(19)

(11)

EP 4 367 442 A1

(12)

(43) Date of publication: 15.05.2024 Bulletin 2024/20 (21) Application number: 22735487.5 (22) Date of filing: 06.07.2022

(51) International Patent Classification (IPC):  F23N 1/02(2006.01) (52) Cooperative Patent Classification (CPC): F23N 1/022; F23N 2237/10 (86) International application number: PCT/EP2022/068751 (87) International publication number: WO 2023/280923 (12.01.2023 Gazette 2023/02)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 06.07.2021 NL 2028637 (71) Applicant: Bekaert Combustion Technology B.V. 9403 AR Assen (NL)	(72) Inventors: FOLKERS, Geert 9403 AR Assen (NL) VAN VLIET, Gerben 9403 AR Assen (NL) 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)