Nozzle with exposed vent passage
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United States of America Patent
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Dec 25, 2012
Grant Date -
Apr 1, 2010
app pub date -
Sep 30, 2008
filing date -
Sep 30, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A nozzle for a plasma torch can include a body that has an inner surface, an outer surface, a proximal end, and an exit orifice at a distal end. The nozzle can also include a liner surrounded by the inner surface of the body. The liner can include a proximal end and an exit orifice at a distal end adjacent the exit orifice of the body. The nozzle can include at least one vent passage formed in the body. The vent passage can have an inlet formed in the inner surface of the body and an outlet formed in the outer surface of the body. The vent passage can be disposed between the proximal end of the body and the proximal end of the liner. The plasma arc torch can include a configuration that allows for increased electrode life and nozzle life for a vented high current plasma process.
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