Reducing restart cycle time of a plasma blow back torch for improved marking
US10743399B2 · kind B2 · utility
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4References
20Claims
0Family size
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Key dates
| Filing date | Sep 16, 2014 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Dec 1, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Techniques for extinguishing a plasma arc in a blowback plasma torch are provided. The plasma arc can be extinguished by bringing the electrode into contact with the nozzle and out of contact with the nozzle while the power supply and flow of gas are left on. In particular, while current is flowing through the electrode, the electrode may be brought into contact with the nozzle to extinguish the plasma arc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.