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(11)

EP 4 437 226 A1

(12)

(43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 22817644.2 (22) Date of filing: 11.11.2022

(51) International Patent Classification (IPC):  F02M 21/06(2006.01) F02B 37/00(2006.01) F02B 29/04(2006.01) (52) Cooperative Patent Classification (CPC): F02M 21/06; F02B 29/0437; F02B 29/0412; F02B 37/00; Y02T 10/12 (86) International application number: PCT/EP2022/081671 (87) International publication number: WO 2023/094185 (01.06.2023 Gazette 2023/22)

(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: 25.11.2021 EP 21210344 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventors: MØRCH SØRENSEN, Torben 9000 AALBORG (DK) RASMUSSEN, Henrik 8920 RANDERS NV (DK) SKYTTE JORGENSEN, Lars 9362 GANDRUP (DK) (74) Representative: Alfa Laval Attorneys  Alfa Laval Corporate AB Group Patent P.O. Box 73 221 00 Lund 221 00 Lund (SE)