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EP 4 147 315 A1

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(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 22702629.1 (22) Date of filing: 18.01.2022

(51) International Patent Classification (IPC):  H02G 3/08(2006.01) H05K 5/06(2006.01) H05K 5/02(2006.01) F16L 33/03(2006.01) F16L 5/00(2006.01) F16L 3/00(2006.01) H02G 3/22(2006.01) H02G 15/013(2006.01) F16L 1/00(2006.01) (52) Cooperative Patent Classification (CPC): H02G 3/083; H02G 15/013; H02G 3/22; F16L 5/06 (86) International application number: PCT/EP2022/051045 (87) International publication number: WO 2022/179768 (01.09.2022 Gazette 2022/35)

(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: 24.02.2021 EP 21158877 (71) Applicant: Fronius International GmbH 4643 Pettenbach (AT)	(72) Inventors: HUEMER, Bernhard 4643 Pettenbach (AT) GRAF, Juergen 4643 Pettenbach (AT) WIESINGER, Manfred 4643 Pettenbach (AT) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31 80801 München 80801 München (DE)