Method and apparatus for arc welding
US4201906A · kind A · utility
27Cited by
6References
10Claims
0Family size
Inventor
Key dates
| Filing date | Jun 23, 1978 |
| Grant date | May 6, 1980 |
| Priority date | — |
| Expiry date | Jun 23, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/1006
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of and apparatus for arc welding, in which an energy source supplies the welding process and a simulated process in a bridge circuit the output of which, via an amplifier and a discriminator circuit controls the operation of the source in one of two or more modes having different characteristics such as constant voltage or constant power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.