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. 16, 2012

Filed:

Dec. 13, 2010
Applicant:

Akihiro Hashimoto, Kitakyushu, JP;

Inventor:

Akihiro Hashimoto, Kitakyushu, JP;

Assignee:

Mitsui High-Tec, Inc., Kitakyushu-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for manufacturing a laminated core includes (1) blanking a rotor core sheetand a stator core sheetfrom a thin strip materialand (2) laminating the stator core sheetinside a die. The stator core sheetincludes a ring-shaped yoke pieceand plural magnetic pole piecesintegrally connecting to a radially inside of the yoke piece. Each of the magnetic pole piecesincludes a magnetic pole shaft pieceand a magnetic pole tooth piece. The magnetic pole piecesare formed by blanking preparatory slots; coining a part or a whole of the magnetic pole shaft piecesto elongate the same in a radially inward direction; and thereafter, blanking the finishing slotsand shaping the magnetic pole tooth pieces


Find Patent Forward Citations

Hashimoto, Akihiro. (2012). Method for manufacturing laminated core (U.S. Patent No. 8286331). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8286331

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…