Closed loop cooling of a plasma gun to improve hardware life
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United States of America Patent
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Mar 7, 2017
Grant Date -
Nov 13, 2014
app pub date -
Jan 27, 2012
filing date -
Jan 27, 2012
priority date (Note) -
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Abstract
Water cooling system (1) for a plasma gun (2), method for cooling a plasma gun (2) and method for increasing a service life of a plasma gun (2). The system (1) includes a water cooler structured and arranged to remove heat from cooling water to be supplied to the plasma gun (2), a controller (7) structured and arranged to monitor a gun voltage of the plasma gun (2), and at least one flow valve (8) coupled to and under control of the controller (7) to adjust a flow of the cooling water. When the gun voltage drops below a predetermined value, the controller (7) controls the at least one flow valve (8) to increase the plasma gun temperature and the gun voltage.
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