[go: up one dir, main page]

IT944367B - DIFFERENTIAL CONTROL FOR IMPELLER HUB - Google Patents

DIFFERENTIAL CONTROL FOR IMPELLER HUB

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
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/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/026—Multi-stage pumps with a plurality of shafts rotating at different speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/022—Blade-carrying members, e.g. rotors with concentric rows of axial blades
    • 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
    • F02C7/00—Features, 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
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • 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
    • F02K3/06—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 front fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/028—Units comprising pumps and their driving means the driving means being a planetary gear
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19023—Plural power paths to and/or from gearing
    • Y10T74/19074—Single drive plural driven
    • Y10T74/19121—Concentric

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 DIFFERENTIAL CONTROL FOR IMPELLER HUB IT944367B (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=9713823

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32929/71A IT944367B (en) 1971-01-08 1971-12-24 DIFFERENTIAL CONTROL FOR IMPELLER HUB

Country Status (6)

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

Families Citing this family (168)

* 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 (en) * 1984-11-29 1989-01-20 Snecma MULTI-BODY MULTIFLUX TURBOREACTOR WITH IMPROVED TRANSMISSION MECHANISM
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
US5010729A (en) * 1989-01-03 1991-04-30 General Electric Company Geared counterrotating turbine/fan propulsion system
US4969325A (en) * 1989-01-03 1990-11-13 General Electric Company Turbofan engine having a counterrotating partially geared fan drive turbine
US4916894A (en) * 1989-01-03 1990-04-17 General Electric Company High bypass turbofan engine having a partially geared fan drive turbine
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 (en) * 2000-10-17 2002-04-24 Siemens Aktiengesellschaft Apparatus and method of fuel preheating in combined gas and steam turbine plants
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 (en) * 2004-01-08 2006-04-28 Snecma Moteurs SEMI-LIEURED TURBINE TURBINE ENGINE HANDLING A PILOT RECEIVER TO KEEP A SUBSTANTIALLY CONSTANT ROTATION SPEED
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 (en) * 2004-09-03 2006-03-09 Mtu Aero Engines Gmbh Fan for an aircraft engine and aircraft engine
US7334981B2 (en) * 2004-10-29 2008-02-26 General Electric Company Counter-rotating gas turbine engine and method of assembling same
DE602004028528D1 (en) * 2004-12-01 2010-09-16 United Technologies Corp Tip turbine engine with multiple blower and turbine stages
WO2006059970A2 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Turbine engine with differential gear driven fan and compressor
US8807936B2 (en) * 2004-12-01 2014-08-19 United Technologies Corporation Balanced turbine rotor fan blade for a tip turbine engine
EP1828574B1 (en) * 2004-12-01 2010-11-03 United Technologies Corporation Close coupled gearbox assembly for a tip turbine engine
EP1828573B1 (en) * 2004-12-01 2010-06-16 United Technologies Corporation Hydraulic seal for a gearbox of a tip turbine engine
EP1828545A2 (en) 2004-12-01 2007-09-05 United Technologies Corporation Annular turbine ring rotor
US9003759B2 (en) 2004-12-01 2015-04-14 United Technologies Corporation Particle separator for tip turbine engine
EP1841960B1 (en) * 2004-12-01 2011-05-25 United Technologies Corporation Starter generator system for a tip turbine engine
US7921635B2 (en) * 2004-12-01 2011-04-12 United Technologies Corporation Peripheral combustor for tip turbine engine
WO2006112807A2 (en) 2004-12-01 2006-10-26 United Technologies Corporation Turbine engine and method for starting a turbine engine
US8024931B2 (en) 2004-12-01 2011-09-27 United Technologies Corporation Combustor for turbine engine
WO2006059971A2 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine integral fan, combustor, and turbine case
WO2006059986A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine and operating method with reverse core airflow
WO2006059988A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Modular tip turbine engine
DE602004019709D1 (en) * 2004-12-01 2009-04-09 United Technologies Corp TIP TURBINE ENGINE AND CORRESPONDING OPERATING PROCESS
EP1834071B1 (en) * 2004-12-01 2013-03-13 United Technologies Corporation Inducer for a fan blade of a tip turbine engine
WO2006110125A2 (en) * 2004-12-01 2006-10-19 United Technologies Corporation Stacked annular components for turbine engines
