(19)

(11)

EP 4 529 605 A1

(12)

(43) Date of publication: 02.04.2025 Bulletin 2025/14 (21) Application number: 23726648.1 (22) Date of filing: 23.05.2023

(51) International Patent Classification (IPC):  F25B 49/02(2006.01) F25B 41/24(2021.01) F25B 6/02(2006.01) F25B 41/20(2021.01) F25B 41/26(2021.01) F25B 13/00(2006.01) (52) Cooperative Patent Classification (CPC): F25B 49/02; F25B 41/20; F25B 41/24; F25B 41/26; F25B 6/02; F25B 2500/19; F25B 13/00; F25B 2313/02731; F25B 2339/047 (86) International application number: PCT/NL2023/050291 (87) International publication number: WO 2023/229456 (30.11.2023 Gazette 2023/48)

(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 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: 23.05.2022 NL 2031963 (71) Applicant: Intergas Verwarming B.V. 7742 NA Coevorden (NL)	(72) Inventors: VAN DER SLUIS, Sietze Marlom 7742 NA Coevorden (NL) VISSER, Louis 7742 NA Coevorden (NL) (74) Representative: Algemeen Octrooi- en Merkenbureau B.V.  P.O. Box 645 5600 AP Eindhoven 5600 AP Eindhoven (NL)