Nozzle for a liquid-cooled plasma torch, nozzle cap for a liquid-cooled plasma torch and plasma torch head comprising the same
AssigneeKjellberg Finsterwalde Plasma und Maschinen GmbH
InventorsVolker Krink, Frank Laurisch, Timo Grundke
Life of this patent
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Abstract
A nozzle for a liquid cooled plasma torch includes a nozzle bore for the exit of a plasma gas beam at a nozzle tip, a first section, of which the outer surface is essentially cylindrical, and a second section connecting the nozzle tip, of which the second section the outer surface tapers essentially conically towards the nozzle tip, wherein at least one liquid supply groove is provided and extends over a part of the first section and over the second section in the outer surface of the nozzle towards the nozzle tip and at least one liquid return groove separate from the liquid supply groove is provided and extends over the second section.
Claims49
A nozzle for a liquid cooled plasma torch, comprising:
- a nozzle bore for the exit of a plasma gas beam at a nozzle tip;
- a first section of said nozzle, said first section having an outer surface that is essentially cylindrical;
- a second section of said nozzle connecting said first section to said nozzle tip, said second section having an outer surface that tapers essentially conically towards said nozzle tip;
- at least one liquid supply groove, said at least one liquid supply groove extending over a part of said first section and over said second section of said outer surface of said nozzle towards said nozzle tip;
- a single liquid return groove that is separate from said at least one liquid supply groove, said liquid return groove extending over said second section of said nozzle;
- and
- another groove which is connected to said at least one liquid supply groove is disposed in said first section of said nozzle.
A nozzle for a liquid cooled plasma torch, comprising:
- a nozzle bore for the exit of a plasma gas beam at a nozzle tip;
- a first section of said nozzle, said first section having an outer surface that is essentially cylindrical;
- a second section of said nozzle connecting said first section to said nozzle tip, said second section having an outer surface that tapers essentially conically towards said nozzle tip;
- a single liquid supply groove, said liquid supply groove extending over a part of said first section and over said second section of said outer surface of said nozzle towards said nozzle tip;
- at least one liquid return groove that is separate from said liquid supply groove, said at least one liquid return groove extending over said second section of said nozzle;
- and
- another groove which is connected to said single liquid supply groove is disposed in said first section of said nozzle.
Dependencies are inferred from the claim text.