WO2006060001A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Fan rotor assembly for a tip turbine engine
WO2006059985A1 (en) 2004-12-01 2006-06-08 United Technologies Corporation Axial compressor for tip turbine engine
WO2006060011A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine comprising a nonrotable compartment
US7937927B2 (en) 2004-12-01 2011-05-10 United Technologies Corporation Counter-rotating gearbox for tip turbine engine
EP2333286A1 (en) * 2004-12-01 2011-06-15 United Technologies Corporation Vectoring transition duct for turbine engine
US7874802B2 (en) * 2004-12-01 2011-01-25 United Technologies Corporation Tip turbine engine comprising turbine blade clusters and method of assembly
WO2006059980A2 (en) 2004-12-01 2006-06-08 United Technologies Corporation Diffuser aspiration for a tip turbine engine
WO2006060006A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine non-metallic tailcone
US7883314B2 (en) * 2004-12-01 2011-02-08 United Technologies Corporation Seal assembly for a fan-turbine rotor of a tip turbine engine
EP1825170B1 (en) * 2004-12-01 2009-03-18 United Technologies Corporation Gearbox lubrication supply system for a tip turbine engine
EP1825116A2 (en) * 2004-12-01 2007-08-29 United Technologies Corporation Ejector cooling of outer case for tip turbine engine
US7976273B2 (en) * 2004-12-01 2011-07-12 United Technologies Corporation Tip turbine engine support structure
DE602004031679D1 (en) * 2004-12-01 2011-04-14 United Technologies Corp Regenerative cooling of a guide and blade for a tipturbine engine
US7883315B2 (en) * 2004-12-01 2011-02-08 United Technologies Corporation Seal assembly for a fan rotor of a tip turbine engine
WO2006059972A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Compressor variable stage remote actuation for turbine engine
WO2006060003A2 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Fan blade with integral diffuser section and tip turbine blade section for a tip turbine engine
US8641367B2 (en) 2004-12-01 2014-02-04 United Technologies Corporation Plurality of individually controlled inlet guide vanes in a turbofan engine and corresponding controlling method
US20090148273A1 (en) * 2004-12-01 2009-06-11 Suciu Gabriel L Compressor inlet guide vane for tip turbine engine and corresponding control method
EP1831521B1 (en) * 2004-12-01 2008-08-20 United Technologies Corporation Variable fan inlet guide vane assembly, turbine engine with such an assembly and corresponding controlling method
US20090169385A1 (en) * 2004-12-01 2009-07-02 Suciu Gabriel L Fan-turbine rotor assembly with integral inducer section for a tip turbine engine
WO2006059979A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Tip turbine engine integral case, vane, mount, and mixer
EP1825112B1 (en) * 2004-12-01 2013-10-23 United Technologies Corporation Cantilevered tip turbine engine
DE602004016059D1 (en) * 2004-12-01 2008-10-02 United Technologies Corp TIP TURBINE ENGINE WITH HEAT EXCHANGER
EP1834076B1 (en) * 2004-12-01 2011-04-06 United Technologies Corporation Turbine blade cluster for a fan-turbine rotor assembly and method of mounting such a cluster
EP1825177B1 (en) 2004-12-01 2012-01-25 United Technologies Corporation Inflatable bleed valve for turbine engine and method of controlling bleed air
WO2006059969A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Counter-rotating compressor case and assembly method for tip turbine engine
WO2006062497A1 (en) * 2004-12-04 2006-06-15 United Technologies Corporation Tip turbine engine mount
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
US7448199B2 (en) 2005-04-29 2008-11-11 General Electric Company Self powdered missile turbojet
US7509797B2 (en) * 2005-04-29 2009-03-31 General Electric Company Thrust vectoring missile turbojet
FR2889863B1 (en) * 2005-08-22 2007-11-02 Snecma COMPRESSOR COMPRISING A PLURALITY OF HOUSINGS RECONSTITUTING AN ANNULAR VOLUME OF FLOW SEPARATION IN A TURBOMACHINE.
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
US7726113B2 (en) * 2005-10-19 2010-06-01 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
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
US7490461B2 (en) * 2005-10-19 2009-02-17 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 (en) * 2006-05-09 2007-11-15 Mtu Aero Engines Gmbh Gas turbine engine
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
EP2074322B1 (en) * 2006-10-12 2013-01-16 United Technologies Corporation Turbofan engine
US9541028B2 (en) * 2006-10-12 2017-01-10 United Technologies Corporation Managing low pressure turbine maximum speed in a 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
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
US7921634B2 (en) * 2006-10-31 2011-04-12 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
