(19)

(11)

EP 4 289 055 A1

(12)

(43) Date of publication: 13.12.2023 Bulletin 2023/50 (21) Application number: 23720773.3 (22) Date of filing: 13.04.2023

(51) International Patent Classification (IPC):  H02M 3/335(2006.01) H02M 1/00(2006.01) H02M 3/158(2006.01) (52) Cooperative Patent Classification (CPC): H02M 3/33569; H02M 3/33592; H02M 3/158; H02M 1/0074; H02M 3/335 (86) International application number: PCT/EP2023/059622 (87) International publication number: WO 2023/135339 (20.07.2023 Gazette 2023/29)

(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: 14.04.2022 EP 22382355 (71) Applicant: Differential Power, SL 28042 Madrid (ES)	(72) Inventors: COBOS MARQUEZ, José Antonio 28042 Madrid (ES) COBOS FIGUEROA, Álvaro 28042 Madrid (ES) (74) Representative: Torner, Juncosa I Associats, SL  C / Pau Claris, 108, 1r 1a 08009 Barcelona 08009 Barcelona (ES)