Fuel cell operated welder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 18, 2001
Grant Date -
N/A
app pub date -
Dec 8, 1999
filing date -
Dec 8, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
An electric arc welder powered by a plurality of liquid organic fuel cells. The fuel cells use a methanol/water mixture as the organic feed. The fuel cells produce carbon dioxide as a reactive product which is used an a shielding gas during the arc welding process. The fuel cells are stacked together to produce the desired arc voltage and current between an electrode and the workpiece. The arc welder includes a welding current to control the current wave shape through the electrode and to control or increase the voltage through the electrode.
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