Drive unit for a vehicle, and vehicle

1 . A drive unit for a vehicle, comprising:

a first electric machine-comprising a first rotor mounted to rotate about a rotation axis, the rotation axis defining an axial direction, wherein the first rotor extends in the axial direction around the rotation axis, and the first electric machine further comprises a first stator arranged coaxially with the first rotor, wherein the first stator a stator core lamination packet on which first stator coils are arranged, wherein the first stator coils have a first coil end and a second coil end which form a first end face and a second end face, respectively, and wherein the first coil end forms a first switching side for connecting a current and the second coil end forms a first counter-switching side;

a second electric machine mounted axially close to the first electric machine, wherein the second electric machine comprises a second rotor mounted to rotate, the second rotor extends in the axial direction around the rotation axis and comprises a second stator arranged coaxially therewith, the second stator comprising a second stator core lamination packet on which second stator coils are arranged, wherein the second stator coils have a third coil end and a fourth coil end which from a third end face and a fourth end face, respectively, wherein the fourth coil end forms a second switching side for connecting a current and the third coil end forms a second counter-switching side, wherein the second coil end has a projection that extends from the second end face axially away from the first stator, and the third coil end has a projection that extends from the third end face axially away from the second stator, wherein the projection of the second coil end is rotationally offset from the projection of the third coil end; and

a housing configured to accommodate the first electric machine and the second electric machine, wherein the first electric machine and the second electric machine are arranged within the housing such that the first counter-switching side and the second counter-switching side face toward one another in the axial direction.

2 . The drive unit according to claim 1 , wherein the first stator and the second stator are arranged relative to one another such that the second end face is separated from the third end face by an air insulation gap.

3 . The drive unit according to claim 1 , comprising:

a partition wall having at least one perforation extends in the radial direction at least between the second coil end of the first stator coils and the third coil end of the second stator coils.

4 . The drive unit according to claim 3 , wherein the partition wall is connected to the housing or made integrally with the housing.

5 . The drive unit according to claim 1 , wherein a first coil connection area is provided at the first coil end on the first switching side for interconnecting the first stator coils by a first interconnecting device.

6 . The drive unit according to claim 5 , wherein the projection of the second coil end extends toward the third coil end such that the projection of the second coil end is closer to the third coil end than the second end face.

7 . The drive unit according to claim 6 , wherein the projection of the second coil end is arranged opposite to the first coil connection area.

8 . A drive unit for a vehicle, comprising:

a first electric machine comprising a first rotor mounted to rotate about a rotation axis, the rotation axis defining an axial direction, wherein the first rotor extends in the axial direction around the rotation axis, and the first electric machine further comprises a first stator arranged coaxially with the first rotor, wherein the first stator comprises a stator core lamination packet onto which first stator coils are arranged, wherein ends of the first stator coils form a first an end-face coil end and a second end-face coil end, and wherein the first end-face coil ends form a switching side for connecting a current and the second coil ends form a first counter-switching side;

a second electric machine mounted axially close to the first electric machine, wherein the second electric machine comprises a second rotor mounted to rotate, the rotor extending in the axial direction around the rotation axis, and in addition comprises a second stator arranged coaxially therewith, the second stator comprising a second stator core lamination packet on which second stator coils are arranged, wherein ends of the second stator coils form a third end-face coil end and a fourth end-face coil end, wherein the fourth coil end forms a second switching side for connecting a current and the third coil end forms a second counter-switching side; and

a housing configured to accommodate the first electric machine and the second electric machine, wherein the first electric machine is arranged with the first counter-switching side and the second electric machine is arranged with the second counter-switching side in the housing in such manner that the first counter-switching side and the second counter-switching side face toward one another in the axial direction;

wherein a first coil connection area is provided at the first coil ends on the first switching side for interconnecting the first stator coils by means of a first interconnecting device;

the second coil end of the first counter-switching side has an axial projection facing away from the first stator; and

wherein a partition wall extends in a radial direction between the second coil end and the third coil end and the partition wall has a perforation in an area of a first axial projection that extends from the second coil end away from the first stator.

9 . The drive unit according to claim 1 , wherein at the fourth coil ends of the second switching side, a second coil connection area is provided for interconnecting the second stator coils by means of a second interconnecting device.

10 . The drive unit according to claim 1 , wherein the projection of the third coil end extends toward the second coil end such that the projection of the third coil end is closer to the second coil end than the third coil end face.

11 . The drive unit according to claim 9 , wherein the projection of the third coil end is arranged opposite to the second coil connection area.

12 . A drive unit for a vehicle, comprising:

a first electric machine comprising a first rotor mounted to rotate about a rotation axis, the rotation axis defining an axial direction, wherein the first rotor extends in the axial direction around the rotation axis, and the first electric machine further comprises a first stator arranged coaxially with the first rotor, wherein the first stator comprises a stator core lamination packet onto which first stator coils are arranged, wherein ends of the first stator coils form a first an end-face coil end and a second end-face coil end, and wherein the first end-face coil ends form a switching side for connecting a current and the second coil ends form a first counter-switching side;

a second electric machine mounted axially close to the first electric machine, wherein the second electric machine comprises a second rotor mounted to rotate, the rotor extending in the axial direction around the rotation axis, and in addition comprises a second stator arranged coaxially therewith, the second stator comprising a second stator core lamination packet on which second stator coils are arranged, wherein ends of the second stator coils form a third end-face coil end and a fourth end-face coil end, wherein the fourth coil end forms a second switching side for connecting a current and the third coil end forms a second counter-switching side; and

a housing configured to accommodate the first electric machine and the second electric machine, wherein the first electric machine is arranged with the first counter-switching side and the second electric machine is arranged with the second counter-switching side in the housing in such manner that the first counter-switching side and the second counter-switching side face toward one another in the axial direction;

wherein the third coil end of the second counter-switching side has a second axial projection facing away from the second stator;

the second axial projection is arranged opposite to the second coil connection area; and

wherein a partition wall extends in a radial direction between the second coil end and the third coil end and the partition wall has a perforation in an area of second axial projection that extends from the third coil end away from the second stator.

13 . The drive unit according to claim 1 , wherein a partition wall is connected to the housing and extends radially between the first and the second stators, the first stator is rotated relative to the second stator such that the projection of the second coil end and the projection of the third coil end extend toward respective perforations in the partition wall that are radially opposite one another.

14 . A vehicle with a drive unit according to claim 1 , wherein the first electric machine and the second electric machine are installed transversely to a travel direction of the vehicle and the vehicle is an electric vehicle or a hybrid vehicle.