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:
Aug. 30, 2022
Filed:
Jan. 24, 2020
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Suguru Gangi, Toyota, JP;
Shinya Sano, Toyota, JP;
Yasuhide Yagyu, Nagakute, JP;
Takanori Kadota, Toyota, JP;
Keiji Kondo, Nagoya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A rotor has a plurality of magnetic poles aligned in a circumferential direction, each magnetic pole includes a first magnet equipment portion and a second magnet equipment portion positioned more toward an inner circumferential side than the first magnet equipment portion, the second magnet equipment portion has a pair of inner magnet holes placed symmetrically with respect to a center of the magnetic pole, and one or more inner magnets equipped in each of the inner magnet holes, each inner magnet hole has a bent line shape with one or more points of bending in an axial direction view, and an end, on a center side in a circumferential side of the magnetic pole, of the inner magnet hole is expanded on both sides in a thickness direction thereof, and functions as a magnetic barrier having a larger thickness than the inner magnet.