Method of manufacturing a transformer coil having cooling ducts
US7647692B2 · kind B2 · utility
16Cited by
29References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2006 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Feb 18, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49224
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of manufacturing a dry-type, resin-encapsulated transformer coil that includes forming a plurality of conductive layers and positioning a plurality of pre-formed plastic cooling ducts so as to be disposed between the conductive layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.