Electric heating – Metal heating – Of cylinders
Patent
1977-04-04
1978-10-10
Reynolds, Bruce A.
Electric heating
Metal heating
Of cylinders
H05B 904
Patent
active
041198263
ABSTRACT:
A dielectric heat generator in which radio frequency energy derived from a radio frequency oscillator is divided into two separate ratio frequency components which are equal but out of phase with each other. Each component is applied to a separate electrode. In one embodiment the two components are essentially 180.degree. out of phase and each component is applied to a different one of two electrodes that are positioned in tandem and facing a third electrode which is coupled to ground. In a second embodiment, the components are essentially 180.degree. out of phase and each component is applied to a different one of two electrodes that are facing each other and spaced apart from each other. In a third embodiment, the two components are essentially 90.degree. out of phase and are applied to an arrangement of finger electrodes.
REFERENCES:
patent: 2298038 (1942-10-01), Crandell
patent: 2540613 (1951-02-01), Foley et al.
patent: 2582806 (1952-01-01), Nes et al.
patent: 2802085 (1957-08-01), Rothacker
patent: 2813184 (1957-11-01), Rueggeberg
patent: 3160687 (1964-12-01), Andrews
patent: 3866255 (1975-02-01), Serota
Chambley Phillip Wayne
Norris Alan Hedley
Champion International Corporation
Reynolds Bruce A.
Sommer Evelyn M.
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