Efficient dielectric heater

Electric heating – Capacitive dielectric heating – Specific heating application

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Details

219772, 219777, H05B 662

Patent

active

059733080

ABSTRACT:
A novel dielectric heater including a RF source having a first impedance, a parallel plate mold having a second impedance, and an impedance network, matching the first impedance to the second impedance, connected to the RF source and the parallel plate mold. The impedance network may be connected in series with the RF source and the parallel plate mold. The RF source may include a RF terminal and a common terminal, the impedance network may include a first terminal, connected to the RF terminal, and a second terminal, and the parallel plate mold may include a first plate, connected to the second terminal of the impedance network, and a second plate, connected to the common terminal of the RF source. In an alternative embodiment the novel dielectric heater includes parallel plates divided into a number of series-connected cells. The series cells lower the capacitive component, and may be configured such that an impedance of the parallel plate mold approximates an impedance of the RF source.

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patent: 4629851 (1986-12-01), Holle
patent: 4823811 (1989-04-01), Harrison
patent: 5543604 (1996-08-01), Taylor

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