INDUCTION ELECTRIC HEATER Russian patent published in 2002 - IPC

FIELD: preparation of hot water for technological purposes; hot water supply systems for buildings where storage-type electric heater is load-regulator of electrical lead-in or supply transformer substation. SUBSTANCE: induction electric water heater includes inductor and ferromagnetic tube embraced by this inductor; said ferromagnetic tube is connected with cold and warm water pipe lines; besides that, four tubes are mounted additionally which are located coaxially relative to one another forming inner, center and outer reservoirs; inductors are located in gaps between inner and center reservoirs, between center and outer reservoirs; inner reservoir is connected with hot water pipe line. EFFECT: enhanced operational efficiency due to combination of positive properties of flow-through and storage-type water heaters. 2 dwg