(19)

(11)

EP 4 824 497 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24821041.1 (22) Date of filing: 06.12.2024

(51) International Patent Classification (IPC):  F28F 9/02(2006.01) F28D 9/00(2006.01) F28F 3/04(2006.01) F28F 3/08(2006.01) (52) Cooperative Patent Classification (CPC): F28F 3/046; F28D 9/005; F28F 3/083; F28F 9/026 (86) International application number: PCT/EP2024/084964 (87) International publication number: WO 2025/125088 (19.06.2025 Gazette 2025/25)

(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: 15.12.2023 EP 23216948 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventors: NILSSON, Johan 372 37 Ronneby (SE) BLOMGREN, Fredrik 239 41 Falsterbo (SE) (74) Representative: Alfa Laval Attorneys  Alfa Laval Corporate AB Group Patent P.O. Box 73 221 00 Lund 221 00 Lund (SE)