Method and device for controlling welding power supply to avoid spattering of the weld material
US4544826A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | May 3, 1984 |
| Grant date | Oct 1, 1985 |
| Priority date | — |
| Expiry date | May 3, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and a device for controlling a welding power supply, employing a control device essentially including a first switch means consisting of at least one switch in element to be turned on and off to control the output current of the power supply, second switch means adapted to be inserted in a welding current attenuating path when the first switch means is in off state, and an impedance means consisting of at least one impedance element connected parallel with the second switch means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.