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US 2022/0069640 A1Published application
Laminated core and electric motor
AssigneeNippon Steel Corporation
InventorsYasuo OHSUGI, Ryu HIRAYAMA, Kazutoshi TAKEDA
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Abstract
A laminated core includes a plurality of electrical steel sheets stacked in a thickness direction, the electrical steel sheet includes an annular core back part and a plurality of tooth parts that protrude from the core back part in a radial direction and are disposed at intervals in a circumferential direction of the core back part, a fastening part is provided in a portion of the core back part corresponding to the tooth part, and an adhesion part is provided in the tooth part.
Claims12
A laminated core comprising a plurality of electrical steel sheets stacked in a thickness direction,
- wherein the electrical steel sheet includes an annular core back part and a plurality of tooth parts that protrude from the core back part in a radial direction and are disposed at intervals in a circumferential direction of the core back part,
- wherein a fastening part is provided in a portion of the core back part corresponding to the tooth parts,
- wherein an adhesion part is provided in the tooth part, and
- wherein the tooth parts have first tooth part in which the adhesion part is provided and second tooth part in which the adhesion part is not provided.
1 more element
(canceled)
Dependencies are inferred from the claim text.