767270A (en) * 1986-04-16 1988-08-30 The Boeing Company Hoop fan jet engine
GB2195712B (en) * 1986-10-08 1990-08-29 Rolls Royce Plc A turbofan gas turbine engine
GB2209575A (en) * 1987-09-05 1989-05-17 Rolls Royce Plc A gearbox arrangement for driving contra-rotating multi-bladed rotors
US4916894A (en) * 1989-01-03 1990-04-17 General Electric Company High bypass turbofan engine having a partially geared fan drive turbine
US4969325A (en) * 1989-01-03 1990-11-13 General Electric Company Turbofan engine having a counterrotating partially geared fan drive turbine
US5010729A (en) * 1989-01-03 1991-04-30 General Electric Company Geared counterrotating turbine/fan propulsion system
US5261227A (en) * 1992-11-24 1993-11-16 General Electric Company Variable specific thrust turbofan engine
US5388964A (en) * 1993-09-14 1995-02-14 General Electric Company Hybrid rotor blade
US5649419A (en) * 1995-01-27 1997-07-22 The Boeing Company Rotating acoustically lined inlet splitter for a turbo-fan engine
US6209311B1 (en) * 1998-04-13 2001-04-03 Nikkiso Company, Ltd. Turbofan engine including fans with reduced speed
EP1199445A1 (de) * 2000-10-17 2002-04-24 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Brennstoffvorwärmung in kombinierten Gas- und Dampfturbinenanlagen
GB2382382B (en) 2001-11-23 2005-08-10 Rolls Royce Plc A fan for a turbofan gas turbine engine
US7055306B2 (en) * 2003-04-30 2006-06-06 Hamilton Sundstrand Corporation Combined stage single shaft turbofan engine
US6895741B2 (en) * 2003-06-23 2005-05-24 Pratt & Whitney Canada Corp. Differential geared turbine engine with torque modulation capability
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
GB0406174D0 (en) * 2004-03-19 2004-04-21 Rolls Royce Plc Turbine engine arrangement
US7144221B2 (en) * 2004-07-30 2006-12-05 General Electric Company Method and apparatus for assembling gas turbine engines
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
WO2006059981A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Hydraulic seal for a gearbox of a tip turbine engine
US8033094B2 (en) * 2004-12-01 2011-10-11 United Technologies Corporation Cantilevered tip turbine engine
EP1828568B1 (de) * 2004-12-01 2011-03-23 United Technologies Corporation Gebläse-turbinen-rotoranordnung für einen spitzenturbinenmotor
US20090148273A1 (en) * 2004-12-01 2009-06-11 Suciu Gabriel L Compressor inlet guide vane for tip turbine engine and corresponding control method
WO2006059989A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine support structure
WO2006059988A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Modular tip turbine engine
EP1831521B1 (de) 2004-12-01 2008-08-20 United Technologies Corporation Variable gebläseeinlassleitschaufelanordnung, turbinenmotor mit solch einer anordnung und entsprechendes steuerverfahren
EP1825117B1 (de) * 2004-12-01 2012-06-13 United Technologies Corporation Turbinentriebwerk mit von einem differentialgetriebe angetriebenem fan und verdichter
US8096753B2 (en) 2004-12-01 2012-01-17 United Technologies Corporation Tip turbine engine and operating method with reverse core airflow
US8087885B2 (en) * 2004-12-01 2012-01-03 United Technologies Corporation Stacked annular components for turbine engines
EP1825111B1 (de) * 2004-12-01 2011-08-31 United Technologies Corporation Gegenläufiges kompressorgehäuse für ein tip-turbinentriebwerk
WO2006059975A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Peripheral combustor for tip turbine engine
EP1828574B1 (de) * 2004-12-01 2010-11-03 United Technologies Corporation Enggekoppelte getriebeanordnung für einen spitzenturbinenmotor
EP1828545A2 (de) 2004-12-01 2007-09-05 United Technologies Corporation Ringförmiger turbinenringrotor
US7845157B2 (en) 2004-12-01 2010-12-07 United Technologies Corporation Axial compressor for tip turbine engine
EP1825116A2 (de) * 2004-12-01 2007-08-29 United Technologies Corporation Ejektor-kühlung des aussengehäuses eines tip-turbinen-triebwerks
US9845727B2 (en) * 2004-12-01 2017-12-19 United Technologies Corporation Tip turbine engine composite tailcone
