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:
Oct. 24, 2017
Filed:
Jan. 24, 2013
Atsushi Matsuoka, Tokyo, JP;
Kazuhiko Baba, Tokyo, JP;
Hiroki Aso, Tokyo, JP;
Yuto Urabe, Tokyo, JP;
Atsushi Matsuoka, Tokyo, JP;
Kazuhiko Baba, Tokyo, JP;
Hiroki Aso, Tokyo, JP;
Yuto Urabe, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A synchronous motor is configured such that a rotor, in which permanent magnets having poles are provided at an equiangular interval in a circumferential direction, with magnetic poles with different polarities being alternately provided, is provided to face a stator, in which nine teeth are formed at an equiangular interval in a circumferential direction, and the tip width of the central tooth of each phase among the teeth of each phase grouped into three phases with each phase including three adjacent teeth is larger than 32° and smaller than 40°.