Non-plugging D.C. plasma gun

摘要

A plasma gun system comprising: a plasma gun comprising an outlet, wherein the plasma gun is configured to generate a plasma stream and provide the plasma stream to the outlet; and a plasma gun extension assembly configured to be coupled to the plasma gun, wherein the plasma gun extension assembly comprises an extension chamber and a port, the extension chamber having an interior diameter defined by a chamber wall and being configured to receive the plasma stream from the outlet of the plasma gun and to enable the plasma stream to expand upon entering the extension chamber, and the port being configured to introduce a powder to the expanded plasma stream at a location outside of the plasma gun.

主权项

1. A method of using a plasma gun system, the method comprising:
generating a plasma stream using a plasma gun, wherein the plasma stream flows through an outlet of the plasma gun and into an extension chamber having an interior diameter defined by a chamber wall, the plasma stream expanding upon entering the extension chamber; and flowing a powder into the expanded plasma stream in the extension chamber through a channel fluidly coupled to a port that is fluidly coupled to the extension chamber, wherein the port introduces the powder to the expanded plasma stream at a location outside of the plasma gun and the port is disposed on a faceplate that is coupled to the plasma gun using one or more fasteners and to the chamber wall using one or more fasteners and the channel is disposed within the faceplate.