Electric heating – Heating devices – Combined with diverse-type art device
Patent
1974-02-04
1976-02-10
Bartis, A.
Electric heating
Heating devices
Combined with diverse-type art device
219273, 219295, 219362, 338 86, H05B 102, H05B 360, H01C 1002
Patent
active
039379205
ABSTRACT:
An improved method of operating a water-vapor generator having a vaporization vessel containing water and provided with heating electrodes therein which are connected to an electric current supply and between which flows an electric current whose magnitude depends on the depth of immersion of the electrodes in the water in the vessel, which method comprises discharging water from the vessel from time in order to reduce the concentration of minerals in the water resulting from vaporization and introducing fresh water into the vessel to replace that which has been evaporated and/or discharged. The method employs the electrode current as a controlled condition for the control of the water supply and discharge valves to the vessel. The magnitude of the electrode current is continuously measured, the course of variations in the measured current with respect to time between two limit valves, representing preselected minimum and maximum electrode current values, is compared with a predetermined set current course between the two limit values plotted in a Cartesian coordinate system with values of current as the ordinates and values of time as the abscissae and a quantity of water dependent upon the deviation of the measured current course from the predetermined set current course in discharged from the vessel.
REFERENCES:
patent: 2185786 (1940-01-01), Eaton
patent: 3269364 (1966-08-01), Higgins
patent: 3629550 (1971-12-01), Carlsson
patent: 3761679 (1973-09-01), Dall
patent: 3780261 (1973-12-01), Eaton-Williams
Badertscher Gerhard
Gundacker Siegbert
Bartis A.
Plascon AG.
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