EP3084173A4 - Geared turbofan with three turbine sections - Google Patents

Geared turbofan with three turbine sections

Info

Publication number
EP3084173A4
EP3084173A4 EP14880333.1A EP14880333A EP3084173A4 EP 3084173 A4 EP3084173 A4 EP 3084173A4 EP 14880333 A EP14880333 A EP 14880333A EP 3084173 A4 EP3084173 A4 EP 3084173A4
Authority
EP
European Patent Office
Prior art keywords
turbine sections
geared turbofan
turbofan
geared
turbine
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP14880333.1A
Other languages
German (de)
French (fr)
Other versions
EP3084173A2 (en
Inventor
Frederick M Schwarz
Joseph Brent Staubach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
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 EP3084173A2 publication Critical patent/EP3084173A2/en
Publication of EP3084173A4 publication Critical patent/EP3084173A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
EP14880333.1A 2013-12-16 2014-11-07 Geared turbofan with three turbine sections Withdrawn EP3084173A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201314107169A 2013-12-16 2013-12-16
PCT/US2014/064490 WO2015112231A2 (en) 2013-12-16 2014-11-07 Geared turbofan with three turbine sections

Publications (2)

Publication Number Publication Date
EP3084173A2 EP3084173A2 (en) 2016-10-26
EP3084173A4 true EP3084173A4 (en) 2016-12-28

Family

ID=53682101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14880333.1A Withdrawn EP3084173A4 (en) 2013-12-16 2014-11-07 Geared turbofan with three turbine sections

Country Status (2)

Country Link
EP (1) EP3084173A4 (en)
WO (1) WO2015112231A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120171018A1 (en) * 2007-09-21 2012-07-05 Hasel Karl L Gas turbine engine compressor arrangement
US20130192258A1 (en) * 2012-01-31 2013-08-01 United Technologies Corporation Geared turbofan gas turbine engine architecture
US20130318998A1 (en) * 2012-05-31 2013-12-05 Frederick M. Schwarz Geared turbofan with three turbines with high speed fan drive turbine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008105815A2 (en) * 2006-08-22 2008-09-04 Rolls-Royce North American Technologies, Inc. Gas turbine engine with intermediate speed booster
US8337147B2 (en) * 2007-09-21 2012-12-25 United Technologies Corporation Gas turbine engine compressor arrangement
EP2592235A3 (en) * 2011-11-11 2014-10-15 United Technologies Corporation Gas turbine engine compressor arrangement
US8424313B1 (en) * 2012-01-31 2013-04-23 United Technologies Corporation Gas turbine engine mid turbine frame with flow turning features

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120171018A1 (en) * 2007-09-21 2012-07-05 Hasel Karl L Gas turbine engine compressor arrangement
US20130192258A1 (en) * 2012-01-31 2013-08-01 United Technologies Corporation Geared turbofan gas turbine engine architecture
US20130318998A1 (en) * 2012-05-31 2013-12-05 Frederick M. Schwarz Geared turbofan with three turbines with high speed fan drive turbine

Also Published As

Publication number Publication date
WO2015112231A2 (en) 2015-07-30
EP3084173A2 (en) 2016-10-26
WO2015112231A3 (en) 2015-11-12

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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A4 Supplementary search report drawn up and despatched

Effective date: 20161125

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Ipc: F02K 3/06 20060101AFI20161121BHEP

Ipc: F02C 7/36 20060101ALI20161121BHEP

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Effective date: 20200130