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
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
US8104265B2 (en) * 2007-06-28 2012-01-31 United Technologies Corporation Gas turbines with multiple gas flow paths
US9494084B2 (en) * 2007-08-23 2016-11-15 United Technologies Corporation Gas turbine engine with fan variable area nozzle for low fan pressure ratio
US9701415B2 (en) 2007-08-23 2017-07-11 United Technologies Corporation Gas turbine engine with axial movable fan variable area nozzle
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
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
DE102008013542A1 (en) 2008-03-11 2009-09-17 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with multi-rotor arrangement
US8181442B2 (en) * 2008-05-05 2012-05-22 Pratt & Whitney Canada Corp. Gas turbine aircraft engine with power variability
US20140174056A1 (en) 2008-06-02 2014-06-26 United Technologies Corporation Gas turbine engine with low stage count low pressure turbine
US8128021B2 (en) 2008-06-02 2012-03-06 United Technologies Corporation Engine mount system for a turbofan gas turbine engine
US20100192595A1 (en) * 2009-01-30 2010-08-05 Robert Joseph Orlando Gas turbine engine assembly and methods of assembling same
US20120023899A1 (en) * 2009-02-06 2012-02-02 Shoji Yasuda Turbofan engine
FR2942273B1 (en) * 2009-02-18 2011-06-10 Snecma DOUBLE FLOW MOTOR WITH CONTRAROTATIVE TURBINE WHEELS
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
US9410608B2 (en) 2011-06-08 2016-08-09 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
US9239012B2 (en) 2011-06-08 2016-01-19 United Technologies Corporation Flexible support structure for a geared architecture gas turbine engine
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
US10400629B2 (en) 2012-01-31 2019-09-03 United Technologies Corporation Gas turbine engine shaft bearing configuration
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
US8935913B2 (en) 2012-01-31 2015-01-20 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
US10240526B2 (en) 2012-01-31 2019-03-26 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US20140196472A1 (en) * 2012-01-31 2014-07-17 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
US9222417B2 (en) 2012-01-31 2015-12-29 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
US20130192201A1 (en) * 2012-01-31 2013-08-01 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
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
US20150345426A1 (en) 2012-01-31 2015-12-03 United Technologies Corporation Geared turbofan gas turbine engine architecture
US8794009B2 (en) 2012-01-31 2014-08-05 United Technologies Corporation Gas turbine engine buffer system
US8887487B2 (en) * 2012-01-31 2014-11-18 United Technologies Corporation Geared turbofan gas turbine engine architecture
US8863491B2 (en) 2012-01-31 2014-10-21 United Technologies Corporation Gas turbine engine shaft bearing configuration
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
US20130318998A1 (en) 2012-05-31 2013-12-05 Frederick M. Schwarz Geared turbofan with three turbines with high speed fan drive turbine
US8756908B2 (en) 2012-05-31 2014-06-24 United Technologies Corporation Fundamental gear system architecture
US8572943B1 (en) 2012-05-31 2013-11-05 United Technologies Corporation Fundamental gear system architecture
US20150308351A1 (en) 2012-05-31 2015-10-29 United Technologies Corporation Fundamental gear system architecture
BR112015017110A2 (en) 2013-01-18 2017-07-11 Gen Electric gas turbine engine
EP2956649B1 (en) * 2013-02-13 2021-06-30 Raytheon Technologies Corporation Gas turbine engine geared architecture
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 (en) * 2014-12-22 2017-01-27 Airbus Operations Sas AIRCRAFT TURBOMACHINE PROPELLER, COMPRISING A BLADE RETENTION STRUCTURE CROSSED BY THE AERODYNAMIC PART OF EACH BLADE
US10711631B2 (en) * 2014-12-24 2020-07-14 Raytheon Technologies Corporation Turbine engine with guide vanes forward of its fan blades
US20160245184A1 (en) * 2015-02-19 2016-08-25 United Technologies Corporation Geared turbine engine
US11225913B2 (en) 2015-02-19 2022-01-18 Raytheon Technologies Corporation Method of providing turbine engines with different thrust ratings
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
GB201814869D0 (en) 2018-09-03 2018-10-31 Rolls Royce Plc Aircraft Propulsion System
GB201814255D0 (en) 2018-09-03 2018-10-17 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 (en) * 1960-08-25 1962-06-15 Rolls Royce Gas turbocharged engine or offset shaft front blower
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 (en) 1978-06-29
US3729957A (en) 1973-05-01
FR2121524A1 (en) 1972-08-25
FR2121524B1 (en) 1975-07-18
DE2200497A1 (en) 1972-09-07
DE2200497B2 (en) 1977-11-10
GB1309721A (en) 1973-03-14
JPS5233323B1 (en) 1977-08-27

