SG11201405116QA - Counter-rotating low pressure turbine with gear system mounted to mid turbine frame - Google Patents

Counter-rotating low pressure turbine with gear system mounted to mid turbine frame

Info

Publication number
SG11201405116QA
SG11201405116QA SG11201405116QA SG11201405116QA SG11201405116QA SG 11201405116Q A SG11201405116Q A SG 11201405116QA SG 11201405116Q A SG11201405116Q A SG 11201405116QA SG 11201405116Q A SG11201405116Q A SG 11201405116QA SG 11201405116Q A SG11201405116Q A SG 11201405116QA
Authority
SG
Singapore
Prior art keywords
counter
low pressure
gear system
system mounted
turbine
Prior art date
Application number
SG11201405116QA
Inventor
Gabriel L Suciu
Brian D Merry
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 SG11201405116QA publication Critical patent/SG11201405116QA/en

Links

Classifications

    • 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
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/24—Non-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
    • F01D1/26—Non-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 traversed by the working-fluid substantially axially
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • 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
    • 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
    • F02C7/06—Arrangements of bearings; Lubricating
    • 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
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/36—Arrangement of components in inner-outer relationship, e.g. shaft-bearing arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/40—Movement of components
    • F05D2250/44—Movement of components by counter rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Retarders (AREA)
  • Gear Transmission (AREA)
SG11201405116QA 2012-02-29 2013-02-25 Counter-rotating low pressure turbine with gear system mounted to mid turbine frame SG11201405116QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/408,178 US9080512B2 (en) 2012-02-29 2012-02-29 Counter-rotating low pressure turbine with gear system mounted to mid turbine frame
PCT/US2013/027549 WO2013172905A2 (en) 2012-02-29 2013-02-25 Counter-rotating low pressure turbine with gear system mounted to mid turbine frame

Publications (1)

Publication Number Publication Date
SG11201405116QA true SG11201405116QA (en) 2014-11-27

Family

ID=49001323

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201405116QA SG11201405116QA (en) 2012-02-29 2013-02-25 Counter-rotating low pressure turbine with gear system mounted to mid turbine frame

Country Status (8)

Country Link
US (1) US9080512B2 (en)
EP (1) EP2820282B1 (en)
JP (1) JP5623572B2 (en)
CN (1) CN103291458B (en)
BR (1) BR102013001737B1 (en)
CA (1) CA2805279C (en)
SG (1) SG11201405116QA (en)
WO (1) WO2013172905A2 (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2490128B (en) * 2011-04-19 2013-09-18 Rolls Royce Plc Methods for controlling friction between heterogeneous contact surfaces
US20130219859A1 (en) * 2012-02-29 2013-08-29 Gabriel L. Suciu Counter rotating low pressure compressor and turbine each having a gear system
US9752500B2 (en) * 2013-03-14 2017-09-05 Pratt & Whitney Canada Corp. Gas turbine engine with transmission and method of adjusting rotational speed
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10094277B2 (en) 2014-06-20 2018-10-09 United Technologies Corporation Gas turbine engine configured for modular assembly/disassembly and method for same
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
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
US10465606B2 (en) 2017-02-08 2019-11-05 General Electric Company Counter rotating turbine with reversing reduction gearbox
US10663036B2 (en) 2017-06-13 2020-05-26 General Electric Company Gas turbine engine with rotating reversing compound gearbox
DE102017211649A1 (en) * 2017-07-07 2019-01-10 MTU Aero Engines AG Gas turbine with a high-speed low-pressure turbine and a turbine housing
US10738617B2 (en) * 2017-09-20 2020-08-11 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
US11098592B2 (en) * 2017-09-20 2021-08-24 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
US10823001B2 (en) * 2017-09-20 2020-11-03 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
US10774008B2 (en) 2017-09-21 2020-09-15 General Electric Company Ceramic matrix composite articles
US10329201B2 (en) 2017-09-21 2019-06-25 General Electric Company Ceramic matrix composite articles formation method
US10746047B2 (en) 2017-10-27 2020-08-18 General Electric Company Structure for mitigating vibratory modes of counter-rotating engine rotors
US10781709B2 (en) * 2018-01-09 2020-09-22 General Electric Company Turbine engine with a seal
US11021970B2 (en) * 2019-02-20 2021-06-01 General Electric Company Turbomachine with alternatingly spaced rotor blades
US11073088B2 (en) 2019-02-20 2021-07-27 General Electric Company Gearbox mounting in a turbomachine
US11156097B2 (en) 2019-02-20 2021-10-26 General Electric Company Turbomachine having an airflow management assembly
US11753939B2 (en) 2019-02-20 2023-09-12 General Electric Company Turbomachine with alternatingly spaced rotor blades
US11085515B2 (en) 2019-02-20 2021-08-10 General Electric Company Gearbox coupling in a turbomachine
US11118535B2 (en) * 2019-03-05 2021-09-14 General Electric Company Reversing gear assembly for a turbo machine
FR3097271B1 (en) * 2019-06-12 2021-05-28 Safran Aircraft Engines Device for cooling a casing of a turbomachine
US20220128010A1 (en) * 2020-10-23 2022-04-28 Ge Avio S.R.L. Structure and method for counter-rotating turbine and gear assembly and disassembly
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 (15)

