Systems, methods, and apparatus to preheat welding wire
US11247290B2 · kind B2 · utility
0Cited by
140References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2018 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Aug 18, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/295
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Systems, methods, and apparatus to preheat weld wire are disclosed. An example welding torch includes a first contact tip configured to conduct welding current to a consumable electrode, a second contact tip configured to conduct preheating current to the consumable electrode, and a plurality of liquid cooling assemblies configured to conduct the preheating current and to conduct the welding current to the consumable electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.