Transformer
US8988179B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2012 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Sep 21, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2027/2819
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A transformer includes a core inducing a magnetic field and including an upper core and a lower core; a first insulating part in an inner side of the core; a secondary winding part in an upper portion of the insulating part, a part of the secondary winding part being exposed out of the core; a second insulating part in an upper portion of the secondary winding part to insulate the second winding part; a primary winding part in an upper portion of the second insulating part; and a film between the upper core and the lower core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.