* 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
US5361580A (en) * 1993-06-18 1994-11-08 General Electric Company Gas turbine engine rotor support system
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
US7269938B2 (en) 2004-10-29 2007-09-18 General Electric Company Counter-rotating gas turbine engine and method of assembling same
US7513102B2 (en) 2005-06-06 2009-04-07 General Electric Company Integrated counterrotating turbofan
US7594388B2 (en) 2005-06-06 2009-09-29 General Electric Company Counterrotating turbofan engine
US7950220B2 (en) * 2006-06-19 2011-05-31 United Technologies Corporation Turbine engine compressor
US7841165B2 (en) 2006-10-31 2010-11-30 General Electric Company Gas turbine engine assembly and methods 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
FR2940247B1 (en) 2008-12-19 2011-01-21 Snecma SYSTEM OF CONTRAROTATIVE PROPELLERS DRAWN BY AN EPICYCLOIDAL TRAIN PROVIDING A BALANCED TORQUE DISTRIBUTION BETWEEN THE TWO PROPELLERS
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
US8375695B2 (en) 2009-06-30 2013-02-19 General Electric Company Aircraft gas turbine engine counter-rotatable generator
FR2955085B1 (en) * 2010-01-08 2011-12-23 Snecma SYSTEM FOR CONTRAROTATIVE PROPELLERS FOR AIRCRAFT TURBOMACHINE

Also Published As

Publication number Publication date
CN103291458A (en) 2013-09-11
JP5623572B2 (en) 2014-11-12
EP2820282A2 (en) 2015-01-07
EP2820282A4 (en) 2015-10-21
WO2013172905A2 (en) 2013-11-21
US9080512B2 (en) 2015-07-14
JP2013181540A (en) 2013-09-12
US20130219856A1 (en) 2013-08-29
BR102013001737A2 (en) 2015-05-12
BR102013001737B1 (en) 2022-04-12
WO2013172905A3 (en) 2014-02-06
CA2805279C (en) 2015-05-05
EP2820282B1 (en) 2017-10-04
CN103291458B (en) 2016-01-06
CA2805279A1 (en) 2013-08-29

Similar Documents

Publication Publication Date Title
SG11201405116QA (en) Counter-rotating low pressure turbine with gear system mounted to mid turbine frame
SG11201405076VA (en) Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case
SG10201607007XA (en) Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case
EP2900973A4 (en) Mid-turbine frame with fairing attachment
SG11201405074TA (en) Counter-rotating low pressure turbine without turbine exhaust case
EP2764325A4 (en) Using videogrammetry to fabricate parts
GB201317216D0 (en) Improvements in or relating to deformable membrane assemblies
GB201316224D0 (en) Improvements in or relating to stairlifts
EP2895643A4 (en) Externally-reinforced water electrolyser module
TWI561253B (en) Arctigenin derivative-containing antiager
GB201306740D0 (en) Improvements relating to locking apparartus
PL2798450T3 (en) Causing elements to be displayed
GB2507197B (en) Improvements in or relating to power loss-actuated systems
GB2488042B (en) Improvements in or relating to windows
GB2510810B (en) Improvements in or relating to stairlifts
GB2503199B (en) Improvements in or relating to stairlifts
GB2499638B (en) Improvements in or relating to grooved structural elements
GB2499408B (en) Improvements in or relating to stairlifts
GB201219804D0 (en) Improvements in or relating to turbines
AU2012901102A0 (en) Improvements to turbines
AU2012900865A0 (en) Improvements to turbines
GB201210967D0 (en) Improvements relating to wind turbines
GB201207923D0 (en) Improvements in or relating to visual performance
ZA201407500B (en) Prevailing torque unit
GB2499409B (en) Improvements in or relating to stairlifts