Coil for induction heating of a strip or another elongate metal workpiece
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United States of America Patent
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Jan 13, 2004
Grant Date -
N/A
app pub date -
Oct 21, 2002
filing date -
Oct 21, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a coil to be used in transverse flux induction heating of an object in the form of a metal strip or another elongate metal workpiece. The coil contains at least one pair of loops of conductors, which are non-symmetrically positioned to each other and the conductors overlap each other so that the inductor has double conductors across the object to be heated and a single conductor parallel to the object to be heated at the edges. The heating effect is prevented alone in the conductors by dividing the induced current for the conductors to two equal branches each having the same width as the original current and the combined heating effect in the branches is only half of the heating effect before branching.
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