Long lasting torch

Details Long lasting torch Long lasting torch

2006-08-29

2006-08-29

Paschell, Mark H. (Department: 3742)

Electric heating

Metal heating

By arc

C119S169000, C119S169000, C119S075000, C110S250000, C373S018000

Reexamination Certificate

active

07098421

ABSTRACT:
The invention is a transferred or non-transferred plasma arc torch for use in a fuel gas generator system for generating electricity from waste, wherein the torch includes a torch housing, electrodes (one in a transferred torch, two in a non-transferred torch), a tubular sleeve member, a coolant flow path, a vortex mechanism, and a power supply circuit connected to the rear and front electrodes that generates an arc that is adapted to extend axially from the rear electrode through the vortical flow of gas and to an attachment located on the bore of the front electrode, and wherein the electrodes are metal coated in order to protect from wear during use.

REFERENCES:
patent: 5319176 (1994-06-01), Alvi et al.
patent: 5548611 (1996-08-01), Cusick et al.
patent: 5734673 (1998-03-01), Kurahashi et al.
patent: 5785923 (1998-07-01), Surma et al.
patent: 5798496 (1998-08-01), Eckhoff et al.
“Evaluation of Plasma Arc Technology for the Treatment of Municipal Solid Wastes In Georgia,” Jan. 1997.

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