SG11201406258XA - Geared turbofan with three turbines with first two counter-rotating, and third co-rotating with the second turbine - Google Patents

Geared turbofan with three turbines with first two counter-rotating, and third co-rotating with the second turbine

Info

Publication number
SG11201406258XA
SG11201406258XA SG11201406258XA SG11201406258XA SG11201406258XA SG 11201406258X A SG11201406258X A SG 11201406258XA SG 11201406258X A SG11201406258X A SG 11201406258XA SG 11201406258X A SG11201406258X A SG 11201406258XA SG 11201406258X A SG11201406258X A SG 11201406258XA
Authority
SG
Singapore
Prior art keywords
rotating
turbines
turbine
counter
geared turbofan
Prior art date
Application number
SG11201406258XA
Other languages
English (en)
Inventor
Frederick M Schwarz
Daniel Bernard Kupratis
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49233857&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG11201406258X(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of SG11201406258XA publication Critical patent/SG11201406258XA/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0887—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by elastic deformation of the packing
    • 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
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/12—Combinations with mechanical gearing
    • 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
    • F02C7/36—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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Gasket Seals (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Devices (AREA)
SG11201406258XA 2012-04-02 2013-03-28 Geared turbofan with three turbines with first two counter-rotating, and third co-rotating with the second turbine SG11201406258XA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/437,513 US9964214B2 (en) 2012-04-02 2012-04-02 Seal with non-metallic interface
PCT/US2013/034324 WO2014007893A2 (en) 2012-04-02 2013-03-28 Geared turbofan with three turbines with first two counter-rotating, and third co-rotating with the second turbine

Publications (1)

Publication Number Publication Date
SG11201406258XA true SG11201406258XA (en) 2014-11-27

Family

ID=49233857

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201406258XA SG11201406258XA (en) 2012-04-02 2013-03-28 Geared turbofan with three turbines with first two counter-rotating, and third co-rotating with the second turbine

Country Status (4)

Country Link
US (1) US9964214B2 (de)
EP (2) EP2834469B1 (de)
SG (1) SG11201406258XA (de)
WO (2) WO2014007893A2 (de)

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EP3027870B1 (de) * 2013-08-02 2019-05-15 United Technologies Corporation Keildichtung mit drehschutz für gasturbinenmotor
US9828868B2 (en) 2014-09-11 2017-11-28 United Technologies Corporation Hinged seal using wire mesh
US10288173B2 (en) 2014-10-06 2019-05-14 Caterpillar Inc. Seal member for joint of machine and method of assembling same
US10288174B2 (en) 2014-10-06 2019-05-14 Caterpillar Inc. Seal member for joint of machine
EP3073057B1 (de) 2015-03-27 2019-05-15 Ansaldo Energia Switzerland AG Gasturbinen Hula-Dichtung und zugehöriges Verfahren
EP3073058B1 (de) 2015-03-27 2020-06-10 Ansaldo Energia Switzerland AG Dichtungsanordnungen in gasturbinen
US20170051983A1 (en) * 2015-08-18 2017-02-23 Arvos Inc. Flexible seal for a rotary regenerative preheater
FR3095477B1 (fr) * 2019-04-26 2021-07-09 Airbus Operations Sas Porte d’inverseur de poussée équipée d’un joint saillant et ensemble propulsif d’aéronef comprenant ladite porte
CN117299382B (zh) * 2023-09-28 2024-06-25 北京天兵科技有限公司 一种应用于介质流量控制的喷嘴组件

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US4022948A (en) * 1974-12-23 1977-05-10 United Technologies Corporation Resiliently coated metallic finger seals
DE2550791A1 (de) * 1975-11-12 1977-05-18 Kugelfischer G Schaefer & Co Grossgleitlager, insbesondere gelenklager
US4645217A (en) * 1985-11-29 1987-02-24 United Technologies Corporation Finger seal assembly
US4681651A (en) * 1986-08-07 1987-07-21 Lockheed Corporation Vacuum bag sealing system
FR2670177B1 (fr) * 1990-12-05 1993-01-22 Snecma Joint d'etancheite entre l'arriere du fuselage d'un avion et les volets exterieurs de son turboreacteur.
GB9313905D0 (en) * 1993-07-06 1993-08-25 Rolls Royce Plc Shaft power transfer in gas turbine engines
US5657998A (en) 1994-09-19 1997-08-19 General Electric Company Gas-path leakage seal for a gas turbine
US5622473A (en) 1995-11-17 1997-04-22 General Electric Company Variable stator vane assembly
FR2789144A1 (fr) 1999-02-03 2000-08-04 Joint Francais Joint pour panneaux et aeronef comportant un tel joint
US6415599B1 (en) * 2001-05-11 2002-07-09 General Electric Company Engine interface for axisymmetric vectoring nozzle
DE10148715B4 (de) * 2001-10-02 2007-10-25 Carl Freudenberg Kg Radialwellendichtung und Verfahren zu ihrer Herstellung
US6736401B2 (en) 2001-12-19 2004-05-18 Honeywell International, Inc. Laminated finger seal with ceramic composition
GB2408072A (en) * 2003-11-15 2005-05-18 Rolls Royce Plc Contra rotatable turbine system
FR2864997B1 (fr) * 2004-01-08 2006-04-28 Snecma Moteurs Turbomachine a turbine semi-liee entrainant un recepteur pilote de maniere a conserver une vitesse de rotation sensiblement constante
US7563050B2 (en) 2004-07-15 2009-07-21 Temper Corporation Rings for mounting structures to shafts and methods of using such rings
US7367567B2 (en) 2005-03-02 2008-05-06 United Technologies Corporation Low leakage finger seal
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US7513102B2 (en) * 2005-06-06 2009-04-07 General Electric Company Integrated counterrotating turbofan
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Also Published As

Publication number Publication date
EP2834469B1 (de) 2018-06-27
US9964214B2 (en) 2018-05-08
EP2834469A4 (de) 2015-06-24
US20130256993A1 (en) 2013-10-03
EP2834501B1 (de) 2020-09-02
WO2014007891A3 (en) 2014-03-13
EP2834501A2 (de) 2015-02-11
EP2834469A2 (de) 2015-02-11
WO2014007893A2 (en) 2014-01-09
EP2834501A4 (de) 2016-02-17
WO2014007891A2 (en) 2014-01-09
WO2014007893A3 (en) 2014-02-27

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