(19)

(11)

EP 4 816 750 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24813161.7 (22) Date of filing: 26.11.2024

(51) International Patent Classification (IPC):  F25D 31/00(2006.01) (52) Cooperative Patent Classification (CPC): F25D 31/001 (86) International application number: PCT/EP2024/083539 (87) International publication number: WO 2025/114245 (05.06.2025 Gazette 2025/23)

(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: 30.11.2023 DK PA202370591 (71) Applicant: DSI Dantech A/S 9352 Dybvad (DK)	(72) Inventor: OLESEN, Henrik Bering 9352 Dybvad (DK) (74) Representative: Zacco Denmark A/S  Arne Jacobsens Allé 15 2300 Copenhagen S 2300 Copenhagen S (DK)