US7854112B2 (en) * 2004-12-01 2010-12-21 United Technologies Corporation Vectoring transition duct for turbine engine
DE602004016059D1 (de) * 2004-12-01 2008-10-02 United Technologies Corp Tip-turbinentriebwerk mit wärmetauscher
US7937927B2 (en) 2004-12-01 2011-05-10 United Technologies Corporation Counter-rotating gearbox for tip turbine engine
EP1834067B1 (de) * 2004-12-01 2008-11-26 United Technologies Corporation Gebläseschaufelanordnung für ein tip-turbinentriebwerk und montageverfahren
EP1834076B1 (de) * 2004-12-01 2011-04-06 United Technologies Corporation Turbinenschaufelgruppe eines Fanrotors sowie Verfahren zur Montage einer solchen Gruppe
WO2006060005A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Fan-turbine rotor assembly with integral inducer section for a tip turbine engine
WO2006059980A2 (en) 2004-12-01 2006-06-08 United Technologies Corporation Diffuser aspiration for a tip turbine engine
WO2006060004A1 (en) 2004-12-01 2006-06-08 United Technologies Corporation Combustor for turbine engine
US9003759B2 (en) 2004-12-01 2015-04-14 United Technologies Corporation Particle separator for tip turbine engine
WO2006059979A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine integral case, vane, mount, and mixer
US8807936B2 (en) * 2004-12-01 2014-08-19 United Technologies Corporation Balanced turbine rotor fan blade for a tip turbine engine
WO2006059992A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Inducer for a fan blade of a tip turbine engine
EP1825177B1 (de) 2004-12-01 2012-01-25 United Technologies Corporation Aufblasbares ablassventil für eine turbomaschine und verfahren zur steuerung von ablassluft
DE602004019709D1 (de) * 2004-12-01 2009-04-09 United Technologies Corp Tip-turbinentriebwerk und entsprechendes betriebsverfahren
EP1841960B1 (de) * 2004-12-01 2011-05-25 United Technologies Corporation Starter-generatorsystem für einen spitzenturbinenmotor
US7882695B2 (en) 2004-12-01 2011-02-08 United Technologies Corporation Turbine blow down starter for turbine engine
WO2006059990A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Regenerative turbine blade and vane cooling for a tip turbine engine
EP1819907A2 (de) * 2004-12-01 2007-08-22 United Technologies Corporation Fanschaufel mit integralem diffusorabschnitt und spitzenturbinenschaufelabschnitt für einen spitzenturbinenmotor
WO2006060013A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Seal assembly for a fan rotor of a tip turbine engine
US8757959B2 (en) * 2004-12-01 2014-06-24 United Technologies Corporation Tip turbine engine comprising a nonrotable compartment
US7883314B2 (en) * 2004-12-01 2011-02-08 United Technologies Corporation Seal assembly for a fan-turbine rotor of a tip turbine engine
WO2006059999A1 (en) 2004-12-01 2006-06-08 United Technologies Corporation Plurality of individually controlled inlet guide vanes in a turbofan engine and corresponding controlling method
EP1831519B1 (de) * 2004-12-01 2010-08-04 United Technologies Corporation Tip-Turbinentriebwerk mit mehreren Gebläse- und Turbinenstufen
US8033092B2 (en) * 2004-12-01 2011-10-11 United Technologies Corporation Tip turbine engine integral fan, combustor, and turbine case
DE602004019710D1 (de) * 2004-12-01 2009-04-09 United Technologies Corp Fernbetätigung für eine verstellbare stufe eines verdichters für einen turbinenmotor
US8083030B2 (en) * 2004-12-01 2011-12-27 United Technologies Corporation Gearbox lubrication supply system for a tip engine
WO2006062497A1 (en) * 2004-12-04 2006-06-15 United Technologies Corporation Tip turbine engine mount
US7509797B2 (en) * 2005-04-29 2009-03-31 General Electric Company Thrust vectoring missile turbojet
US7448199B2 (en) 2005-04-29 2008-11-11 General Electric Company Self powdered missile turbojet
US7475545B2 (en) 2005-04-29 2009-01-13 General Electric Company Fladed supersonic missile turbojet
US7424805B2 (en) * 2005-04-29 2008-09-16 General Electric Company Supersonic missile turbojet engine
FR2889863B1 (fr) * 2005-08-22 2007-11-02 Snecma Compresseur comportant une pluralite de caissons reconstituant un volume annulaire de separation de flux dans une turbomachine.
