EP4764310A1 - Brennkammerhitzeschild mit mehreren effusionslochgrössen - Google Patents

Brennkammerhitzeschild mit mehreren effusionslochgrössen

Info

Publication number
EP4764310A1
EP4764310A1 EP25226023.7A EP25226023A EP4764310A1 EP 4764310 A1 EP4764310 A1 EP 4764310A1 EP 25226023 A EP25226023 A EP 25226023A EP 4764310 A1 EP4764310 A1 EP 4764310A1
Authority
EP
European Patent Office
Prior art keywords
zone
effusion
heat shield
wall
effusion holes
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.)
Pending
Application number
EP25226023.7A
Other languages
English (en)
French (fr)
Inventor
Nicholas Guglielmin
Si-Man Lao
Tim Leung
Hayley Ozem
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.)
Pratt and Whitney Canada Corp
Original Assignee
Pratt and Whitney Canada 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 Pratt and Whitney Canada Corp filed Critical Pratt and Whitney Canada Corp
Publication of EP4764310A1 publication Critical patent/EP4764310A1/de
Pending legal-status Critical Current

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
    • F23R3/002—Wall structures
    • 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
    • F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
    • F23R3/04—Air inlet arrangements
    • F23R3/06—Arrangement of apertures along the flame tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/08—Cooling thereof; Tube walls
    • F23M5/085—Cooling thereof; Tube walls using air or other gas as the cooling medium
    • 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
    • F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
    • F23R3/16—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration with devices inside the flame tube or the combustion chamber to influence the air or gas flow
    • 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
    • F23R2900/03041—Effusion cooled combustion chamber walls or domes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP25226023.7A 2024-12-19 2025-12-19 Brennkammerhitzeschild mit mehreren effusionslochgrössen Pending EP4764310A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18/987,934 US20260177242A1 (en) 2024-12-19 2024-12-19 Combustor heat shield with multiple effusion hole sizes

Publications (1)

Publication Number Publication Date
EP4764310A1 true EP4764310A1 (de) 2026-06-24

Family

ID=98059941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP25226023.7A Pending EP4764310A1 (de) 2024-12-19 2025-12-19 Brennkammerhitzeschild mit mehreren effusionslochgrössen

Country Status (3)

Country Link
US (1) US20260177242A1 (de)
EP (1) EP4764310A1 (de)
CA (1) CA3289224A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030200752A1 (en) * 2002-04-29 2003-10-30 Moertle George Eric Multihole patch for combustor liner of a gas turbine engine
US20060277921A1 (en) * 2005-06-10 2006-12-14 Pratt & Whitney Canada Corp. Gas turbine engine combustor with improved cooling
US20080010992A1 (en) * 2006-07-14 2008-01-17 General Electric Company Method and apparatus to facilitate reducing NOx emissions in turbine engines
US20080264065A1 (en) * 2007-04-17 2008-10-30 Miklos Gerendas Gas-turbine combustion chamber wall
US20160305663A1 (en) * 2015-04-17 2016-10-20 Pratt & Whitney Canada Corp. Gas turbine engine combustor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030200752A1 (en) * 2002-04-29 2003-10-30 Moertle George Eric Multihole patch for combustor liner of a gas turbine engine
US20060277921A1 (en) * 2005-06-10 2006-12-14 Pratt & Whitney Canada Corp. Gas turbine engine combustor with improved cooling
US20080010992A1 (en) * 2006-07-14 2008-01-17 General Electric Company Method and apparatus to facilitate reducing NOx emissions in turbine engines
US20080264065A1 (en) * 2007-04-17 2008-10-30 Miklos Gerendas Gas-turbine combustion chamber wall
US20160305663A1 (en) * 2015-04-17 2016-10-20 Pratt & Whitney Canada Corp. Gas turbine engine combustor

Also Published As

Publication number Publication date
CA3289224A1 (en) 2026-06-21
US20260177242A1 (en) 2026-06-25

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