Welding purge control using electronic flow control
US8530777B2 · kind B2 · utility
2Cited by
30References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2007 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Dec 7, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D7/0652
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Purge gas apparatus and method for a welding system uses automatic purge gas flow control function, such as an MFC, to control ID and/or OD purge gas flow rate or purge gas pressure or both at the weld site.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.