US 12,316,182 B2
Electrical machine tooth assemblies and methods
Cesar Muñiz Casais, Barcelona (ES); and David Alcalde López, Barcelona (ES)
Assigned to General Electric Renovables Espana, S.L., Barcelona (ES)
Filed by General Electric Renovables Espana, S.L., Barcelona (ES)
Filed on Oct. 18, 2022, as Appl. No. 17/968,268.
Claims priority of application No. 21382957 (EP), filed on Oct. 22, 2021.
Prior Publication US 2023/0131690 A1, Apr. 27, 2023
Int. Cl. H02K 3/487 (2006.01); H02K 7/18 (2006.01); H02K 15/13 (2025.01); F03D 9/25 (2016.01)
CPC H02K 3/487 (2013.01) [H02K 7/1838 (2013.01); H02K 15/13 (2025.01); F03D 9/25 (2016.05)] 20 Claims
OG exemplary drawing
 
1. A tooth assembly for an electrical machine comprising:
tooth body extending along a longitudinal direction from a first end wall to a second end wall and defining first and second lateral walls substantially parallel to the longitudinal direction;
a groove defined in the first and second lateral walls, the groove extending substantially parallel to the longitudinal direction;
a winding arranged around the tooth body;
a winding stopper attached to the first lateral wall, the winding stopper comprising a first portion shaped and dimensioned to be received in the groove, and a second portion extending from the first portion and protruding from the first lateral wall; and
wherein the winding stopper is supported solely by the tooth body at the first lateral wall and only contacts the tooth body at the first lateral wall without contacting the second lateral wall.