Plasma Torch Electrode with Improved Cooling Capability
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United States of America Patent
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Issued Date -
Oct 27, 2011
app pub date -
Apr 19, 2011
filing date -
Apr 21, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electrode for a plasma arc torch includes a hollow elongated body having an open end and a closed end and an end face located at the closed end inside of the hollow elongated body. The end face has a center portion. A plurality of heat exchanging elements are in thermal communication with the end face. The heat exchanging elements have side walls defining an elongated channel between adjacent heat exchanging elements. The elongated channel extends radially from the center portion to an inner surface of the elongated body. The elongated channel provides a thermally conductive path that transfers sufficient heat from the elongated body to a cooling fluid during an operation of the plasma arc torch to prevent premature failure of the electrode.
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