ELECTRODES FOR GAS- AND LIQUID-COOLED PLASMA TORCHES, SYSTEM CONSISTING OF AN ELECTRODE AND A COOLING TUBE, GAS CONDUCTING UNIT, PLASMA TORCH, METHOD FOR CONDUCTING GAS IN A PLASMA TORCH, AND METHOD FOR OPERATING A PLASMA TORCH

World Intellectual Property Organization Patent

APP PUB NO WO-2018229308-A2
SERIAL NO

PCTEP2018068942

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The invention relates to an electrode (30) for an especially gas-cooled plasma torch (10), in particular plasma cutting torch, the electrode comprising: an elongated electrode body (30b) with an open end (34) and a closed end (33), said ends defining a longitudinal axis L, and an emission insert (31) in the closed end (33), a cavity (32; 32a, 32b) extending in the electrode body (30b) from the open end (34) of the electrode body towards the closed end (33), said cavity fluidically communicating with the outer face (37) of the electrode body which is radial with regard to the longitudinal axis, via at least one opening (32c, 32d) in its wall (30a) or in the front solid portion of the closed end (33). The invention further relates to a system consisting of said electrode and cooling tube, to a gas conducting unit, a plasma torch comprising same, a method for conducting gas in a plasma torch and a method for operating the plasma torch.

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