Pulse welder and method utilizing a plasma boost
US8283598B2 · kind B2 · utility
6Cited by
32References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2007 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | Nov 19, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/0738
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An electric arc welder includes a short detecting circuit for creating a short signal upon occurrence of a short circuit between an advancing electrode and a workpiece, and a boost circuit to create a plasma boost pulse after the short circuit is cleared during the time period when the welder is not outputting a peak pulse current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.