Electric resistance heating devices – Heating devices – Vaporizer
Patent
1991-03-01
1993-02-23
Bartis, Anthony
Electric resistance heating devices
Heating devices
Vaporizer
38 776, 200 84C, 392405, H05B 102, D06F 7510, F24H 128, H01H 3602
Patent
active
051897261
ABSTRACT:
The apparatus comprises a boiler (2) provided with an electric resistance heating element (3) arranged to heat and vaporize water, a water reservoir (6) independent of the boiler and a pump (8) designed to transfer water from the reservoir to the boiler. In the boiler a predetermined amount of water substantially corresponding to 50% of the overall capacity of the boiler itself is kept constant, thereby maintaining the steam amount unaltered and making the steam use always immediate. A steam control valve connected to the boiler (2) is driven by a magnetic float switch (14) housed in the water reservoir (6) to stop the steam emission when the cold water reservoir (6) is empty.
REFERENCES:
patent: 2302528 (1942-11-01), Conklin
patent: 2623153 (1952-12-01), McGinnis
patent: 3508354 (1970-04-01), Stansbury et al.
patent: 4748300 (1988-05-01), Anderson
patent: 4841107 (1989-06-01), Tandler
Bartis Anthony
CTS Costruzioni Techniche Sanmarinesi
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