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:
Sep. 11, 2012
Filed:
May. 14, 2010
Makoto Taniguchi, Oobu, JP;
Asuka Tanaka, Kariya, JP;
Makoto Taniguchi, Oobu, JP;
Asuka Tanaka, Kariya, JP;
Denso Corporation, Kariya, JP;
Abstract
An electric rotating machine is disclosed which includes a stator and a rotor. The stator includes a hollow cylindrical stator core and first and second three-phase stator coils. The stator core has a plurality of stator core teeth formed at a predetermined pitch in a circumferential direction of the stator core. Each of the first and second three-phase stator coils is comprised of three phase windings. Each of the phase windings of the first and second three-phase stator coils is wound around each of a predetermined number of the stator core teeth by a predetermined number of turns. The rotor has a plurality of magnetic poles the polarities of which alternate between north and south in the circumferential direction of the stator core. Further, the first and second three-phase stator coils are offset in the circumferential direction of the stator core to have a phase difference of π/6 therebetween.