Switching device for mode transition of DC plasma torches
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United States of America Patent
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Feb 21, 2006
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N/A
app pub date -
May 23, 2005
filing date -
May 23, 2005
priority date (Note) -
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Abstract
The present invention obtains an automatic mode switching of DC plasma torches through, which easily switches DC plasma torches to be run between a transmitting mode and a non-transmitting mode and put the switching device under the monitor and the control of a current sensor and a current level controller; the heat generated by the current passing through can be transferred by a non-combustible liquid driven by a pump and be cooled down through a heat exchanger; and, electric arcs is prevented from happening between two electrodes by the non-combustible liquid.
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