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US 2022/0104337 A1Published application
Electrode for plasma a gun
AssigneeOerlikon Metco (US) Inc.
InventorsJunya KITAMURA, Ronald J. MOLZ, Toshiyuki YAMANE
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Abstract
A cathode for a plasma gun includes a main body having a first end and a second end, wherein the first end has a protrusion. A method of using the cathode includes mounting the cathode inside a plasma gun and generating an arc discharge via the protrusion.
Claims20
A cathode for a plasma gun, comprising:
- a main body having a first end and a second end;
- and
- a protrusion extending from the first end,
- wherein the protrusion has an emission zone diameter that is less than about 4 mm.
1 more element
-40. (canceled)
A method of modifying a cathode of a plasma gun, comprising:
- removing the cathode from the plasma gun;
- performing metal removing or machining on the cathode in order to shape the forwardmost or arc discharging end so as to have a single centrally disposed and axially oriented protrusion;
- and
- reinstalling the cathode on the plasma gun.
1 more element
Dependencies are inferred from the claim text.