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:
Dec. 26, 2017
Filed:
Mar. 27, 2014
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Syou Fukumoto, Tokyo, JP;
Koji Ooishi, Tokyo, JP;
Makoto Matsushita, Fuchu, JP;
Daisuke Misu, Tama, JP;
Katsutoku Takeuchi, Kawasaki, JP;
Yutaka Hashiba, Yokosuka, JP;
Norio Takahashi, Yokohama, JP;
Kazuaki Yuuki, Tokorozawa, JP;
Toshio Hasebe, Hachioji, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
A synchronous reluctance motor includes: a rotor shaft; a rotor core fixed to the rotor shaft and on which a plurality of flux barriers are formed; a stator core on which a plurality of protruding stator teeth are formed; and multiphase armature windings of a plurality of poles wound around the plurality of stator teeth. The flux barriers include a plurality of first flux barriers formed to be spaced out in the circumferential direction from each other and extend in a radial direction, and a plurality of second flux barriers formed in each of circumferential angular regions sandwiched between the first flux barriers to form a curved surface convex toward the center of the rotation-axis and to spread and be spaced out in the circumferential direction from each other.