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
US8080761(B2)
申请公布日期
2011.12.20
申请号
US20040919815
申请日期
2004.08.17
申请人
MATTHEWS WILLIAM T.;MUTER BRYCE;STUPCZY FRANK M.;LINCOLN GLOBAL, INC.