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EP 4 739 974 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24739417.4 (22) Date of filing: 26.06.2024

(51) International Patent Classification (IPC):  F28F 3/08(2006.01) F28F 3/04(2006.01) F28D 9/00(2006.01) F28F 9/02(2006.01) (52) Cooperative Patent Classification (CPC): F28D 9/005; F28F 9/0282; F28F 3/046; F28F 3/086 (86) International application number: PCT/EP2024/067874 (87) International publication number: WO 2025/008233 (09.01.2025 Gazette 2025/02)

(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 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: 03.07.2023 SE 2350827 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventors: MASGRAU GHIGLIA, Marcello 07350 Binissalem (ES) STRÖMER, Fredrik 244 36 Kävlinge (SE) (74) Representative: Alfa Laval Attorneys  Alfa Laval Corporate AB Group Patent P.O. Box 73 221 00 Lund 221 00 Lund (SE)