(19)
(11) EP 4 528 164 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.04.2025 Bulletin 2025/15

(43) Date of publication A2:
26.03.2025 Bulletin 2025/13

(21) Application number: 24192505.6

(22) Date of filing: 02.08.2024
(51) International Patent Classification (IPC): 
F23R 3/06(2006.01)
F23R 3/42(2006.01)
 F23R 3/34(2006.01)
F23R 3/50(2006.01)
(52) Cooperative Patent Classification (CPC):
F23R 3/346; F23R 3/42; F23R 3/50; F23R 3/06
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 25.09.2023 US 202318473615

(71) Applicant: General Electric Company
Cincinnati, Ohio 45215-6301 (US)

(72) Inventors:
  • NAIK, Pradeep
    Cincinnati, 45215-6301 (US)
  • MOHAN, Sripathi
    Cincinnati, 45215-6301 (US)
  • SAMPATH, Karthikeyan
    Cincinnati, 45215-6301 (US)
  • COOPER, Clayton Stuart
    Cincinnati, 45215-6301 (US)
  • VISE, Steven Clayton
    Cincinnati, 45215-6301 (US)
  • BENJAMIN, Michael
    Cincinnati, 45215-6301 (US)
  • VUKANTI, Perumallu
    Cincinnati, 45215-6301 (US)
  • PATRA, Ajoy
    Cincinnati, 45215-6301 (US)

(74) Representative: Openshaw & Co. 
8 Castle Street
Farnham, Surrey GU9 7HR
Farnham, Surrey GU9 7HR (GB)

   


(54) COMBUSTION SECTION WITH A PRIMARY COMBUSTOR AND A SET OF SECONDARY COMBUSTORS


(57) A turbine engine (10) with a compressor section (12), a combustion section (14, 114, 214, 314) and a turbine section (16) in serial flow arrangement along an engine centerline (20, 320). The combustion section (14, 114, 214, 314) having a primary combustor liner (38, 138, 238, 338) including an inner liner (42, 142, 242, 342) and an outer liner (40, 140, 240, 340, 440, 540). A primary combustor (32, 132, 232, 332) having a primary combustion chamber (46, 146, 246, 346) defined at least in part by the inner liner (42, 142, 242, 342), the outer liner (40, 140, 240, 340, 440, 540), and the dome wall (44, 144, 244, 344) and having a primary combustor height (H) and at least one mini combustor (34, 134, 234) with a secondary combustion chamber (54, 154, 254, 354) having a mini combustor height (HM).







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