Stator of AC generator for use in vehicle and method of manufacturing the same
US6281612A · kind A · utility
42Cited by
10References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1999 |
| Grant date | Aug 28, 2001 |
| Priority date | — |
| Expiry date | May 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49073
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A stator coil has tooth portions and slot portions defied between adjacent tooth portions. Each tooth portion has a rectangular cross-section perpendicular to the axis of the stator core. A group of conductor wires received in each slot portion includes conductor wires of a circular cross-sections and conductor wires having polymorphic cross-sections. The ratio (space factor) of the overall cross-sectional area of the conductor wires accommodated by the slot portion relative to the cross-sectional area of the slot portion is not less than 80%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.