Electric heating – Heating devices – Combined with diverse-type art device
Patent
1977-07-22
1980-04-01
Bartis, A.
Electric heating
Heating devices
Combined with diverse-type art device
122382, 1225042, 219273, 340526, H05B 102, F22B 3742, H05B 360
Patent
active
041963415
ABSTRACT:
An electrode steam boiler includes a water-receiving shell and water-heating electrodes supported in the shell so as to be partially immersed in the water to be heated. The boiler also has first and second water-handling means arranged, respectively, for supplying feed water to, and withdrawing water from, the boiler shell, and a current responsive means responsive to the current flowing in one of the electrodes for actuating the two water-handling means. Finally, the boiler has means for monitoring the number of actuations in a pre-set period of at least one of the two water-handling means, and means responsive to this monitoring means for actuating a safety means when this number of actuations in a pre-set period of at least one of the water-handling means exceeds a predetermined value. The safety means may take the form of an audible and/or visual alarm or a device for shutting down the boiler.
REFERENCES:
patent: 3614278 (1971-10-01), Di Noto
patent: 3760775 (1973-09-01), Williams
patent: 3761679 (1973-09-01), Dall
patent: 3937920 (1976-02-01), Gundacker et al.
patent: 4070992 (1978-01-01), Holdt
Bartis A.
Striker Michael J.
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