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(11)

EP 4 426 965 A1

(12)

(43) Date of publication: 11.09.2024 Bulletin 2024/37 (21) Application number: 22812606.6 (22) Date of filing: 02.11.2022

(51) International Patent Classification (IPC):  F23D 14/02(2006.01) F23D 14/78(2006.01) (52) Cooperative Patent Classification (CPC): F23C 2900/9901; F23D 14/02; F23D 14/78; F23D 2203/1023; F23D 2211/00; F23D 2212/20 (86) International application number: PCT/EP2022/080580 (87) International publication number: WO 2023/078949 (11.05.2023 Gazette 2023/19)

(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 (30) Priority: 04.11.2021 NL 2029630 (71) Applicant: Bekaert Combustion Technology B.V. 9403 AR Assen (NL)	(72) Inventors: HOGENBIRK, Camillo Marino Josef 9403 AR Assen (NL) BUS, Marc 9403 AR Assen (NL) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)