Welding type power supply with transformer
US10486257B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2014 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Aug 22, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F38/085
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for providing welding type power, including a power and control circuit is disclosed. The power circuit provides welding, control and aux power. The control and aux power are provided with a transformer, and secondary windings for control and aux power are wound on a single bobbin, with a winding separator separating them. Air vents, which can be formed by fins on the bobbin or separator allow cooling of the inner winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.