Step-up transformer
US5359313A · kind A · utility
65Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1992 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Dec 1, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2005/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A small and thin step-up transformer suitable for use in an inverter or the like includes: a bobbin formed of an insulating material having a cylindrical winding shaft; a primary winding wound on said winding shaft; and a secondary winding wound in alignment in multi-layers from the inner side to the outer side thereof; and wherein the primary winding and the secondary winding are separated from each other at a portion of the bobbin to be arranged side by side in the central axial direction of the winding shaft and are electromagnetically coupled to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.