(19)

(11)

EP 4 469 716 A1

(12)

(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 23701839.5 (22) Date of filing: 23.01.2023

(51) International Patent Classification (IPC):  F17C 6/00(2006.01) (52) Cooperative Patent Classification (CPC): F17C 2201/0104; F17C 2201/032; F17C 2201/052; F17C 2203/03; F17C 2221/033; F17C 2223/0161; F17C 2223/0169; F17C 2223/033; F17C 2227/0355; F17C 2227/0383; F17C 2227/0135; F17C 2205/0326; F17C 2205/0329; F17C 2227/0157; F17C 2227/0362; F17C 2250/032; F17C 2250/043; F17C 2250/0439; F17C 2250/0626; F17C 2250/0631; F17C 2250/072; F17C 2260/031; F17C 2260/032; F17C 2260/044; F17C 2260/046; F17C 2265/035; F17C 2265/066; F17C 2270/0105; F17C 6/00; F25J 1/0025; F25J 2290/34; F25J 1/0277; F25J 1/0256; F25J 1/0204; F25J 1/0244; F25J 1/005; F25J 1/0072 (86) International application number: PCT/EP2023/025030 (87) International publication number: WO 2023/143865 (03.08.2023 Gazette 2023/31)

(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: 28.01.2022 EP 22315026 (71) Applicant: Cryostar SAS 68220 Hesingue (FR)	(72) Inventor: PAGES, Guillaume 68220 HESINGUE (FR) (74) Representative: Reuß, Stephanie  Linde GmbH Intellectual Property EMEA Dr.-Carl-von-Linde-Straße 6-14 82049 Pullach 82049 Pullach (DE)