Patent ID: 9718419
Date: 2017-08-01
CPC Classifications: B60R,F02N

Claim:
1. A motor vehicle having a jump-starting device, wherein the motor vehicle has an internal combustion engine with a starter motor, the vehicle is equipped with at least two on-board electrical power subsystems which are continuously coupled to each other via an electric coupling element, and is equipped with at least one rechargeable electric energy storage device per on-board electrical power subsystem, and the jump-starting device is in parallel with the electric coupling element, wherein: the jump-starting device has a multi-stage jump-start switch, the on-board electrical power subsystems and a jump-starting support terminal of the jump-starting device are galvanically isolated when a first switching stage of the jump-start switch is selected, and the on-board electrical power subsystems and the jump-starting support terminal are galvanically connected when a second switching stage of the jump-start switch is selected.