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:
Jun. 28, 2011
Filed:
Jan. 29, 2008
Ryoji Mizutani, Nishikamo-gun, JP;
Kazutaka Tatematsu, Nagoya, JP;
Eiji Yamada, Owariasahi, JP;
Nobuyuki Matsui, Nagoya, JP;
Takashi Kosaka, Nagoya, JP;
Ryoji Mizutani, Nishikamo-gun, JP;
Kazutaka Tatematsu, Nagoya, JP;
Eiji Yamada, Owariasahi, JP;
Nobuyuki Matsui, Nagoya, JP;
Takashi Kosaka, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
National University Corporation Nagoya Institute of Technology, Aichi-ken, JP;
Abstract
A rotating electric motor includes a stator core, a rotational shaft capable of rotation, a field yoke allowing a flow of magnetic flux in an axial direction, first and second rotor cores fixedly installed on the rotational shaft, a first magnet fixedly installed between the first rotor core and the second rotor core, a first rotor teeth formed at the first rotor core, a second magnet provided alongside of the first rotor teeth in the circumferential direction of the first rotor core, a second rotor teeth formed at the outer surface of the second rotor core, protruding outwardly in the radial direction, a third magnet provided alongside of the second rotor core in the axial direction, and windings that can control the density of magnetic flux between at least one of the first rotor core and second rotor core and the stator core.