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:
Jun. 01, 2021
Filed:
Feb. 05, 2019
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Yukio Nishikawa, Osaka, JP;
Naoki Nojiri, Osaka, JP;
Assignee:
PANASONIC CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/02 (2006.01); H02K 15/02 (2006.01); H02K 1/18 (2006.01); H02K 1/14 (2006.01); H01F 1/153 (2006.01); H01F 3/04 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H02K 1/02 (2013.01); H01F 1/15333 (2013.01); H01F 3/04 (2013.01); H01F 41/0226 (2013.01); H02K 1/146 (2013.01); H02K 1/185 (2013.01); H02K 15/02 (2013.01);
Abstract
An iron core including a laminate in which a plurality of nanocrystal thin strips are laminated, a board, and a fastener that fastens the laminate and the board, in which at least one of upper and lower surfaces of the laminate has a colored oxide film and an uncolored oxide film is used. Moreover, the iron core has a region of the colored oxide film wider than a region of the uncolored oxide film region is used. Furthermore, a motor uses the above-described iron core as a stator.