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:
Apr. 20, 2021
Filed:
Sep. 22, 2017
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Takeshi Honda, Kyoto, JP;
Hiroshi Kitagaki, Kyoto, JP;
Assignee:
NIDEC CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/00 (2006.01); H02K 15/02 (2006.01); H02K 1/18 (2006.01); H02K 1/14 (2006.01);
U.S. Cl.
CPC ...
H02K 15/022 (2013.01); H02K 1/18 (2013.01); H02K 15/02 (2013.01); H02K 1/148 (2013.01); H02K 2201/09 (2013.01); Y10T 29/49009 (2015.01); Y10T 29/49069 (2015.01);
Abstract
A laminated core manufacturing method includes punching a center hole in a processing region, molding split stator piece portions adjacently in a circumferential direction, and pushing back and molding the split stator piece portions. In the molding the split stator piece portions, the split stator piece portion is extruded in parallel with the workpiece.