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Induction Heating Using Induction Coils in Series-Parallel Circuits

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A part is inductively heated by multiple, self-regulating induction coil circuits having susceptors, coupled together in parallel and in series with an AC power supply. Each of the circuits includes a tuning capacitor that tunes the circuit to resonate at the frequency of AC power supply.
Matsen, Marc Rollo (Seattle, WA), Geren, William Preston (Shoreline, WA), Miller, Robert James (Fall City, WA), Negley, Mark Alan (Bellevue, WA), Dykstra, William Chet (Rockford, MI)
13/ 248,134
September 29, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with Government support under contract number DE-FG36-08GO18135 awarded by the United States Department of Energy. The government has certain rights in this invention.