Hybrid powered welder

Details Hybrid powered welder Hybrid powered welder

2004-08-17

2011-12-20

Evans, Geoffrey S (Department: 3742)

Electric heating

Metal heating

By arc

C219S133000, C219S134000

Reexamination Certificate

active

08080761

ABSTRACT:
An electric arc welder that includes a energy storage device and non-battery power source for the formation of an electric arc. The welder also includes battery charging circuit that controls the charging of the energy storage device by the non-battery power source. The non-battery power source can include an engine driven electric generator, power grid or a fuel cell.

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