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:
Jan. 13, 2026
Filed:
Oct. 19, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A rotor for an electric motor may include a shaft extending along a rotation axis of the electric motor and a rotor core comprising a plurality of core blocks fixed to the shaft and arranged along the rotation axis. The plurality of core blocks may include a first core block and a second core block that are oriented differently from each other in a circumferential direction about the rotation axis. Each of the plurality of core blocks may include an outer surface extending along the circumferential direction, a center hole through which the shaft passes, and an outer groove defined in the outer surface. An inner surface of the center hole may be in continuous contact in the circumferential direction with an outer surface of the shaft over an entire circumference thereof.