(19)

(11)

EP 3 491 727 A1

(12)

(43) Date of publication: 05.06.2019 Bulletin 2019/23 (21) Application number: 17757890.3 (22) Date of filing: 28.07.2017

(51) International Patent Classification (IPC):  H02M 1/42(2007.01) H02J 3/18(2006.01) (86) International application number: PCT/IB2017/054603 (87) International publication number: WO 2018/020469 (01.02.2018 Gazette 2018/05)

(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: MA MD (30) Priority: 28.07.2016 IT 201600079708 (71) Applicant: Ducati Energia S.p.A. 40132 Bologna (IT)	(72) Inventor: GUERRIERI, Luca 40132 Bologna (IT) (74) Representative: Brunacci, Marco  BRUNACCI & PARTNERS S.r.l. Via Scaglia Est, 19-31 41126 Modena 41126 Modena (IT)