EP2798187A4 - Gas turbine engine with fan variable area nozzle to reduce fan instability - Google Patents

Gas turbine engine with fan variable area nozzle to reduce fan instability

Info

Publication number
EP2798187A4
EP2798187A4 EP12872220.4A EP12872220A EP2798187A4 EP 2798187 A4 EP2798187 A4 EP 2798187A4 EP 12872220 A EP12872220 A EP 12872220A EP 2798187 A4 EP2798187 A4 EP 2798187A4
Authority
EP
European Patent Office
Prior art keywords
fan
gas turbine
turbine engine
variable area
instability
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Withdrawn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
EP12872220.4A
Other languages
German (de)
French (fr)
Other versions
EP2798187A1 (en
Inventor
Gregory A Kohlenberg
Sean P Zamora
Frederick M Schwarz
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
Priority claimed from US13/340,787 external-priority patent/US10167813B2/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2798187A1 publication Critical patent/EP2798187A1/en
Publication of EP2798187A4 publication Critical patent/EP2798187A4/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Withdrawn legal-status Critical Current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
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/08—Varying effective area of jet pipe or nozzle by axially moving or transversely deforming an internal member, e.g. the exhaust cone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/15—Control or regulation
    • 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

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)
  • Control Of Turbines (AREA)
EP12872220.4A 2011-12-30 2012-12-28 Gas turbine engine with fan variable area nozzle to reduce fan instability Withdrawn EP2798187A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/340,787 US10167813B2 (en) 2007-08-23 2011-12-30 Gas turbine engine with fan variable area nozzle to reduce fan instability
PCT/US2012/071937 WO2013141933A1 (en) 2011-12-30 2012-12-28 Gas turbine engine with fan variable area nozzle to reduce fan instability

Publications (2)

Publication Number Publication Date
EP2798187A1 EP2798187A1 (en) 2014-11-05
EP2798187A4 true EP2798187A4 (en) 2015-08-19

Family

ID=49223146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12872220.4A Withdrawn EP2798187A4 (en) 2011-12-30 2012-12-28 Gas turbine engine with fan variable area nozzle to reduce fan instability

Country Status (4)

Country Link
EP (1) EP2798187A4 (en)
CN (1) CN104011362B (en)
SG (1) SG11201403586QA (en)
WO (1) WO2013141933A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201906168D0 (en) * 2019-05-02 2019-06-19 Rolls Royce Plc Gas turbine engine with fan outlet guide vanes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747343A (en) * 1972-02-10 1973-07-24 United Aircraft Corp Low noise prop-fan
EP1967701A2 (en) * 2007-03-05 2008-09-10 United Technologies Corporation Flutter sensing and control system for a gas turbine engine
US20090053058A1 (en) * 2007-08-23 2009-02-26 Kohlenberg Gregory A Gas turbine engine with axial movable fan variable area nozzle
US20090226303A1 (en) * 2008-03-05 2009-09-10 Grabowski Zbigniew M Variable area fan nozzle fan flutter management system
US20100043393A1 (en) * 2008-08-19 2010-02-25 Zamora Sean P Gas turbine engine with variable area fan nozzle
EP2184480A2 (en) * 2008-11-05 2010-05-12 Rolls-Royce plc A gas turbine engine with variable area exhaust nozzle and method of operating such a gas turbine engine
US20110004388A1 (en) * 2009-07-01 2011-01-06 United Technologies Corporation Turbofan temperature control with variable area nozzle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8347633B2 (en) * 2007-07-27 2013-01-08 United Technologies Corporation Gas turbine engine with variable geometry fan exit guide vane system
CN101939528B (en) * 2007-08-08 2013-07-24 罗尔股份有限公司 Variable area fan nozzle with bypass flow

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747343A (en) * 1972-02-10 1973-07-24 United Aircraft Corp Low noise prop-fan
EP1967701A2 (en) * 2007-03-05 2008-09-10 United Technologies Corporation Flutter sensing and control system for a gas turbine engine
US20090053058A1 (en) * 2007-08-23 2009-02-26 Kohlenberg Gregory A Gas turbine engine with axial movable fan variable area nozzle
US20090226303A1 (en) * 2008-03-05 2009-09-10 Grabowski Zbigniew M Variable area fan nozzle fan flutter management system
US20100043393A1 (en) * 2008-08-19 2010-02-25 Zamora Sean P Gas turbine engine with variable area fan nozzle
EP2184480A2 (en) * 2008-11-05 2010-05-12 Rolls-Royce plc A gas turbine engine with variable area exhaust nozzle and method of operating such a gas turbine engine
US20110004388A1 (en) * 2009-07-01 2011-01-06 United Technologies Corporation Turbofan temperature control with variable area nozzle

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BANGALORE PHILIP R. GLIEBE ET AL: "Ultra-High Bypass Engine Aeroacoustic Study", NASA/CR-2003-212525, 1 October 2003 (2003-10-01), XP055277347, Retrieved from the Internet <URL:http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20040000741.pdf> [retrieved on 20160602] *
BRUCE E WENDUS ET AL: "Follow-On Technology Requirement Study for Advanced Subsonic Transport", NASA/CR-2003-212467, 1 August 2003 (2003-08-01), pages iii - 48, XP055358621, Retrieved from the Internet <URL:https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20030067946.pdf> [retrieved on 20170324] *
See also references of WO2013141933A1 *
WILLIAM S. WILLIS: "Quiet Clean Short-Haul Experimental Engine (QCSEE) Final Report", NASA CR-159473, 31 August 1979 (1979-08-31), pages 1 - 312, XP055305989, Retrieved from the Internet <URL:http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19800006861.pdf> [retrieved on 20160927] *

Also Published As

Publication number Publication date
SG11201403586QA (en) 2014-07-30
WO2013141933A1 (en) 2013-09-26
CN104011362A (en) 2014-08-27
CN104011362B (en) 2017-10-20
EP2798187A1 (en) 2014-11-05

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