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. 06, 2015
Filed:
Jun. 14, 2010
Katsuhide Kitagawa, Seto, JP;
Makoto Yoshida, Takahama, JP;
Masashi Matsumoto, Nagoya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
A cylindrical rotor corefor a rotating electrical machine having magnetic steel plates integrally connected by laminating in an axial direction, and having magnet insertion holesformed for inserting permanent magnets inside, wherein the magnet insertion holesare formed extending in the axial direction in a core inner section in the vicinity of an outer peripheral surfaceof the rotor core, and with openings formed in axial direction end sections of the rotor core, and a plurality of magnetic steel plates, including magnetic steel plates at outermost sides in the axial direction in which the openings are formed, are fixed by welding at inner wall surfacesof the magnet insertion holes