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:
Apr. 07, 2020
Filed:
Nov. 25, 2015
Nidec Corporation, Kyoto, JP;
Hidehiro Haga, Kyoto, JP;
Yu Asahi, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A motor comprising: a stator including a plurality of coils, and a rotary axis penetrating the stator, the stator includes n (n≥2) sets of three-phase circuits, each of which is provided with three phases, each phase of the three-phase circuit has a coil group in which m (m≥2) coils are formed with a single conductive wire, and all coil groups of three-phase circuits have the same winding direction, the three-phase circuits include neutral point bus bars connecting each coil terminal on one side of each of the coil group at a neutral point, and three phase bus bars connecting each coil terminal on one side of each of the coil group, the three phase bus bars are arranged in a circumferential direction and form a phase bus bar group, and the phase bus bar group and the neutral point bus bars are alternately arranged in the circumferential direction.