Rotary electric machine and stator for rotary electric machines
US7622842B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2007 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Apr 27, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K15/35
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a rotary electric machine, output ends of first and second three-phase windings of first and second sets included in a first group are separated from those of third and fourth three-phase windings of third and fourth sets included in a second group. Each of the first to fourth three-phase windings is inserted in the slots while being turned at one of the first and second opposing end surface sides of a stator core. Turn portions of each of the first to fourth three-phase windings at the one of the first and second opposing end surface sides of the stator core have a substantially U shape, and are so disposed as to be nonoverlapped with each other in an axial direction of the stator core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.