Patent ID: 11967872
Assignee: FORD GLOBAL TECHNOLOGIES, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. An electric machine stator, comprising:
a stator core including a plurality of annular stator laminations arranged in a stack, each stator lamination including a plurality of stator teeth with adjacent teeth defining associated tooth slots extending from a back iron portion toward an inner periphery, each stator tooth including a winding area configured to receive stator windings and an opening area narrowed to the inner periphery and including a first side and a second side,
wherein the first side and the second side each have an inner and outer tooth top, the inner and outer tooth top of the first side and the inner and outer tooth top of the second side are respectively symmetrical with respect to a center line of the opening area, at least one of the first and second sides has an arc-shaped section and the first side and the second side are asymmetric with respect to the center line.