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EP 4 323 776 A1

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(43) Date of publication: 21.02.2024 Bulletin 2024/08 (21) Application number: 22729576.3 (22) Date of filing: 18.05.2022

(51) International Patent Classification (IPC):  G01R 15/18(2006.01) G01R 19/00(2006.01) G01R 19/25(2006.01) (52) Cooperative Patent Classification (CPC): G01R 15/181; G01R 19/2506; G01R 19/0015 (86) International application number: PCT/EP2022/063371 (87) International publication number: WO 2022/243342 (24.11.2022 Gazette 2022/47)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 18.05.2021 CN 202110540687 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: JURISCH, Andreas 16727 Schwante (DE) ZHAO, Shu Yao Nanjing, Jiangsu 211100 (CN) CAO, Qi Nanjing, Jiangsu 211101 (CN) (74) Representative: Horn Kleimann Waitzhofer Schmid-Dreyer Patent- und Rechtsanwälte PartG mbB  Theresienhöhe 12 80339 München 80339 München (DE)