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EP 4 581 735 A1

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(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23772943.9 (22) Date of filing: 23.08.2023

(51) International Patent Classification (IPC):  H02M 1/00(2006.01) H02M 1/38(2007.01) H02M 3/335(2006.01) H02M 3/158(2006.01) (52) Cooperative Patent Classification (CPC): H02M 1/0058; H02M 1/0032; H02M 3/33573; H02M 3/33592; H02M 3/158; H02M 1/38; Y02B 70/10 (86) International application number: PCT/IB2023/058378 (87) International publication number: WO 2024/047475 (07.03.2024 Gazette 2024/10)

(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: 31.08.2022 IT 202200017928 (71) Applicants: Eldor Corporation S.p.A. 22030 Orsenigo (Como) (IT) Dr. Ing. h.c. F. Porsche AG 70435 Stuttgart (DE)	(72) Inventors: FORTE, Pasquale 22030 ORSENIGO (COMO) (IT) LISANTI, Paolo 22030 ORSENIGO (COMO) (IT) DISSEGNA, Filippo 22030 ORSENIGO (COMO) (IT) (74) Representative: Zermani Biondi Orsi, Umberto et al Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)