(19)

(11)

EP 4 473 262 A1

(12)

(43) Date of publication: 11.12.2024 Bulletin 2024/50 (21) Application number: 23702189.4 (22) Date of filing: 01.02.2023

(51) International Patent Classification (IPC):  F28D 7/10(2006.01) F28F 13/08(2006.01) F28F 27/00(2006.01) (52) Cooperative Patent Classification (CPC): F28F 2250/00; F28F 27/00; F28F 13/08; F28D 7/106 (86) International application number: PCT/EP2023/052463 (87) International publication number: WO 2023/148229 (10.08.2023 Gazette 2023/32)

(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: KH MA MD TN (30) Priority: 02.02.2022 EP 22154864 (71) Applicant: KilianNRGS 8200 Sint-Michiels Brugge (BE)	(72) Inventors: DE LILLE, Kilian 8200 Sint-Michiels Brugge (BE) D'HONDT, Filip 8480 Ichtegem (BE) (74) Representative: Winger  Mouterij 16 bus 101 3190 Boortmeerbeek 3190 Boortmeerbeek (BE)