Electric heating – Metal heating – Of cylinders
Patent
1980-01-25
1982-03-16
Mayewsky, Volodymyr Y.
Electric heating
Metal heating
Of cylinders
99358, 426244, H05B 904
Patent
active
043202764
ABSTRACT:
A dielectric heating device for heating a dielectric sandwiched between a pair of electrodes is disclosed in which an oscillation circuit is made up of the above-mentioned electrodes, a coil connected in series with the electrodes, a first capacitor connected in parallel with a series circuit made up of the electrodes and the coil, another series circuit connected in parallel with the first capacitor and made up of second and third capacitors and a field effect transistor having source and drain electrodes connected respectively to one and the other electrodes of the second capacitor and a gate electrode connected to a junction point for connecting the first and third capacitors.
REFERENCES:
patent: 2253971 (1941-08-01), Dodge
patent: 3043569 (1962-07-01), Arwentrout
patent: 3053960 (1962-09-01), Spielas
patent: 3330932 (1967-07-01), Gros
patent: 3394007 (1968-07-01), Campbell
patent: 3943332 (1976-03-01), Marsh
patent: 4112285 (1978-09-01), Pau et al.
patent: 4119826 (1978-10-01), Chambley et al.
Kaneko Yoichi
Owatari Hisato
Takeuchi Takashi
Hitachi , Ltd.
Mayewsky Volodymyr Y.
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