Induction heat treatment of workpieces
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United States of America Patent
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Jun 18, 2013
Grant Date -
Dec 2, 2010
app pub date -
Aug 9, 2010
filing date -
Oct 30, 2004
priority date (Note) -
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Abstract
An apparatus and process are provided for induction heating of a workpiece. The workpiece is moved through an inductor to inductively heat treat the workpiece with electric power of varying frequency and duty cycle or amplitude control to control the magnitude of electric power as the frequency changes. Alternatively the workpiece may be stationary and the inductor can be moved along the workpiece, or combined and coordinated movement of both the workpiece and inductor can be used.
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