CA2603567C - Methods and apparatus to facilitate decreasing combustor acoustics - Google Patents

Methods and apparatus to facilitate decreasing combustor acoustics Download PDF

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Publication number
CA2603567C
CA2603567C CA 2603567 CA2603567A CA2603567C CA 2603567 C CA2603567 C CA 2603567C CA 2603567 CA2603567 CA 2603567 CA 2603567 A CA2603567 A CA 2603567A CA 2603567 C CA2603567 C CA 2603567C
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CA
Canada
Prior art keywords
fuel
swirler
main
vanes
elbo
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
CA 2603567
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English (en)
French (fr)
Other versions
CA2603567A1 (en
Inventor
Mark Anthony Mueller
Timothy James Held
Mark Patrick Kelsey
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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
Publication of CA2603567A1 publication Critical patent/CA2603567A1/en
Application granted granted Critical
Publication of CA2603567C publication Critical patent/CA2603567C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/00014—Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators
    • 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
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/03343—Pilot burners operating in premixed mode

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Supply (AREA)
CA 2603567 2006-09-29 2007-09-20 Methods and apparatus to facilitate decreasing combustor acoustics Expired - Fee Related CA2603567C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/537,100 US7631500B2 (en) 2006-09-29 2006-09-29 Methods and apparatus to facilitate decreasing combustor acoustics
US11/537,100 2006-09-29

Publications (2)

Publication Number Publication Date
CA2603567A1 CA2603567A1 (en) 2008-03-29
CA2603567C true CA2603567C (en) 2015-03-31

Family

ID=38654661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2603567 Expired - Fee Related CA2603567C (en) 2006-09-29 2007-09-20 Methods and apparatus to facilitate decreasing combustor acoustics

Country Status (4)

Country Link
US (1) US7631500B2 (https=)
EP (1) EP1909030B1 (https=)
JP (1) JP4958709B2 (https=)
CA (1) CA2603567C (https=)

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Also Published As

Publication number Publication date
EP1909030B1 (en) 2017-01-25
US20080078181A1 (en) 2008-04-03
CA2603567A1 (en) 2008-03-29
US7631500B2 (en) 2009-12-15
EP1909030A3 (en) 2013-01-02
JP2008089296A (ja) 2008-04-17
JP4958709B2 (ja) 2012-06-20
EP1909030A2 (en) 2008-04-09

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Effective date: 20190920