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EP 3 924 984 A1

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(43) Date of publication: 22.12.2021 Bulletin 2021/51 (21) Application number: 20755981.6 (22) Date of filing: 10.02.2020

(51) International Patent Classification (IPC):  H01B 17/28(2006.01) B32B 25/20(2006.01) H01B 9/02(2006.01) H01F 27/04(2006.01) H01F 38/28(2006.01) B32B 19/02(2006.01) H01B 7/04(2006.01) H01B 13/14(2006.01) H01F 27/32(2006.01) (52) Cooperative Patent Classification (CPC): B32B 2264/108; B32B 2307/202; B32B 2307/208; B32B 2307/206; B32B 7/02; B32B 2307/712; B32B 2260/048; B32B 5/16; B32B 5/30; B32B 3/02; B32B 1/08; B32B 3/08; B32B 25/20; B32B 2260/025; B32B 25/047; B32B 2307/51; B32B 2307/30; B32B 2307/546; H01F 38/28; H01F 27/32; H01B 17/28; H01B 3/004; B32B 2307/732; B32B 25/14; B32B 25/16; B32B 2307/54; H01F 27/04; B32B 2307/724 (86) International application number: PCT/SE2020/050132 (87) International publication number: WO 2020/167218 (20.08.2020 Gazette 2020/34)

(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: 11.02.2019 SE 1930052 (71) Applicant: HM Power AB 721 30 Västerås (SE)	(72) Inventor: MORITZ, Bertil 723 48 Västerås (SE)