Patent ID: 8212172

Claim:
A vapor plasma burner comprising a burner handle a and a burner base), wherein inside said burner base a liquid feed pipe for feeding a working medium of the vapor plasma burner, a heating device, a burner chamber, a cathode connected to a cathode support having an electrically insulating coating, and an anode which is configured as a nozzle and has an exit opening are arranged, wherein said cathode support is configured together with said cathode as an axially displaceable piston and is connected to a spring element in such a manner that said cathode, in a rest position, is forced against said nozzle, and that said cathode support communicates with said liquid feed pipe in such a manner that during operation, said cathode is lifted off said nozzle by the working medium when the working medium is supplied so that an electric arc may be ignited between said cathode and said anode.