US 11,990,813 B2
Stator for an electrical machine and electrical machine
Florian Braunbeck, Leinfelden-Echterdingen (DE); and Tobias Schmack, Stuttgart (DE)
Assigned to Dr. Ing. h. c. F. Porsche AG, Stuttgart (DE)
Filed by Dr. Ing. h.c. F. Porsche Aktiengesellschaft, Stuttgart (DE)
Filed on Jun. 1, 2022, as Appl. No. 17/829,559.
Claims priority of application No. 10 2021 115 932.6 (DE), filed on Jun. 21, 2021.
Prior Publication US 2022/0407379 A1, Dec. 22, 2022
Int. Cl. H02K 3/34 (2006.01); H02K 3/30 (2006.01); B60K 1/00 (2006.01)
CPC H02K 3/345 (2013.01) [H02K 3/30 (2013.01); B60K 1/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A stator (14) for an electrical machine, comprising:
a stator core (16) having stator grooves (19);
stator windings (17) received in the stator grooves (19) of the stator core (16); and
groove insulators (20) received in the stator grooves (19) of the stator core (16) such that the groove insulators (20) are arranged between the stator core (16) and the stator windings (17), wherein the groove insulators (20) are formed from at least first and second different plastics, the first plastic providing an electrical isolation function between the stator core (16) and the stator windings (17) in the respective stator groove (19), and the second plastic is a rubber-elastic or spring-elastic that is disposed between the first plastic and the stator windings and that provides a holding and spring tension force against the stator windings (17) in the respective stator grooves (19).