Electric heating – Metal heating – By arc
Patent
1989-03-14
1990-08-28
Shaw, Clifford C.
Electric heating
Metal heating
By arc
219126, B23K 912
Patent
active
049527746
ABSTRACT:
A portable electric power source for movable welding equipment used for constructing storage tanks and the like comprises a platform; an engine mounted on the platform; an AC electric generator mounted on the platform and driven by the engine; a welding machine, mounted on the platform, including electric current inverter and transformer means by which AC electric current from the generator is converted to DC welding current; and current transmission means for conveying the welding current from the welding machine to the welding head of the associated welding equipment. The welding equipment and the power source are mounted on carriages which are coupled together so as to move in unison as the welding operation progresses.
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patent: 3953121 (1971-07-01), Jones
Converter Power Supplies--More Options for Arc Welding--by Chet Shira--Welding Design & Fabrication, pp. 52-55.
Marvin Jack C.
Sugimoto Atsushi
Chicago Bridge & Iron Technical Service Company
Shaw Clifford C.
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