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. 23, 2015
Filed:
Aug. 27, 2012
Yohei Arimatsu, Minamitsuru-gun, JP;
Kenji Kawai, Minamitsuru-gun, JP;
Yohei Arimatsu, Minamitsuru-gun, JP;
Kenji Kawai, Minamitsuru-gun, JP;
FANUC CORPORATION, Yamanashi, JP;
Abstract
A rotor () of a buried magnet-type electric motor, wherein the magnetic poles thereof are each constituted by two rows of magnets (M, M) of the same pole, wherein a core portion () between magnet slots of the same pole is arranged between the magnet slots () in which the two rows of magnets are arranged, and wherein, of the edges constituting said magnet slots, the portions connecting the edges () on the inner side in the radial direction to the outer edges of the core portion between the magnet slots of the same pole, have curved portions () that connect a curve of a small curvature to a curve of a large curvature starting from the edges on the inner side in the radial direction and heading toward the outer edges of the core portion between the magnet slots of the same pole.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile