US Patent 7291804 Plasma-spraying device

Example embodiments relate to a plasma-spraying device for spraying a powdered material, including electrodes, which may form a plasma channel having an inlet end and an outlet end, and a unit for supplying the powdered material to the plasma channel. The powder supply unit may be arranged between a first section of the electrodes located upstream of the powder supply unit and a second section of the electrodes located downstream of the powder supply, as seen in the direction of plasma flow of the plasma channel.