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. 05, 2016
Filed:
Feb. 02, 2012
Shinya Sano, Toyota, JP;
Ken Takeda, Anjo, JP;
Tomohiro Inagaki, Nishio, JP;
Shinichi Otake, Aichi-ken, JP;
Tsuyoshi Miyaji, Toyohashi, JP;
Yuta Watanabe, Nishio, JP;
Ryosuke Utaka, Takahama, JP;
Shinya Sano, Toyota, JP;
Ken Takeda, Anjo, JP;
Tomohiro Inagaki, Nishio, JP;
Shinichi Otake, Aichi-ken, JP;
Tsuyoshi Miyaji, Toyohashi, JP;
Yuta Watanabe, Nishio, JP;
Ryosuke Utaka, Takahama, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
AISIN AW CO., LTD., Aichi-ken, JP;
DENSO CORPORATION, Aichi, JP;
Abstract
A rotor () for a rotary electric machine has a plurality of magnetic poles () provided at intervals, in a circumferential direction, at the outer periphery of a rotor core (). Each of the magnetic poles () has a first permanent magnet () buried in the center of the magnetic pole, and a pair of second permanent magnets () that are buried on both sides of the first permanent magnet () in the circumferential direction, and that are disposed such that a mutual spacing between the pair of the second permanent magnets () becomes narrower inward in the radial direction. A narrowest spacing between the pair of second permanent magnets () is set to be wider than a longitudinal-direction width of the first permanent magnet () in a magnetic path region () that is defined by the first permanent magnet () and the pair of second permanent magnets ().