Hybrid shield device for a plasma arc torch
US9210787B2 · kind B2 · utility
0Cited by
29References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2014 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Jan 30, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0352
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A shield device for a plasma arc torch includes an inner shield member defining an inner auxiliary gas chamber and an outer shield member surrounding the inner shield member. An outer auxiliary gas chamber is defined between the inner shield member and outer shield member. The shield device allows an auxiliary gas flow to be split into a first flow of auxiliary gas through the inner auxiliary gas chamber and a second flow of auxiliary gas through the outer auxiliary gas chamber. The inner shield member and the outer shield member are configured to be mounted to the plasma arc torch as an integral unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.