US 11,722,019 B2
Stator assembly with heat recovery for electric machines
Ruisheng Shi, Montreal (CA); Martin Houle, Laval (CA); and Mohammad Adib Ghadamyari, Boucherville (CA)
Assigned to DANA TM4, INC., Boucherville (CA)
Appl. No. 16/490,253
Filed by DANA TM4 INC., Boucherville (CA)
PCT Filed Feb. 27, 2018, PCT No. PCT/CA2018/050228
§ 371(c)(1), (2) Date Aug. 30, 2019,
PCT Pub. No. WO2018/157242, PCT Pub. Date Sep. 7, 2018.
Claims priority of provisional application 62/466,093, filed on Mar. 2, 2017.
Prior Publication US 2020/0076251 A1, Mar. 5, 2020
Int. Cl. H02K 1/14 (2006.01); H02K 15/06 (2006.01); H02K 9/00 (2006.01); H02K 1/18 (2006.01); H02K 9/22 (2006.01)
CPC H02K 1/146 (2013.01) [H02K 1/185 (2013.01); H02K 9/00 (2013.01); H02K 15/06 (2013.01); H02K 9/227 (2021.01)] 6 Claims
OG exemplary drawing
 
1. A stator for an electric machine comprising a plurality of stacked laminations each including inwardly facing slots defining inwardly facing teeth configured to receive prewound coils thereonto; each slot including a generally triangular projection configured and sized as to be in proximity of the prewound coils, wherein the triangular projection is a lesser height than a height of the teeth; and at least one wedge used to close each slot, wherein the wedge extends between two adjacent teeth of the inwardly facing teeth and over a top of the generally triangular projection between the two adjacent teeth, wherein there is a resin between the wedge and an insulating paper, and wherein the insulating paper surrounds the prewound coils.