System and method of precise wire feed control in a welder

Details System and method of precise wire feed control in a welder System and method of precise wire feed control in a welder

2008-01-29

2008-01-29

Shaw, Clifford C. (Department: 1793)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

07323659

ABSTRACT:
The present invention is directed to an apparatus and method for a welding-type wire feeder. The feeder includes at least one electronically commutated motor (ECM) configured to deliver a consumable for a welding-type process. The feeder includes a controller configured to electronically commutate the at least one ECM so as to precisely perform push and pull functions, speed and acceleration control, and wire reversal.

REFERENCES:
patent: 3586222 (1971-06-01), Rosen
patent: 5932123 (1999-08-01), Marhofer et al.
patent: 6661192 (2003-12-01), Copeland
patent: 2004/0016735 (2004-01-01), Huismann et al.
patent: 2004/0016736 (2004-01-01), Huismann et al.
patent: 2004/0016737 (2004-01-01), Huismann et al.
patent: 2004/0016788 (2004-01-01), Huismann et al.
patent: 2004/0245230 (2004-12-01), Huismann et al.

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