Rotating electric machine and rotating electric machine manufacturing method
US10819175B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2016 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Sep 6, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K15/066
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A unit coil includes: first, second, third, and fourth turn portions extending in a bent manner from first, second, third, and fourth slot accommodation portions and each connecting the slot accommodation portions to each other; and first, second, third, and fourth leg portions. Recesses are formed in surfaces opposed to each other at bent parts of the turn portions or bent parts of the turn portion and the leg portion, that extend in a bent manner toward the same side in the circumferential direction from the slot accommodation portions adjacent to each other in the radial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.