(19)
(11) EP 4 739 889 A1

(12)

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 23762181.8

(22) Date of filing: 23.08.2023
(51) International Patent Classification (IPC): 
F01D 9/02(2006.01)
F01D 11/00(2006.01)
F01D 25/24(2006.01)
 F01D 9/04(2006.01)
F01D 11/02(2006.01)
(52) Cooperative Patent Classification (CPC):
F05D 2220/31; F01D 11/005; F01D 25/246; F01D 11/001; F01D 11/003; F01D 9/02; F01D 9/04; F01D 11/025; F01D 11/008; F05D 2230/60
(86) International application number:
PCT/EP2023/073173
(87) International publication number:
WO 2025/040258 (27.02.2025 Gazette 2025/09)
(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:
KH MA MD TN

(71) Applicant: GE Vernova Technology GmbH
5400 Baden (CH)

(72) Inventors:
  • MENDEZ PULIDO, Fernando
    Querétaro, 76903 (MX)
  • AZCARATE CASTRELLÓN, Martha Alejandra
    08022 Barcelona (ES)
  • CORONA BRAVO, Cesar
    Querétaro, 76146 (MX)

(74) Representative: Wesela-Bauman, Grzegorz 
ul. Kosciuszki 14
96-300 Zyrardow
96-300 Zyrardow (PL)

   


(54) STATOR DIAPHRAGM WITH SEAL RING, STEAM TURBINES AND POWER PLANTS INCLUDING STATOR DIAPHRAGM AND METHODS FOR ARRANGING SEAL RINGS IN STATOR DIAPHRAGMS