By Electron Tube Converter Patents (Class 363/151)
  • Alternating current power source for welding
    Patent number: 5340963
    Abstract: A AC power source for welding is configured to receive three phase power and to provide single phase current to a welding load. The power source includes a three phase transformer with three center tapped secondary windings, a center tapped output inductor, and suitably triggered thyristors between the secondaries and the output inductor.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: August 23, 1994
    Assignee: Miller Electric Mfg. Co.
    Inventor: Peter W. Bodewigs