Corona-resistant enameled round wire and preparation method therefor
US11837384B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 11, 2022 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Aug 11, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B13/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A corona-resistant enameled round wire and preparation method of making such which is suitable for electric vehicle motors and has a copper conductor and an insulating layer. The insulating layer clads the copper conductor and has in sequence from inside to outside, a corona- resistant polyamideimide coating, a corona-resistant special resin coating, a corona-resistant polyimide coating, a corona-resistant modified silicone resin coating, and a corona-resistant polyamideimide coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.