US 12,341,382 B2
Hybrid interlock and adhesive rotor cores
Shailesh Shrikant Kozarekar, Novi, MI (US); Dexiang Dallis Sun, Troy, MI (US); Joel Hetrick, Ann Arbor, MI (US); and Devan James Anderson, Taylor, MI (US)
Assigned to FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Sep. 16, 2022, as Appl. No. 17/946,141.
Prior Publication US 2024/0097514 A1, Mar. 21, 2024
Int. Cl. H02K 1/28 (2006.01); H02K 1/276 (2022.01); H02K 15/03 (2006.01); B60L 50/60 (2019.01)
CPC H02K 1/28 (2013.01) [H02K 1/276 (2013.01); H02K 15/03 (2013.01); B60L 50/60 (2019.02)] 11 Claims
OG exemplary drawing
 
1. An electric machine comprising:
a plurality of laminations stacked to form a rotor, each of the laminations including a plurality of interlocks disposed about a central region of the lamination and configured to engage a same adjacent one of the laminations; and
a plurality of adhesive layers of epoxy interleaved with the laminations such that each one of the layers is in direct contact with and between an adjacent pair of the laminations and radially outside of the central region.