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(11)

EP 4 264 810 A1

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(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 22706737.8 (22) Date of filing: 01.02.2022

(51) International Patent Classification (IPC):  H02M 1/00(2006.01) H02M 7/5387(2007.01) H02M 1/12(2006.01) H02M 1/32(2007.01) (52) Cooperative Patent Classification (CPC): H02M 1/0043; H02M 1/126; H02M 7/5387; H02M 1/325 (86) International application number: PCT/EP2022/052269 (87) International publication number: WO 2022/167388 (11.08.2022 Gazette 2022/32)

(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: 08.02.2021 EP 21155776 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventor: ROBINSON, Jonathan 5615 LA Eindhoven (NL) (74) Representative: Siemens Patent Attorneys  Postfach 22 16 34 80506 München 80506 München (DE)