(19)

(11)

EP 4 544 217 A1

(12)

(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23733853.8 (22) Date of filing: 07.06.2023

(51) International Patent Classification (IPC):  F17C 5/02(2006.01) F17C 5/06(2006.01) (52) Cooperative Patent Classification (CPC): F17C 5/06; F17C 5/02; F17C 2221/012; F17C 2221/033; F17C 2223/0123; F17C 2223/033; F17C 2223/036; F17C 2225/0123; F17C 2225/0161; F17C 2225/033; F17C 2225/036; F17C 2223/0161; F17C 2250/032; F17C 2250/038; F17C 2250/0478; F17C 2250/0636; F17C 2260/042; F17C 2265/065; F17C 2270/0139 (86) International application number: PCT/EP2023/025271 (87) International publication number: WO 2023/247066 (28.12.2023 Gazette 2023/52)

(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: 23.06.2022 EP 22315124 (71) Applicant: Cryostar SAS 68220 Hesingue (FR)	(72) Inventor: BENAZETH, Johann 68220 HESINGUE (FR) (74) Representative: Reuß, Stephanie  Linde GmbH Intellectual Property EMEA Dr.-Carl-von-Linde-Straße 6-14 82049 Pullach 82049 Pullach (DE)