Importance

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Abstract

A plasma torch includes a first element provided with a through opening for the exit of a plasma flow, and a hollow electrode which develops longitudinally along a main axis and can be positioned with respect to the first element in such a way as to define a striking area. The hollow electrode includes an inner cavity which extends at least partially along the main axis and a main conveyance way suited to convey a carrier gas. The torch includes a first divider suited to divide the main way into a first conveyance way suited to convey a portion of the carrier gas from the main way towards the striking area and into a second conveyance way suited to convey a portion of the carrier gas from the main way towards the inner cavity of the hollow electrode, the portion of carrier gas of the second way being suited to cool down the hollow electrode, and a second divider arranged downstream of the first divider, suited to divide the first way into a third conveyance way suited to convey a portion of the carrier gas from the first way towards the striking area and into a fourth conveyance way suited to convey a portion of the carrier gas from the first way towards the first element, the portion of carrier gas of the fourth way being suited to cool down the first element.

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First Claim