SG11201402937TA - Geared turbofan engine with counter-rotating shafts - Google Patents

Geared turbofan engine with counter-rotating shafts

Info

Publication number
SG11201402937TA
SG11201402937TA SG11201402937TA SG11201402937TA SG11201402937TA SG 11201402937T A SG11201402937T A SG 11201402937TA SG 11201402937T A SG11201402937T A SG 11201402937TA SG 11201402937T A SG11201402937T A SG 11201402937TA SG 11201402937T A SG11201402937T A SG 11201402937TA
Authority
SG
Singapore
Prior art keywords
counter
rotating shafts
turbofan engine
geared turbofan
geared
Prior art date
Application number
SG11201402937TA
Other languages
English (en)
Inventor
Gabriel L Suciu
Frederick Schwarz
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 SG11201402937TA publication Critical patent/SG11201402937TA/en

Links

Classifications

    • 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
    • F02C3/107—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
    • 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
    • F02C7/20—Mounting or supporting of plant; Accommodating heat expansion or creep
    • 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
    • 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
    • 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)
SG11201402937TA 2012-01-31 2013-01-21 Geared turbofan engine with counter-rotating shafts SG11201402937TA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261592879P 2012-01-31 2012-01-31
US13/365,288 US20130192256A1 (en) 2012-01-31 2012-02-03 Geared turbofan engine with counter-rotating shafts
PCT/US2013/022395 WO2013116028A1 (en) 2012-01-31 2013-01-21 Geared turbofan engine with counter-rotating shafts

Publications (1)

Publication Number Publication Date
SG11201402937TA true SG11201402937TA (en) 2014-09-26

Family

ID=48869065

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201402937TA SG11201402937TA (en) 2012-01-31 2013-01-21 Geared turbofan engine with counter-rotating shafts

Country Status (5)

Country Link
US (1) US20130192256A1 (zh)
EP (1) EP2809912A4 (zh)
CN (1) CN104081024B (zh)
SG (1) SG11201402937TA (zh)
WO (1) WO2013116028A1 (zh)

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* Cited by examiner, † Cited by third party
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US20160348591A1 (en) * 2012-01-31 2016-12-01 United Technologies Corporation Geared turbofan engine with counter-rotating shafts
EP3916205A3 (en) * 2012-02-29 2022-03-16 Raytheon Technologies Corporation Geared turbofan engine with counter-rotating shafts
CN104204412B (zh) * 2012-03-22 2016-09-28 通用电器技术有限公司 涡轮叶片
US8753065B2 (en) * 2012-09-27 2014-06-17 United Technologies Corporation Method for setting a gear ratio of a fan drive gear system of a gas turbine engine
EP2964924B1 (en) * 2013-03-04 2019-05-15 United Technologies Corporation Gas turbine engine inlet
US20160222815A1 (en) * 2013-10-01 2016-08-04 United Technologies Corporation High Efficiency Geared Turbofan
EP3111057B1 (en) * 2014-02-26 2020-05-06 United Technologies Corporation Tie rod connection for mid-turbine frame
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US11448123B2 (en) 2014-06-13 2022-09-20 Raytheon Technologies Corporation Geared turbofan architecture
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
CN104481696B (zh) * 2014-12-05 2016-04-13 南昌航空大学 一种对转式外骨架水空两用发动机
US10920612B2 (en) 2015-07-24 2021-02-16 Pratt & Whitney Canada Corp. Mid-turbine frame spoke cooling system and method
US10247035B2 (en) 2015-07-24 2019-04-02 Pratt & Whitney Canada Corp. Spoke locking architecture
US10443449B2 (en) 2015-07-24 2019-10-15 Pratt & Whitney Canada Corp. Spoke mounting arrangement
CN106640375A (zh) * 2015-10-06 2017-05-10 熵零股份有限公司 流体动力透平及其发动机
CN106560605B (zh) * 2015-10-06 2019-04-19 熵零股份有限公司 行星机构桨扇发动机
CN106560606A (zh) * 2015-10-06 2017-04-12 熵零股份有限公司 桨扇发动机
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
CN106704031A (zh) * 2015-11-14 2017-05-24 熵零股份有限公司 发动机
CN106704032A (zh) * 2015-11-14 2017-05-24 熵零股份有限公司 发动机
FR3049006B1 (fr) * 2016-03-15 2018-03-16 Safran Aircraft Engines Turboreacteur ayant un groupe lubrification des paliers simplifie
KR101862933B1 (ko) * 2016-10-13 2018-05-31 두산중공업 주식회사 가스 터빈
EP3342780A1 (en) 2016-12-30 2018-07-04 Dow AgroSciences LLC Pre-mrna processing factor 8 (prp8) nucleic acid molecules to control insect pests
GB201906167D0 (en) * 2019-05-02 2019-06-19 Rolls Royce Plc Gas turbine engine with core mount
IT202000000652A1 (it) 2020-01-15 2021-07-15 Ge Avio Srl Turbomacchina e gruppo ingranaggi
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

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US4808076A (en) * 1987-12-15 1989-02-28 United Technologies Corporation Rotor for a gas turbine engine
US6647707B2 (en) * 2000-09-05 2003-11-18 Sudarshan Paul Dev Nested core gas turbine engine
US6732502B2 (en) * 2002-03-01 2004-05-11 General Electric Company Counter rotating aircraft gas turbine engine with high overall pressure ratio compressor
US7216475B2 (en) * 2003-11-21 2007-05-15 General Electric Company Aft FLADE engine
US7334392B2 (en) * 2004-10-29 2008-02-26 General Electric Company Counter-rotating gas turbine engine and method of assembling same
US7195446B2 (en) * 2004-10-29 2007-03-27 General Electric Company Counter-rotating turbine engine and method of assembling same
US7685808B2 (en) * 2005-10-19 2010-03-30 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
US7632064B2 (en) * 2006-09-01 2009-12-15 United Technologies Corporation Variable geometry guide vane for a gas turbine engine
US7815417B2 (en) * 2006-09-01 2010-10-19 United Technologies Corporation Guide vane for a gas turbine engine
US20100095650A1 (en) * 2006-10-12 2010-04-22 Schafer Bradley C Translating core cowl for a gas turbine engine
US7882693B2 (en) * 2006-11-29 2011-02-08 General Electric Company Turbofan engine assembly and method of assembling same
FR2912181B1 (fr) * 2007-02-07 2009-04-24 Snecma Sa Turbine a gaz a turbines hp et bp contra-rotatives
US8973364B2 (en) * 2008-06-26 2015-03-10 United Technologies Corporation Gas turbine engine with noise attenuating variable area fan nozzle
US8347635B2 (en) * 2008-11-28 2013-01-08 Pratt & Whitey Canada Corp. Locking apparatus for a radial locator for gas turbine engine mid turbine frame
US8191352B2 (en) * 2008-12-19 2012-06-05 General Electric Company Geared differential speed counter-rotatable low pressure turbine

Also Published As

Publication number Publication date
EP2809912A1 (en) 2014-12-10
CN104081024B (zh) 2017-12-15
EP2809912A4 (en) 2015-09-16
US20130192256A1 (en) 2013-08-01
CN104081024A (zh) 2014-10-01
WO2013116028A1 (en) 2013-08-08

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