(19)

(11)

EP 4 392 728 A1

(12)

(43) Date of publication: 03.07.2024 Bulletin 2024/27 (21) Application number: 22765156.9 (22) Date of filing: 23.08.2022

(51) International Patent Classification (IPC):  F28D 7/14(2006.01) F28F 13/00(2006.01) (52) Cooperative Patent Classification (CPC): F28F 13/003; F28D 2021/0047; F28D 7/14; F25J 1/001; F28F 2250/08; F28F 21/08; F25J 1/0296; F25J 2230/04; F25J 2230/30 (86) International application number: PCT/EP2022/073382 (87) International publication number: WO 2023/025750 (02.03.2023 Gazette 2023/09)

(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: 23.08.2021 EP 21192542 (71) Applicant: DHES B.V. 5674 TM Nuenen (NL)	(72) Inventor: SCHOONEN, Wilhelmus Franciskus 5674 TM Nuenen (NL) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)