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(11)

EP 4 200 155 A1

(12)

(43) Date of publication: 28.06.2023 Bulletin 2023/26 (21) Application number: 21762130.9 (22) Date of filing: 20.08.2021

(51) International Patent Classification (IPC):  B60L 50/75(2019.01) B60L 58/40(2019.01) B60L 58/12(2019.01) (52) Cooperative Patent Classification (CPC): Y02T 10/70; Y02E 60/50; Y02E 60/10; B60L 58/40; B60L 50/75; B60L 58/12; Y02T 90/40 (86) International application number: PCT/IB2021/057664 (87) International publication number: WO 2022/038567 (24.02.2022 Gazette 2022/08)

(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: 20.08.2020 CN 202010841966 (71) Applicant: CRRC Datong Co., Ltd. Pingcheng District Datong Shaanxi 037038 (CN)	(72) Inventors: XIE, Qubo Datong City, Jiangxi 037038 (CN) TONG, Lei Datong City, Shanxi 037038 (CN) GUO, Yingchun Datong City, Shanxi 037038 (CN) (74) Representative: Cabinet Beau de Loménie  158, rue de l'Université 75340 Paris Cedex 07 75340 Paris Cedex 07 (FR)