Electric heating – Metal heating – By arc
Reexamination Certificate
2006-05-09
2006-05-09
Shaw, Clifford C. (Department: 1725)
Electric heating
Metal heating
By arc
C219S130210
Reexamination Certificate
active
07041936
ABSTRACT:
The invention relates to a method of linking several current sources, in particular several welding devices (1; 27; 28), plasma current sources or similar. Operating individually and independently of one another, a process control and/or regulating system (4; 31; 32) in every welding device (1; 27; 28) transmits desired values to a voltage-to-current controller of a power component (3; 29; 30). The power component (3; 29; 30) supplies a consumer connected to output jacks (38, 39; 40, 41; 42, 43) with power on the basis of the desired values. For the purposes of the invention, several welding devices (1, 27, 28) of the same and/or a different power rating or having the same and/or different machine specifications, are linked to one another on the secondary-side via the output jacks (38to43) to form a welding device (1, 27, 28) with a physically higher power output, whereby the interconnected welding devices (1, 27, 28) are digitally interconnected via a digital interface (44, 45, 46) which is known per se and/or a special digital connecting interface (47, 48, 49) for a data exchange. A process control and/or regulating system (4, 32, 33) of one welding device (1, 27, 28) assumes process control for all the other connected welding devices (1; 27; 28).
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Brunner Michael
Oberzaucher Friedrich
Collard & Roe P.C.
Fronius International GmbH
Shaw Clifford C.
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