GAS CONTROL SYSTEM FOR A PLASMA ARC TORCH

A plasma arc torch is provided that includes a torch head, a pre-flow gas conduit for directing a pre-flow gas through the plasma arc torch, at least one plasma gas conduit for directing a plasma gas through the plasma arc torch, and a gas control device. The pre-flow gas conduit and the plasma gas...

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Bibliographische Detailangaben
Hauptverfasser:	HEBERT, BRANDON, CONWAY, CHRISTOPHER, J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A plasma arc torch is provided that includes a torch head, a pre-flow gas conduit for directing a pre-flow gas through the plasma arc torch, at least one plasma gas conduit for directing a plasma gas through the plasma arc torch, and a gas control device. The pre-flow gas conduit and the plasma gas conduit extend into a proximal end portion of the torch head. The gas control device is disposed proximate the torch head and extends between a distal end portion of the pre-flow gas conduit and a distal end portion of the plasma gas conduit. The gas control device is operatively connected to each of the pre-flow gas conduit and the plasma gas conduit. The gas control device selectively allows one of the pilot gas and the plasma gas to flow through the plasma arc torch.