(19)

(11)

EP 3 638 536 A1

(12)

(43) Date of publication: 22.04.2020 Bulletin 2020/17 (21) Application number: 18743594.6 (22) Date of filing: 09.07.2018

(51) International Patent Classification (IPC):  B60L 53/30(2019.01) (86) International application number: PCT/IB2018/055031 (87) International publication number: WO 2019/030585 (14.02.2019 Gazette 2019/07)

(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: 07.08.2017 CH 10032017 (71) Applicant: Centralschweizerische Kraftwerke AG 6015 Luzern (CH)	(72) Inventor: SUKER, Andelko 6373 Ennetbürgen (CH) (74) Representative: Engelbrecht, Christoph  E. Blum & Co. AG Vorderberg 11 8044 Zürich 8044 Zürich (CH)