Patent · US Expired

Method and device for controlling welding power supply to avoid spattering of the weld material

US4544826A · kind A · utility

66Cited by
4References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 3, 1984
Grant dateOct 1, 1985
Priority date
Expiry dateMay 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.