Patent ID: 11964592
Assignee: KIA CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An electric-axle apparatus for a vehicle, the electric-axle apparatus comprising:
a differential casing connected to an axle shaft;
a motor selectively transmitting torque to the differential casing;
a reducer disposed between the motor and the differential casing and engaged to the differential casing;
a first clutch device mounted between the motor and the reducer and configured to selectively engage the motor to the reducer;
a disc rotatably engaged directly to the differential casing to rotate with the differential casing;
a second clutch device disposed between the disc and the differential casing and configured to selectively engage the disc to the differential casing;
an electromagnetic brake configured for braking the disc, wherein the electromagnetic brake selectively brakes the disc with the second clutch device engaged to the disc; and
a battery electrically connected to the motor to be charged by the motor or discharged to the motor, and electrically connected to the electromagnetic brake to be discharged to the electromagnetic brake.