GB2451517B - Pilot mixer for mixer assembly of a gas turbine engine combuster having a primary fuel injector and a plurality of secondary fuel injection ports - Google Patents

Pilot mixer for mixer assembly of a gas turbine engine combuster having a primary fuel injector and a plurality of secondary fuel injection ports

Info

Publication number
GB2451517B
GB2451517B GB0715150.9A GB0715150A GB2451517B GB 2451517 B GB2451517 B GB 2451517B GB 0715150 A GB0715150 A GB 0715150A GB 2451517 B GB2451517 B GB 2451517B
Authority
GB
United Kingdom
Prior art keywords
mixer
gas turbine
turbine engine
injection ports
fuel injection
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.)
Expired - Fee Related
Application number
GB0715150.9A
Other versions
GB2451517A (en
GB0715150D0 (en
Inventor
Shui-Chi Li
Shih-Yang Hsieh
George Chia-Chun Hsiao
Hukam Chand Mongia
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB0715150.9A priority Critical patent/GB2451517B/en
Publication of GB0715150D0 publication Critical patent/GB0715150D0/en
Publication of GB2451517A publication Critical patent/GB2451517A/en
Application granted granted Critical
Publication of GB2451517B publication Critical patent/GB2451517B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/34—Feeding into different combustion zones
    • F23R3/343—Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
GB0715150.9A 2007-08-03 2007-08-03 Pilot mixer for mixer assembly of a gas turbine engine combuster having a primary fuel injector and a plurality of secondary fuel injection ports Expired - Fee Related GB2451517B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0715150.9A GB2451517B (en) 2007-08-03 2007-08-03 Pilot mixer for mixer assembly of a gas turbine engine combuster having a primary fuel injector and a plurality of secondary fuel injection ports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0715150.9A GB2451517B (en) 2007-08-03 2007-08-03 Pilot mixer for mixer assembly of a gas turbine engine combuster having a primary fuel injector and a plurality of secondary fuel injection ports

Publications (3)

Publication Number Publication Date
GB0715150D0 GB0715150D0 (en) 2007-09-12
GB2451517A GB2451517A (en) 2009-02-04
GB2451517B true GB2451517B (en) 2012-02-29

Family

ID=38529250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0715150.9A Expired - Fee Related GB2451517B (en) 2007-08-03 2007-08-03 Pilot mixer for mixer assembly of a gas turbine engine combuster having a primary fuel injector and a plurality of secondary fuel injection ports

Country Status (1)

Country Link
GB (1) GB2451517B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8607571B2 (en) 2009-09-18 2013-12-17 Delavan Inc Lean burn injectors having a main fuel circuit and one of multiple pilot fuel circuits with prefiliming air-blast atomizers
US9046039B2 (en) 2008-05-06 2015-06-02 Rolls-Royce Plc Staged pilots in pure airblast injectors for gas turbine engines
EP2592351B1 (en) 2011-11-09 2017-04-12 Rolls-Royce plc Staged pilots in pure airblast injectors for gas turbine engines
CN103123122B (en) * 2012-12-31 2015-08-12 南京航空航天大学 The lean premixed preevaporated low contamination combustion chamber that a kind of main fuel oil directly sprays
CN105135478B (en) * 2015-10-16 2017-12-08 北京航空航天大学 A kind of main combustion stage uses the low pollution combustor of axially two-stage distributed cyclone
EP4202305A1 (en) 2021-12-21 2023-06-28 General Electric Company Fuel nozzle and swirler
US11725819B2 (en) 2021-12-21 2023-08-15 General Electric Company Gas turbine fuel nozzle having a fuel passage within a swirler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0660038A2 (en) * 1993-12-23 1995-06-28 ROLLS-ROYCE plc Fuel injection apparatus
EP1186832A2 (en) * 2000-09-08 2002-03-13 General Electric Company Fuel nozzle assembly for reduced exhaust emissions
EP1193448A2 (en) * 2000-09-29 2002-04-03 General Electric Company Multiple annular combustion chamber swirler having atomizing pilot
US6418726B1 (en) * 2001-05-31 2002-07-16 General Electric Company Method and apparatus for controlling combustor emissions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0660038A2 (en) * 1993-12-23 1995-06-28 ROLLS-ROYCE plc Fuel injection apparatus
EP1186832A2 (en) * 2000-09-08 2002-03-13 General Electric Company Fuel nozzle assembly for reduced exhaust emissions
EP1193448A2 (en) * 2000-09-29 2002-04-03 General Electric Company Multiple annular combustion chamber swirler having atomizing pilot
US6418726B1 (en) * 2001-05-31 2002-07-16 General Electric Company Method and apparatus for controlling combustor emissions

Also Published As

Publication number Publication date
GB2451517A (en) 2009-02-04
GB0715150D0 (en) 2007-09-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180803