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SG10201607007XA - Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case - Google Patents

Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case

Info

Publication number
SG10201607007XA
SG10201607007XA SG10201607007XA SG10201607007XA SG10201607007XA SG 10201607007X A SG10201607007X A SG 10201607007XA SG 10201607007X A SG10201607007X A SG 10201607007XA SG 10201607007X A SG10201607007X A SG 10201607007XA SG 10201607007X A SG10201607007X A SG 10201607007XA
Authority
SG
Singapore
Prior art keywords
counter
low pressure
turbine
gear system
system mounted
Prior art date
Application number
SG10201607007XA
Inventor
Brian D Merry
Gabriel L Suciu
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of SG10201607007XA publication Critical patent/SG10201607007XA/en

Links

Classifications

    • 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
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/12Combinations with mechanical gearing
    • 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
    • F01D1/00Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/24Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
    • 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
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162Bearing supports
    • 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
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/30Exhaust heads, chambers, or the like
    • 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
    • F02C3/00Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/107Gas-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
    • 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
    • F02C7/32Arrangement, mounting, or driving, of auxiliaries
    • 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
    • F02K3/072Plants 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Retarders (AREA)
SG10201607007XA 2012-02-29 2013-02-15 Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case SG10201607007XA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/408,301 US9022725B2 (en) 2012-02-29 2012-02-29 Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case

Publications (1)

Publication Number Publication Date
SG10201607007XA true SG10201607007XA (en) 2016-10-28

Family

ID=49003066

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201607007XA SG10201607007XA (en) 2012-02-29 2013-02-15 Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case
SG11201405078YA SG11201405078YA (en) 2012-02-29 2013-02-15 Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201405078YA SG11201405078YA (en) 2012-02-29 2013-02-15 Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case

Country Status (4)

Country Link
US (1) US9022725B2 (en)
EP (1) EP2820266B1 (en)
SG (2) SG10201607007XA (en)
WO (1) WO2013176709A2 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130219859A1 (en) * 2012-02-29 2013-08-29 Gabriel L. Suciu Counter rotating low pressure compressor and turbine each having a gear system
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US9410430B2 (en) * 2014-06-19 2016-08-09 Jay HASKIN Turbine apparatus with counter-rotating blades
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US9745860B1 (en) * 2016-11-02 2017-08-29 Jay HASKIN Power transmission system for turbine or compressor having counter-rotating blades
US10260367B2 (en) 2016-11-02 2019-04-16 Jay HASKIN Power transmission system for turbines or compressors having counter-rotating blades
US10465606B2 (en) 2017-02-08 2019-11-05 General Electric Company Counter rotating turbine with reversing reduction gearbox
US10823114B2 (en) 2017-02-08 2020-11-03 General Electric Company Counter rotating turbine with reversing reduction gearbox
US10801442B2 (en) 2017-02-08 2020-10-13 General Electric Company Counter rotating turbine with reversing reduction gear assembly
US10738617B2 (en) 2017-09-20 2020-08-11 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
US10823001B2 (en) * 2017-09-20 2020-11-03 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
US10508546B2 (en) 2017-09-20 2019-12-17 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
US10815881B2 (en) 2017-09-20 2020-10-27 General Electric Company Counter rotating turbine with reversing speed reduction assembly
US11098592B2 (en) 2017-09-20 2021-08-24 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
US10781717B2 (en) 2017-09-20 2020-09-22 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
US10914194B2 (en) 2017-09-20 2021-02-09 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
US10823000B2 (en) 2017-09-20 2020-11-03 General Electric Company Turbomachine with alternatingly spaced turbine rotor blades
EP3578763A1 (en) 2018-06-07 2019-12-11 Haskin, Jay Power transmission system for turbine, a turbocharger, a compressor, or a pump
US11118535B2 (en) * 2019-03-05 2021-09-14 General Electric Company Reversing gear assembly for a turbo machine
FR3104207B1 (en) * 2019-12-10 2021-11-05 Safran Aircraft Engines PRESSURIZATION OF LUBRICATION ENCLOSURES IN A TURBOMACHINE WITH CONTRAROTARY TURBINE
IT202000004828A1 (en) * 2020-03-06 2021-09-06 Ge Avio Srl ROTATIONAL SUPPORT FOR AN INTERDIGITATED ROTOR COMPLEX.
US11725590B2 (en) 2020-10-22 2023-08-15 General Electric Company Turbomachine and gear assembly
CN112855290A (en) * 2020-11-30 2021-05-28 江苏核电有限公司 Rotor supporting and rotating device of nuclear turbine
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
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817382A (en) 1985-12-31 1989-04-04 The Boeing Company Turboprop propulsion apparatus
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
US5307622A (en) 1993-08-02 1994-05-03 General Electric Company Counterrotating turbine support assembly
US5839267A (en) 1995-03-31 1998-11-24 General Electric Co. Cycle for steam cooled gas turbines
DE19828562B4 (en) 1998-06-26 2005-09-08 Mtu Aero Engines Gmbh Engine with counter-rotating rotors
US6158210A (en) * 1998-12-03 2000-12-12 General Electric Company Gear driven booster
US6619030B1 (en) 2002-03-01 2003-09-16 General Electric Company Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors
US6684626B1 (en) 2002-07-30 2004-02-03 General Electric Company Aircraft gas turbine engine with control vanes for counter rotating low pressure turbines
US6763652B2 (en) 2002-09-24 2004-07-20 General Electric Company Variable torque split aircraft gas turbine engine 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
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
GB0406174D0 (en) 2004-03-19 2004-04-21 Rolls Royce Plc Turbine engine arrangement
US7186073B2 (en) 2004-10-29 2007-03-06 General Electric Company Counter-rotating gas turbine engine and method of assembling same
US7752836B2 (en) * 2005-10-19 2010-07-13 General Electric Company Gas turbine assembly and methods of assembling same
US7493754B2 (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
US7490460B2 (en) * 2005-10-19 2009-02-17 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
US7950220B2 (en) 2006-06-19 2011-05-31 United Technologies Corporation Turbine engine compressor
US8585538B2 (en) 2006-07-05 2013-11-19 United Technologies Corporation Coupling system for a star gear train in a gas turbine engine
US7926259B2 (en) 2006-10-31 2011-04-19 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
US7716914B2 (en) 2006-12-21 2010-05-18 General Electric Company Turbofan engine assembly and method of assembling same
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
US8191352B2 (en) 2008-12-19 2012-06-05 General Electric Company Geared differential speed counter-rotatable low pressure turbine
US8375695B2 (en) * 2009-06-30 2013-02-19 General Electric Company Aircraft gas turbine engine counter-rotatable generator
US8517672B2 (en) 2010-02-23 2013-08-27 General Electric Company Epicyclic gearbox

Also Published As

Publication number Publication date
EP2820266A4 (en) 2015-09-16
SG11201405078YA (en) 2014-11-27
WO2013176709A2 (en) 2013-11-28
US20130223993A1 (en) 2013-08-29
EP2820266A2 (en) 2015-01-07
WO2013176709A3 (en) 2014-03-13
US9022725B2 (en) 2015-05-05
EP2820266B1 (en) 2018-12-26

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