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(11)

EP 4 351 899 A1

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(43) Date of publication: 17.04.2024 Bulletin 2024/16 (21) Application number: 22799466.2 (22) Date of filing: 04.05.2022

(51) International Patent Classification (IPC):  B60D 1/64(2006.01) B60L 9/00(2019.01) B60L 53/00(2019.01) B60L 53/80(2019.01) B62D 59/04(2006.01) B60L 9/02(2006.01) B60L 53/66(2019.01) B62D 63/02(2006.01) (52) Cooperative Patent Classification (CPC): B60L 53/66; B60L 53/80; B62D 31/003; B62D 53/045; B62D 63/025; B62D 59/02; B60L 50/64; B60L 2260/32 (86) International application number: PCT/US2022/027581 (87) International publication number: WO 2022/235731 (10.11.2022 Gazette 2022/45)

(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 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: 07.05.2021 US 202163185362 P (71) Applicant: Li, Yang Wilmington, DE 19804 (US)	(72) Inventor: Li, Yang Wilmington, DE 19804 (US) (74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB  Friedenheimer Brücke 21 80639 München 80639 München (DE)