Electric heating – Metal heating – By arc
Patent
1992-01-17
1993-07-06
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912155, 21912151, 219 75, 21912154, 21912139, B23K 900
Patent
active
052256570
ABSTRACT:
A plasma-arc torch system is disclosed wherein a source provides gas and electrical power. A delivery device is connected to the source for supplying the gas and electrical power to a plasma-arc torch. A filter is disposed within the delivery device for filtering the gas being supplied to the plasma-arc torch. The filter provides more uniform operation and improved gas mixing.
REFERENCES:
patent: 3988566 (1976-10-01), Vogts et al.
patent: 4039798 (1977-08-01), Lythall et al.
patent: 4795880 (1989-01-01), Hayes et al.
patent: 4845334 (1989-07-01), Stocks et al.
patent: 4916283 (1990-04-01), Nagasaka et al.
Paschall Mark H.
The Lincoln Electric Company
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