(19)

(11)

EP 4 680 897 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24719021.8 (22) Date of filing: 26.03.2024

(51) International Patent Classification (IPC):  F23R 3/28(2006.01) (52) Cooperative Patent Classification (CPC): F23R 3/283; F23R 3/286; F23R 2900/03041; F23R 2900/03042 (86) International application number: PCT/US2024/021422 (87) International publication number: WO 2024/226209 (31.10.2024 Gazette 2024/44)

(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: 28.04.2023 GB 202306306 (71) Applicant: Siemens Energy Global GmbH & Co. KG 81739 München (DE)	(72) Inventors: MOELL, Daniel 61246 Finspång (SE) JOHANSSON, Nicklas 61732 Skärblacka (SE) TENSELIUS, Josefine 61296 Finspång (SE) NYBERG, Michael 58573 Ljungsbro (SE) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Partg mbB Friedrichstraße 31 80801 München 80801 München (DE)