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EP 4 048 985 A1

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(43) Date of publication: 31.08.2022 Bulletin 2022/35 (21) Application number: 20730793.5 (22) Date of filing: 06.05.2020

(51) International Patent Classification (IPC):  G01G 17/04(2006.01) F17C 13/02(2006.01) G01G 13/285(2006.01) F17C 9/02(2006.01) F25D 3/12(2006.01) (52) Cooperative Patent Classification (CPC): G01G 17/04; F25D 3/125; G01G 13/285; F17C 9/00; F17C 13/026; F17C 2221/013; F17C 2223/0153; F17C 2223/033; F17C 2225/0138; F17C 2250/034; F17C 2250/032; F17C 2250/0421; F17C 2250/0439 (86) International application number: PCT/US2020/031602 (87) International publication number: WO 2020/231692 (19.11.2020 Gazette 2020/47)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 13.05.2019 US 201916410027 (71) Applicant: Praxair Technology, Inc. Danbury, CT 06810 (US)	(72) Inventors: KERMAIDIC, Jérôme 77870 Vulaines Sur Seine (FR) BRIXY, Nathalie 81375 München (DE) BURSAC, Ranko Libertyville, IL 60048 (US) SEVER, Robert, R. Northbrook, IL 60062 (US) ZHOU, Ying Naperville, IL 60565 (US) (74) Representative: Schwan Schorer & Partner mbB  Patentanwälte Bauerstraße 22 80796 München 80796 München (DE)