Electric heating – Metal heating – By arc
Reexamination Certificate
2006-01-31
2006-01-31
Hoang, Tu (Department: 3742)
Electric heating
Metal heating
By arc
C219S121480, C219S121540
Reexamination Certificate
active
06992262
ABSTRACT:
The present invention is directed to a system and method for a plasma cutting system including a plasma cutting power source and a plasma torch operationally connected to the plasma cutting power source. A processing unit is disposed within the plasma torch and is configured to control the plasma cutting power source during a plasma cutting process based on operational feedback gathered of the plasma cutting process.
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Hackl, Heinrich, Digitally Controlled GMA Power Sources, pp. 1-7 http://www.fronius.com/worldwide/usa/products/paper—digitally—controlled—power—sources—gb.pdf.
Lambert David
Matus Tim A.
Schneider Joseph C.
Ulrich James F.
Hoang Tu
Illinois Tool Works Inc.
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