An electric arc generating device including, a first electrode and at least two further electrodes. A source of electrical power is connected to said electrodes so as to cause an arc to burn between the first electrode and one of the further electrodes. The distribution of power within the zone of the...http://www.google.es/patents/US5227603?utm_source=gb-gplus-sharePatente US5227603 - Electric arc generating device having three electrodes
Electric arc generating device having three electrodes
