Patent ID: 11958347
Assignee: FLET GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 8:
9. An electric vehicle with an electric motor wherein the electric motor comprises
a first electric motor module comprising
a first rotor which has a first rotor shaft, and
a rotational bearing by which the first rotor shaft is mounted, and
wherein the first rotor shaft has a first shaft coupling structure, and

at least a second electric motor module, comprising a second rotor which has a second rotor shaft, wherein the second rotor shaft has a second shaft coupling structure,
wherein the first rotor shaft and the second rotor shaft are positively coupled with one another via the first and second shaft coupling structures,
wherein the first and second shaft coupling structures are at least partially surrounded by the rotational bearing,
wherein the first rotor shaft and the second rotor shaft have a cooling duct, and
wherein the cooling duct extends through the first rotor and the second rotor.