EP2809936A4 - Gas turbine engine with improved fuel efficiency - Google Patents

Gas turbine engine with improved fuel efficiency

Info

Publication number
EP2809936A4
EP2809936A4 EP13775841.3A EP13775841A EP2809936A4 EP 2809936 A4 EP2809936 A4 EP 2809936A4 EP 13775841 A EP13775841 A EP 13775841A EP 2809936 A4 EP2809936 A4 EP 2809936A4
Authority
EP
European Patent Office
Prior art keywords
gas turbine
turbine engine
fuel efficiency
improved fuel
improved
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.)
Granted
Application number
EP13775841.3A
Other languages
German (de)
French (fr)
Other versions
EP2809936B1 (en
EP2809936A2 (en
Inventor
Karl L Hasel
Peter G Smith
Stuart S Ochs
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
Priority claimed from US13/361,987 external-priority patent/US20120124964A1/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2809936A2 publication Critical patent/EP2809936A2/en
Publication of EP2809936A4 publication Critical patent/EP2809936A4/en
Application granted granted Critical
Publication of EP2809936B1 publication Critical patent/EP2809936B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • 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
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
EP13775841.3A 2012-01-31 2013-01-17 Gas turbine engine with improved fuel efficiency Active EP2809936B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/361,987 US20120124964A1 (en) 2007-07-27 2012-01-31 Gas turbine engine with improved fuel efficiency
PCT/US2013/021831 WO2013154639A2 (en) 2012-01-31 2013-01-17 Gas turbine engine with improved fuel efficiency

Publications (3)

Publication Number Publication Date
EP2809936A2 EP2809936A2 (en) 2014-12-10
EP2809936A4 true EP2809936A4 (en) 2015-09-02
EP2809936B1 EP2809936B1 (en) 2019-08-14

Family

ID=49328269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13775841.3A Active EP2809936B1 (en) 2012-01-31 2013-01-17 Gas turbine engine with improved fuel efficiency

Country Status (2)

Country Link
EP (1) EP2809936B1 (en)
WO (1) WO2013154639A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230027726A1 (en) * 2021-07-19 2023-01-26 Raytheon Technologies Corporation High and low spool configuration for a gas turbine engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259187A (en) * 1993-02-05 1993-11-09 General Electric Company Method of operating an aircraft bypass turbofan engine having variable fan outlet guide vanes
US20110120078A1 (en) * 2009-11-24 2011-05-26 Schwark Jr Fred W Variable area fan nozzle track
EP2798183A1 (en) * 2011-12-30 2014-11-05 United Technologies Corporation Gas turbine engine with low fan pressure ratio

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3912989B2 (en) * 2001-01-25 2007-05-09 三菱重工業株式会社 gas turbine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259187A (en) * 1993-02-05 1993-11-09 General Electric Company Method of operating an aircraft bypass turbofan engine having variable fan outlet guide vanes
US20110120078A1 (en) * 2009-11-24 2011-05-26 Schwark Jr Fred W Variable area fan nozzle track
EP2798183A1 (en) * 2011-12-30 2014-11-05 United Technologies Corporation Gas turbine engine with low fan pressure ratio

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013154639A2 *

Also Published As

Publication number Publication date
EP2809936B1 (en) 2019-08-14
WO2013154639A3 (en) 2014-01-03
EP2809936A2 (en) 2014-12-10
WO2013154639A2 (en) 2013-10-17

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