(19)

(11)

EP 4 348 149 A1

(12)

(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22728897.4 (22) Date of filing: 13.05.2022

(51) International Patent Classification (IPC):  F28D 9/00(2006.01) F28F 9/02(2006.01) F28F 3/08(2006.01) (52) Cooperative Patent Classification (CPC): F28D 9/005; F28F 9/0248; F28F 3/083; F28F 2275/20; F28F 2275/205 (86) International application number: PCT/EP2022/063037 (87) International publication number: WO 2022/248251 (01.12.2022 Gazette 2022/48)

(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: 28.05.2021 EP 21176433 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventor: BIVEFORS, Niklas 235 99 VELLINGE (SE) (74) Representative: Alfa Laval Attorneys  Alfa Laval Corporate AB Group Patent P.O. Box 73 221 00 Lund 221 00 Lund (SE)