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US 2022/0020530 A1Published application
Laminated core and electric motor
AssigneeNippon Steel Corporation
InventorsRyu HIRAYAMA, Kazutoshi TAKEDA
Life of this patent
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Abstract
A laminated core includes a plurality of electrical steel sheets stacked on each other and coated with an insulation coating on both surfaces thereof, and an adhesion part provided between the electrical steel sheets adjacent to each other in a stacking direction and configured to adhere the electrical steel sheets to each other, wherein an adhesion area ratio of the electrical steel sheet by the adhesion part is 1% or more and 40% or less.
Claims15
A laminated core comprising:
- a plurality of electrical steel sheets stacked on each other and coated with an insulation coating on both surfaces thereof;
- and
- an adhesion part provided between the electrical steel sheets adjacent to each other in a stacking direction and configured to adhere the electrical steel sheets to each other,
- wherein an adhesion area ratio of the electrical steel sheet by the adhesion part is 1% or more and 40% or less.
1 more element
Dependencies are inferred from the claim text.