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:
Feb. 28, 2023
Filed:
Feb. 08, 2021
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventors:
Yukinori Murakami, Toyota, JP;
Yoshitada Yamagishi, Okazaki, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/28 (2006.01); H02K 1/02 (2006.01);
U.S. Cl.
CPC ...
H02K 1/28 (2013.01); H02K 1/02 (2013.01);
Abstract
A rotor of a rotary electric machine for a vehicle includes a rotor shaft and a rotor core including a plurality of electromagnetic steel plates fitted to an outer peripheral surface of a rotor shaft in an interference fit state or a transition fit state. A strength of the electromagnetic steel plate disposed in at least one of end portions of the rotor core in an axial direction of the rotor shaft is set to be higher than a strength of the electromagnetic steel plate disposed in a central portion of the rotor core in the axial direction of the rotor shaft.