US7490461B2 (en) * 2005-10-19 2009-02-17 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
US7513103B2 (en) * 2005-10-19 2009-04-07 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
US7493753B2 (en) * 2005-10-19 2009-02-24 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
US7603844B2 (en) * 2005-10-19 2009-10-20 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
US7631484B2 (en) * 2006-03-13 2009-12-15 Rollin George Giffin High pressure ratio aft fan
DE102006021436A1 (de) * 2006-05-09 2007-11-15 Mtu Aero Engines Gmbh Gasturbinentriebwerk
US7694505B2 (en) * 2006-07-31 2010-04-13 General Electric Company Gas turbine engine assembly and method of assembling same
US7661260B2 (en) * 2006-09-27 2010-02-16 General Electric Company Gas turbine engine assembly and method of assembling same
EP2074316B1 (de) * 2006-10-12 2020-02-12 United Technologies Corporation Verwaltung der maximaldrehzahl einer niederdruckturbine in einem mantelstrom-triebwerk
US20100162683A1 (en) * 2006-10-12 2010-07-01 Grabowski Zbigniew M Turbofan engine
US7832193B2 (en) * 2006-10-27 2010-11-16 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
US7921634B2 (en) * 2006-10-31 2011-04-12 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
US7841165B2 (en) * 2006-10-31 2010-11-30 General Electric Company Gas turbine engine assembly and methods of assembling same
US7882693B2 (en) * 2006-11-29 2011-02-08 General Electric Company Turbofan engine assembly and method of assembling same
US7765789B2 (en) * 2006-12-15 2010-08-03 General Electric Company Apparatus and method for assembling gas turbine engines
US7716914B2 (en) * 2006-12-21 2010-05-18 General Electric Company Turbofan engine assembly and method of assembling same
US8967945B2 (en) 2007-05-22 2015-03-03 United Technologies Corporation Individual inlet guide vane control for tip turbine engine
US8104265B2 (en) * 2007-06-28 2012-01-31 United Technologies Corporation Gas turbines with multiple gas flow paths
US9359960B2 (en) * 2007-06-28 2016-06-07 United Technologies Corporation Gas turbines with multiple gas flow paths
US8161728B2 (en) * 2007-06-28 2012-04-24 United Technologies Corp. Gas turbines with multiple gas flow paths
US9701415B2 (en) 2007-08-23 2017-07-11 United Technologies Corporation Gas turbine engine with axial movable fan variable area nozzle
US9494084B2 (en) * 2007-08-23 2016-11-15 United Technologies Corporation Gas turbine engine with fan variable area nozzle for low fan pressure ratio
US10151248B2 (en) * 2007-10-03 2018-12-11 United Technologies Corporation Dual fan gas turbine engine and gear train
US8205432B2 (en) * 2007-10-03 2012-06-26 United Technologies Corporation Epicyclic gear train for turbo fan engine
US8590286B2 (en) * 2007-12-05 2013-11-26 United Technologies Corp. Gas turbine engine systems involving tip fans
US8402742B2 (en) 2007-12-05 2013-03-26 United Technologies Corporation Gas turbine engine systems involving tip fans
US8015798B2 (en) * 2007-12-13 2011-09-13 United Technologies Corporation Geared counter-rotating gas turbofan engine
DE102008013542A1 (de) * 2008-03-11 2009-09-17 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit mehrstromiger Rotoranordnung
US8181442B2 (en) * 2008-05-05 2012-05-22 Pratt & Whitney Canada Corp. Gas turbine aircraft engine with power variability
US8128021B2 (en) 2008-06-02 2012-03-06 United Technologies Corporation Engine mount system for a turbofan gas turbine engine
