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. 23, 2007
Filed:
Mar. 03, 2004
Kazuyuki Yamamoto, Tokyo, JP;
Kei Yonemori, Tokyo, JP;
Kazuyuki Yamamoto, Tokyo, JP;
Kei Yonemori, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Chiyoda-Ku, Tokyo, JP;
Abstract
A rotating electric machine armature core () is configured by combining such a number of magnetic tooth sections () that corresponds to the number of magnetic poles, each of the magnetic tooth sections () including a plurality of first sheet members () each of which includes a magnetic tooth portion () formed at one end and a root portion () formed at the other end with an end face of the root portion () having a prescribed external shape, and at least one second sheet member () inserted between the individual first sheet members () in a laminating direction thereof at a location different from the locations of the other sheet members, the second sheet member () including the magnetic tooth portion () formed at one end and an overlapping portion () formed at the other end, the overlapping portion () forming a back yoke portion () together with the root portion () with a through hole () formed at a specified position in the overlapping portion (), the overlapping portion () jutting out from the root portion () in such a manner that the overlapping portion () can fit on the end face of the root portion () of the first sheet member (), wherein the magnetic tooth sections () are combined in a radial form with the through holes () in the individual overlapping portions () aligned at the same location.