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:
Oct. 13, 2020
Filed:
Feb. 27, 2018
Fuji Electric Co., Ltd., Kawasaki, JP;
Toshikazu Kubo, Hino, JP;
Satoshi Imamori, Hino, JP;
FUJI ELECTRIC CO., LTD., Kawasaki, JP;
Abstract
A rotor core () in a permanent magnet type rotating electric machine () is formed by laminating a plurality of plate materials (A), (B), (C), and (D) and includes one or a plurality of center bridges () formed between adjacent magnet slots () to couple an outer peripheral edge () and a core portion () together in one magnetic pole. Non-magnetic portions () are formed at a part or all of the one or the plurality of respective center bridges (). Insulation films () are disposed on surfaces of parts other than regions where the non-magnetic portions () are formed on the plurality of respective plate materials (A), (B), (C), and (D) forming the rotor core ().