US20140174056A1 (en) 2008-06-02 2014-06-26 United Technologies Corporation Gas turbine engine with low stage count low pressure turbine
US20100192595A1 (en) 2009-01-30 2010-08-05 Robert Joseph Orlando Gas turbine engine assembly and methods of assembling same
WO2010089880A1 (ja) * 2009-02-06 2010-08-12 トヨタ自動車株式会社 ターボファンエンジン
FR2942273B1 (fr) * 2009-02-18 2011-06-10 Snecma Moteur double flux a roues de turbine contrarotatives
US8689538B2 (en) * 2009-09-09 2014-04-08 The Boeing Company Ultra-efficient propulsor with an augmentor fan circumscribing a turbofan
US8911203B2 (en) 2009-11-20 2014-12-16 United Technologies Corporation Fan rotor support
US9239012B2 (en) 2011-06-08 2016-01-19 United Technologies Corporation Flexible support structure for a geared architecture gas turbine engine
US9631558B2 (en) 2012-01-03 2017-04-25 United Technologies Corporation Geared architecture for high speed and small volume fan drive turbine
US9021778B2 (en) 2011-06-28 2015-05-05 United Technologies Corporation Differential gear system with carrier drive
US20130186058A1 (en) 2012-01-24 2013-07-25 William G. Sheridan Geared turbomachine fan and compressor rotation
US8863491B2 (en) 2012-01-31 2014-10-21 United Technologies Corporation Gas turbine engine shaft bearing configuration
US20130192263A1 (en) * 2012-01-31 2013-08-01 Gabriel L. Suciu Gas turbine engine with high speed low pressure turbine section
US8887487B2 (en) * 2012-01-31 2014-11-18 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
US20130192251A1 (en) 2012-01-31 2013-08-01 Peter M. Munsell Buffer system that communicates buffer supply air to one or more portions of a gas turbine engine
US20130192201A1 (en) * 2012-01-31 2013-08-01 United Technologies Corporation Geared turbofan gas turbine engine architecture
US9845726B2 (en) 2012-01-31 2017-12-19 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US10400629B2 (en) 2012-01-31 2019-09-03 United Technologies Corporation Gas turbine engine shaft bearing configuration
US20140196472A1 (en) * 2012-01-31 2014-07-17 United Technologies Corporation Geared turbofan gas turbine engine architecture
US9222417B2 (en) 2012-01-31 2015-12-29 United Technologies Corporation Geared turbofan gas turbine engine architecture
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
US8935913B2 (en) 2012-01-31 2015-01-20 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
US10240526B2 (en) 2012-01-31 2019-03-26 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US8794009B2 (en) 2012-01-31 2014-08-05 United Technologies Corporation Gas turbine engine buffer system
US20150089959A1 (en) * 2012-01-31 2015-04-02 United Technologies Corporation Gas turbine engine shaft bearing configuration
US10724431B2 (en) * 2012-01-31 2020-07-28 Raytheon Technologies Corporation Buffer system that communicates buffer supply air to one or more portions of a gas turbine engine
US10309232B2 (en) * 2012-02-29 2019-06-04 United Technologies Corporation Gas turbine engine with stage dependent material selection for blades and disk
US20130219859A1 (en) * 2012-02-29 2013-08-29 Gabriel L. Suciu Counter rotating low pressure compressor and turbine each having a gear system
US10125693B2 (en) 2012-04-02 2018-11-13 United Technologies Corporation Geared turbofan engine with power density range
US9074485B2 (en) * 2012-04-25 2015-07-07 United Technologies Corporation Geared turbofan with three turbines all counter-rotating
US10036350B2 (en) 2012-04-30 2018-07-31 United Technologies Corporation Geared turbofan with three turbines all co-rotating
