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.
申请公布号
US2012074116(A1)
申请公布日期
2012.03.29
申请号
US201113241763
申请日期
2011.09.23
申请人
MATTHEWS WILLIAM T.;MUTER BRYCE;STUPCZY FRANK M.;LINCOLN GLOBAL, INC.