Patent ID: 11909270
Assignee: ATIEVA, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An electric motor comprising:
a stator;
a rotor assembly comprising:
a hollow rotor shaft;
a differential gear assembly contained in the hollow rotor shaft;
a lamination stack mounted on the hollow rotor shaft;
a plurality of lamination cavities within the lamination stack, the lamination stack defining a plurality of tabs that extend into the plurality of lamination cavities; and
a plurality of permanent magnets contained within the plurality of lamination cavities, wherein the plurality of tabs abut the plurality of permanent magnets; and

a first planetary assembly positioned at a first end of the rotor assembly, and a second planetary assembly positioned at a second end of the rotor assembly, wherein the first and second planetary assemblies and the differential gear assembly are coaxially aligned.