Method and apparatus for controlling the output of an engine...

Details Method and apparatus for controlling the output of an engine... Method and apparatus for controlling the output of an engine...

B - Operations, Transporting

23

K

B23K 9/10 (2006.01)

Patent

CA 2180397

Disclosed is an engine driven welding power supply for providing a welding output having a plurality of volt-ampere curves, each of the curves being associated with a selected current output. The supply includes an AC generator capable of providing an AC signal, a rectifier for receiving the AC signal and providing a chopped DC signal, an output inductor for receiving the chopped DC signal and providing a smoothed DC output and controller apparatus connected to the rectifier means for providing each welding volt-ampere curve a slope over a usable welding range, wherein the magnitude of the slope is dependent on the selected current output.

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