Devices for gas cooling plasma arc torches and related systems and methods
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United States of America Patent
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Sep 22, 2015
Grant Date -
Jan 29, 2015
app pub date -
Nov 26, 2013
filing date -
Jul 25, 2013
priority date (Note) -
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Abstract
In some aspects, nozzles for a gas-cooled plasma torches can include a hollow generally cylindrical body having a first end and a second end that define a longitudinal axis, the second end of the body defining a nozzle exit orifice; a gas channel formed in the first end between an interior wall and an exterior wall of the cylindrical body, the gas channel directing a gas flow circumferentially about at least a portion of the body; an inlet passage formed substantially through a radial surface of the exterior wall and fluidly connected to the gas channel; and an outlet passage at least substantially aligned with the longitudinal axis and fluidly connected to the gas channel.
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