The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 22, 2024

Filed:

Jun. 22, 2020
Applicant:

Nippon Steel Corporation, Tokyo, JP;

Inventors:

Ryu Hirayama, Tokyo, JP;

Kazutoshi Takeda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/18 (2006.01); H01F 3/02 (2006.01); H01F 27/245 (2006.01); H01F 27/26 (2006.01);
U.S. Cl.
CPC ...
H02K 1/185 (2013.01); H01F 3/02 (2013.01); H01F 27/245 (2013.01); H01F 27/263 (2013.01);
Abstract

What is disclosed is a core block, a plurality thereof constituting a laminated core by being connected in an annular shape, the core block including: a plurality of electrical steel sheet pieces stacked to each other; and an adhesion part which is provided between the electrical steel sheet pieces adjacent in a stacking direction and adheres the electrical steel sheet pieces to each other, in which an adhesion area ratio of the electrical steel sheet piece by the adhesion part is 1% or more and 60% or less.


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