EP2809888A4 - Getriebeturbomaschinenaufbau mit einer flachen kernströmungswegkontur - Google Patents

Getriebeturbomaschinenaufbau mit einer flachen kernströmungswegkontur

Info

Publication number
EP2809888A4
EP2809888A4 EP13743906.3A EP13743906A EP2809888A4 EP 2809888 A4 EP2809888 A4 EP 2809888A4 EP 13743906 A EP13743906 A EP 13743906A EP 2809888 A4 EP2809888 A4 EP 2809888A4
Authority
EP
European Patent Office
Prior art keywords
gearbourne
core flow
machine construction
flow action
flat core
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Withdrawn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
EP13743906.3A
Other languages
English (en)
French (fr)
Other versions
EP2809888A1 (de
Inventor
Gabriel L Suciu
Brian D Merry
Karl L Hasel
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.)
RTX 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 EP2809888A1 publication Critical patent/EP2809888A1/de
Publication of EP2809888A4 publication Critical patent/EP2809888A4/de
Withdrawn legal-status Critical Current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
    • 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
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • 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
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/17—Purpose of the control system to control boundary layer

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)
EP13743906.3A 2012-01-31 2013-01-18 Getriebeturbomaschinenaufbau mit einer flachen kernströmungswegkontur Withdrawn EP2809888A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261593230P 2012-01-31 2012-01-31
US13/364,798 US20130195645A1 (en) 2012-01-31 2012-02-02 Geared turbomachine architecture having a low profile core flow path contour
PCT/US2013/022032 WO2013116009A1 (en) 2012-01-31 2013-01-18 Geared turbomachine architecture having a low profile core flow path contour

Publications (2)

Publication Number Publication Date
EP2809888A1 EP2809888A1 (de) 2014-12-10
EP2809888A4 true EP2809888A4 (de) 2015-12-02

Family

ID=48870367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13743906.3A Withdrawn EP2809888A4 (de) 2012-01-31 2013-01-18 Getriebeturbomaschinenaufbau mit einer flachen kernströmungswegkontur

Country Status (3)

Country Link
US (1) US20130195645A1 (de)
EP (1) EP2809888A4 (de)
WO (1) WO2013116009A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10309232B2 (en) * 2012-02-29 2019-06-04 United Technologies Corporation Gas turbine engine with stage dependent material selection for blades and disk
US9920653B2 (en) 2012-12-20 2018-03-20 United Technologies Corporation Low pressure ratio fan engine having a dimensional relationship between inlet and fan size
US9932933B2 (en) 2012-12-20 2018-04-03 United Technologies Corporation Low pressure ratio fan engine having a dimensional relationship between inlet and fan size
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US20160237914A1 (en) * 2015-02-18 2016-08-18 United Technologies Corporation Geared Turbofan With High Gear Ratio And High Temperature Capability
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US10208709B2 (en) 2016-04-05 2019-02-19 United Technologies Corporation Fan blade removal feature for a gas turbine engine
GB201820919D0 (en) * 2018-12-21 2019-02-06 Rolls Royce Plc Turbine engine
GB201900733D0 (en) * 2019-01-18 2019-03-06 Rolls Royce Plc Highly loaded inlet duct in a geared turbofan
GB201903257D0 (en) 2019-03-11 2019-04-24 Rolls Royce Plc Efficient gas turbine engine installation and operation
GB201903261D0 (en) 2019-03-11 2019-04-24 Rolls Royce Plc Efficient gas turbine engine installation and operation
GB201903262D0 (en) 2019-03-11 2019-04-24 Rolls Royce Plc Efficient gas turbine engine installation and operation
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
US12601271B2 (en) 2022-10-21 2026-04-14 General Electric Company Variable pitch fan of a gas turbine engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090081039A1 (en) * 2007-09-25 2009-03-26 Mccune Michael E Gas turbine engine front architecture modularity
US20100251696A1 (en) * 2006-10-13 2010-10-07 General Electric Co. Plasma enhanced rapidly expanded gas turbine engine transition duct

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Publication number Priority date Publication date Assignee Title
US3971208A (en) * 1974-04-01 1976-07-27 The Garrett Corporation Gas turbine fuel control
US4251987A (en) * 1979-08-22 1981-02-24 General Electric Company Differential geared engine
US5553449A (en) * 1993-12-21 1996-09-10 United Technologies Corporation Method of operating a gas turbine engine powerplant for an aircraft
US20100170224A1 (en) * 2009-01-08 2010-07-08 General Electric Company Plasma enhanced booster and method of operation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100251696A1 (en) * 2006-10-13 2010-10-07 General Electric Co. Plasma enhanced rapidly expanded gas turbine engine transition duct
US20090081039A1 (en) * 2007-09-25 2009-03-26 Mccune Michael E Gas turbine engine front architecture modularity

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
D. E. GRAY: "Energy efficient engine preliminary design and integration studies", NASA CR-135396, 1 November 1978 (1978-11-01), pages 1 - 366, XP055280688, Retrieved from the Internet <URL:http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790003913.pdf> [retrieved on 20160615] *
GRAY D E ET AL: "Energy Efficient Engine Program Technology Benefit/Cost Study, Vol.2", vol. 2, 1 October 1983 (1983-10-01), pages 1 - 118, XP009502192, ISSN: 0565-7059, Retrieved from the Internet <URL:https://ntrs.nasa.gov/search.jsp?R=19900019249> [retrieved on 20180212] *
JAYANTI ET AL: "Bends, Flow and Pressure Drop in", THERMOPEDIA, 16 March 2011 (2011-03-16), pages 1, XP055653590, Retrieved from the Internet <URL:http://www.thermopedia.com/content/577/> [retrieved on 20191217] *
See also references of WO2013116009A1 *

Also Published As

Publication number Publication date
WO2013116009A1 (en) 2013-08-08
US20130195645A1 (en) 2013-08-01
EP2809888A1 (de) 2014-12-10

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