US8956108B2 (en) * 2012-05-11 2015-02-17 Pratt & Whitney Canada Corp Geared fan assembly
US20150308351A1 (en) 2012-05-31 2015-10-29 United Technologies Corporation Fundamental gear system architecture
US8572943B1 (en) 2012-05-31 2013-11-05 United Technologies Corporation Fundamental gear system architecture
US8756908B2 (en) 2012-05-31 2014-06-24 United Technologies Corporation Fundamental gear system architecture
US20130318998A1 (en) 2012-05-31 2013-12-05 Frederick M. Schwarz Geared turbofan with three turbines with high speed fan drive turbine
CA2898464C (en) 2013-01-18 2017-10-10 Craig Miller Kuhne Engine architecture with reverse rotation integral drive and vaneless turbine
EP3961016A1 (de) * 2013-02-13 2022-03-02 Raytheon Technologies Corporation Gasturbinenmotor mit getriebe architektur
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
WO2014197155A1 (en) * 2013-06-03 2014-12-11 United Technologies Corporation Turbofan engine bearing and gearbox arrangement
US20160047304A1 (en) * 2013-12-19 2016-02-18 United Technologies Corporation Ultra high overall pressure ratio gas turbine engine
US9347373B2 (en) 2013-12-19 2016-05-24 Pratt & Whitney Canada Corp. Gas turbine engine with transmission
US20150176530A1 (en) * 2013-12-19 2015-06-25 United Technologies Corporation Ultra high overall pessure ratio gas turbine engine
FR3030444B1 (fr) * 2014-12-22 2017-01-27 Airbus Operations Sas Helice pour turbomachine d'aeronef, comprenant une structure de retention de pales traversee par la partie aerodynamique de chaque pale
US10711631B2 (en) * 2014-12-24 2020-07-14 Raytheon Technologies Corporation Turbine engine with guide vanes forward of its fan blades
US11225913B2 (en) 2015-02-19 2022-01-18 Raytheon Technologies Corporation Method of providing turbine engines with different thrust ratings
US20160245184A1 (en) * 2015-02-19 2016-08-25 United Technologies Corporation Geared turbine engine
US10669946B2 (en) 2015-06-05 2020-06-02 Raytheon Technologies Corporation Geared architecture for a gas turbine engine
US11473441B2 (en) 2016-09-28 2022-10-18 General Electric Company Embedded electric machine
US10837304B2 (en) 2016-12-13 2020-11-17 General Electric Company Hybrid-electric drive system
GB201814255D0 (en) 2018-09-03 2018-10-17 Rolls Royce Plc Aircraft propulsion system
GB201814869D0 (en) 2018-09-03 2018-10-31 Rolls Royce Plc Aircraft Propulsion System
GB201814256D0 (en) * 2018-09-03 2018-10-17 Rolls Royce Plc Aircraft propulsion system
US11149552B2 (en) * 2019-12-13 2021-10-19 General Electric Company Shroud for splitter and rotor airfoils of a fan for a gas turbine engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB878934A (en) * 1959-08-13 1961-10-04 Rolls Royce Improvements in gas turbine jet propulsion engines
FR1296433A (fr) * 1960-08-25 1962-06-15 Rolls Royce Turbo-moteur à gaz à compresseur ou soufflante avant à arbre décalé
US3620021A (en) * 1970-04-14 1971-11-16 Rolls Royce Gas turbine engines
US3673802A (en) * 1970-06-18 1972-07-04 Gen Electric Fan engine with counter rotating geared core booster
US3646834A (en) * 1970-10-28 1972-03-07 Curtiss Wright Corp Counterrotating output transmission

Also Published As

Publication number Publication date
DE2200497C3 (de) 1978-06-29
FR2121524A1 (de) 1972-08-25
US3729957A (en) 1973-05-01
FR2121524B1 (de) 1975-07-18
GB1309721A (en) 1973-03-14
DE2200497B2 (de) 1977-11-10
DE2200497A1 (de) 1972-09-07
JPS5233323B1 (de) 1977-08-27

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