Electromagnetic helical pump for high-temperature transportation of molten metal, comprising an explicit-pole or implicit-pole inductor exciting a rotating magnetic field (RMF), and a helical channel consisting of a thick-wall ceramic pipe with a quick-change helical core made of graphite or graphitized carbon. The pump can be used for transportation and batching of molten aluminum, magnesium, copper, etc. and their alloys.
This application claims the benefit of U.S. provisional patent application No. 60/546,113, filed Feb. 18, 2004, which is hereby incorporated by reference herein in its entirety.
