PLASMOTRON FOR CUTTING AND INSTALLATION FOR PLASMA-ARC CUTTING Russian patent published in 2002 - IPC

FIELD: equipment for plasma cutting, possibly in different branches of industry. SUBSTANCE: plasmotron 1 includes electrode 2 provided with active insert and mounted in electrode holder 4 having deflector 3. Electrode and electrode holder have inlet duct 5, nozzle 6 and constructional members with concentrically arranged cylindrical portions forming central, mean and peripheral annular cavities 7, 8, 9 communicating one with another. Between central 7 and mean 8 annular cavities there is additional annular cavity 10 divided with the aid of deflector 11 by two slits 12, 13. Central cavity 7 is communicated with mean cavity 8 through additional cavity. Plasmotron 1 is mounted in handle of cutter connected through cables (power cable, control cable and electric arc cable) with oscillator connected through additional cables with power source. EFFECT: improved design of plasmotron, enhanced efficiency of installation. 21 cl, 3 dwg