Coarse hard-metal particle internal injection torch and associated compositions, systems, and methods
US9358631B2 · kind B2 · utility
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11References
20Claims
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Inventor
Key dates
| Filing date | Jun 15, 2011 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | May 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/42
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Internal coarse particle injection plasma transferred arc torch nozzles comprising: a heat-resistant nozzle body; at least one coarse hard-metal particle internal injection port; at least one fine hard-metal particle and matrix internal injection port; at least one gas port; and a cathode. Related systems, apparatus, compositions, and methods involving such arc torch nozzles are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.