Stacked coil assembly for a stator
US6515394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2001 |
| Grant date | Feb 4, 2003 |
| Priority date | — |
| Expiry date | Jun 1, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K3/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a coil assembly comprising at least two end coil pieces having a U-shaped end and an open end, the open end comprising a first end and a second end, the second end having a terminal length greater than the first end, and at least one middle coil piece is provided stacked between the end coil pieces having a U-shaped end and an open end, the open end comprising third ends having a terminal length equal to the first end, and at least two intermediate coil pieces each being separately stacked between the end coil piece and the intermediate coil piece having a U-shaped end and an open end, the open end comprising fourth ends having a terminal length shorter than the first and third ends with the first and third ends being connected to an adjacent fourth end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.