Electric heating – Metal heating – Of cylinders
Patent
1979-06-11
1982-03-09
Reynolds, B. A.
Electric heating
Metal heating
Of cylinders
219 1075, 219 1079, 219 1053, 336186, H05B 644
Patent
active
043191118
ABSTRACT:
A high frequency induction heating apparatus for heating articles where the apparatus has a heating station, a source of high frequency current including a vacuum tube oscillator means and a plurality of high frequency electric conductors which extend through the heating station and which are connected to the source and to ground. The conductors are series connected such that one-half of the conductors form inflow conductors positioned adjacent one another in one-half of the heating station and the remaining one-half of the conductors form outflow conductors positioned adjacent one another in the remaining one-half of the heating station. Conductors connected closer to the source are positioned further from the article to be heated than conductors connected closer to ground in order to prevent dielectric breakdown between the conductors and the article to be heated.
REFERENCES:
patent: 2386819 (1945-10-01), Sherman
patent: 2419116 (1947-04-01), Cassen et al.
patent: 2818483 (1957-12-01), Blume
patent: 3005893 (1961-10-01), Dixon et al.
patent: 3694609 (1972-09-01), Kennedy
patent: 3704357 (1972-11-01), Moulin
patent: 4017704 (1977-04-01), Collins, Jr. et al.
Basics of Induction Heating, vol. I, p. I-123, by Tudbury, "Mechanical Forces on Coils", May, 1960.
Electromagnetics, Chapter 2, pp. 64-65, by Kraus, "Dielectic Strength", 1953.
Leung Philip H.
Reynolds B. A.
Toyo Seikan Kaisha Ltd.
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