Similar Documents

Publication Publication Date Title
IT944367B (en) DIFFERENTIAL CONTROL FOR IMPELLER HUB
CH556178A (en) CIRCULAR DISC.
NL173304C (en) DIFFERENTIAL.
FI56645B (en) FOERFARANDE OCH ANORDNING FOER FRAMSTAELLNING AV SAERSKILT SAOSOM BYGGNADSELEMENT ANVAENDBARA VAEGGAR PLATTOR ELLER FORMELEMENT
FI56115C (en) STABIL HAORFAERGPRODUKT AV OLJA- I VATTEN-EMULSIONTYP
FI56141C (en) ANORDNING FOER KONTINUERLIG PRESSNING SAERSKILT AV SPAONSKIVOR HAORDFIBERSKIVOR OCH DYLIKA ELLER FOER KONTINUERLIG VULKANISERING AV GUMMITRANSPORTBAND OCH LIKNANDE
FI55257B (en) SYSTEM FOER FYLLNING OCH TOEMNING AV VAERMEVAEXLARE AV FLERROERSTYP
CH540435A (en) Centrifugal fan
IT951285B (en) DIFFERENTIAL
NL187186C (en) DIFFERENTIAL AMPLIFIER.
IT947567B (en) WHEEL
BE788971A (en) FAN
CH526223A (en) Centrifugal fan
NL159832B (en) SET VALUE.
CH556973A (en) CENTRIFUGAL IMPELLER.
FI53921C (en) FOERFARANDE FOER GRANULERING AV TABLETTMASSOR I PULVERFORM
CH546077A (en) CATHETER VENTRICULOCEREBRAL.
NL174606C (en) DIFFERENTIAL AMPLIFIER.
NL177992C (en) HELICOPTER.
NO141546C (en) BLADES.
DOP1972002003A (en) ROTATING OVENS.
NL145500B (en) RIM.
NL167602C (en) RIM.
FI55751B (en) FOERFARANDE FOER KONTROLLERING AV SVAMPINFEKTIONER I VAEXTER
ES166651Y (en) SINGLE PIECE FLANGE.