Transformer structure
US7714689B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 8, 2008 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Dec 8, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F38/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A transformer structure includes an iron core set, a main bobbin, and two sub-bobbins. The main bobbin includes a primary winding area for winding a first coil, a main bobbin through hole longitudinally mounted in and penetrating through the main bobbin, and two assembling troughs respectively formed at two ends of the main bobbin through hole. The two sub-bobbins are respectively accommodated in the two assembling troughs and respectively include a secondary winding area for winding a second coil and a sub-bobbin through hole communicated with the main bobbin through hole for penetrating the iron core set. Therefore, the sub-bobbins are mounted in two extended assembling troughs of the main bobbin, the first coil is wound on the primary winding area at the outer side of the main bobbin, and the first coil is separated from the second coils not only by horizontal distance but also by the assembling troughs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.