(19)

(11)

EP 3 906 600 A1

(12)

(43) Date of publication: 10.11.2021 Bulletin 2021/45 (21) Application number: 19835757.6 (22) Date of filing: 16.12.2019

(51) International Patent Classification (IPC):  H02G 3/22(2006.01) (52) Cooperative Patent Classification (CPC): H02G 3/22 (86) International application number: PCT/IB2019/060856 (87) International publication number: WO 2020/141382 (09.07.2020 Gazette 2020/28)

(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: 03.01.2019 IT 201900000034 (71) Applicant: Detas S.p.A. 25086 Rezzato, (BS) (IT)	(72) Inventors: DURIN, Giorgio 25086 Rezzato, Brescia (IT) DI TOTA, Luca 25086 Rezzato, Brescia (IT) DALLAN, Maurizio 25086 Rezzato, Brescia (IT) FABRIS, Fabrizio 25086 Rezzato, Brescia (IT) DALL'AGNOL, Guido 25086 Rezzato, Brescia (IT) (74) Representative: Crippa, Paolo Ernesto et al Jacobacci & Partners S.p.A. Via Senato, 8 20121 Milano 20121 Milano (IT)