Patent ID: 11912242
Assignee: VOLVO CAR CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 13:
14. An electric motor vehicle comprising:
at least one traction battery; and
a rack system comprising:
a rack unit mountable to a rear side of the main motor vehicle, wherein the rack unit is configured to carry at least one electric auxiliary vehicle comprising at least one battery unit to power the electric auxiliary vehicle;
an electric charging unit configured to electrically charge the at least one battery unit of the at least one electric auxiliary vehicle with more than 12 Volts, wherein the electric charging unit is arranged at the rack unit, and wherein the electric charging unit is connected to the at least one traction battery of the electric motor vehicle, and wherein the electric charging unit is configured to electrically charge the at least one battery of the at least one electric auxiliary vehicle independent of an access to or operation of the masa electric motor vehicle; and
a communication means configured to provide a communication between the rack system and a mobile computer device in order to perform an approval process for electrical charging by the electric charging unit before an electric auxiliary vehicle can be electrically charged by the electric charging unit; and
wherein the electric motor vehicle automatically obtains authorization to access a restricted area in response to providing free electrically charging to the at least one battery unit of the at least one electric auxiliary vehicle not associated with an owner of the electric motor vehicle while the electric motor vehicle is parked in the restricted area.