US 11,949,287 B2
Consolidated stator laminations
William E. Martin, Greenville, SC (US); Stephen T. Evon, Easley, SC (US); Jerry L. Martin, Gainesville, GA (US); Barron D. Grant, Gainesville, GA (US); and John M. Zedek, Simpsonville, SC (US)
Assigned to ABB Schweiz AG, Baden (CH)
Filed by ABB Schweiz AG, Baden (CH)
Filed on Jul. 29, 2021, as Appl. No. 17/388,811.
Prior Publication US 2023/0034953 A1, Feb. 2, 2023
Int. Cl. H02K 1/20 (2006.01); H02K 5/18 (2006.01); H02K 5/20 (2006.01); H02K 15/02 (2006.01); H02K 15/14 (2006.01)
CPC H02K 1/20 (2013.01) [H02K 5/18 (2013.01); H02K 5/203 (2021.01); H02K 5/207 (2021.01); H02K 15/028 (2013.01); H02K 15/14 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A stator for an electric motor, comprising:
a lamination including a plurality of layers, wherein each layer of the plurality of layers has an inner profile and an outer profile and comprises a sheet of material having a nominal thickness, wherein the inner profiles corresponding to the plurality of layers, when assembled into the lamination, form slots dispersed around a hole configured to accept a rotor, and the outer profiles corresponding to the plurality of layers, when assembled into the lamination, include a number of features on an exterior surface of the lamination that enable the electric motor to be configured in accordance with a plurality of enclosure types; and
coils of insulated conductors distributed in the slots,
wherein the number of features on the exterior surface of the lamination includes a retaining feature configured to accept a cover.