(19)

(11)

EP 4 519 119 A1

(12)

(43) Date of publication: 12.03.2025 Bulletin 2025/11 (21) Application number: 23723620.3 (22) Date of filing: 02.05.2023

(51) International Patent Classification (IPC):  B60L 53/80(2019.01) H01M 50/204(2021.01) B60K 1/04(2019.01) (52) Cooperative Patent Classification (CPC): B60L 53/80; H01M 50/204; H01M 2220/20; H01M 2250/20; H01M 10/44 (86) International application number: PCT/FI2023/050235 (87) International publication number: WO 2023/214115 (09.11.2023 Gazette 2023/45)

(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: 04.05.2022 FI 20225382 (71) Applicant: UDT Technologies Oy 36200 Kangasala (FI)	(72) Inventor: NIEMIOJA, Jussi 36200 Kangasala (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)