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.
Patent No.:
Date of Patent:
Aug. 27, 2024
Filed:
Dec. 17, 2019
Nippon Steel Corporation, Tokyo, JP;
Kazutoshi Takeda, Tokyo, JP;
Ryu Hirayama, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
In an adhesively-laminated core for a stator, a chemical component of each of electrical steel sheets includes 2.5% to 3.9% by mass of Si, an average tensile modulus of elasticity of each of adhesion parts is 2500 MPa to 5000 MPa, and when an average sheet thickness of the each of electrical steel sheets is t1 in units of mm, an average thickness of the each of adhesion parts is t2 in units of μm, and an average value of yield strengths of the each of electrical steel sheets is YP in units of MPa, a condition A of satisfying the following expressions 1, 2, and 3 or a condition B of satisfying the following expressions 3, 4, and 5 or combination thereof is satisfied.50×t1−12≤t2≤50×t1−6 (expression 1)0.15≤t1≤0.27 (expression 2)0.5≤t2≤2.5 (expression 3)0.025×YP−12≤t2≤0.025×YP−8 (expression 4)380≤YP≤540 (expression 5)