Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1980-07-31
1984-04-24
Bartis, Anthony
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
165 34, 165101, 165154, 165163, 165164, 219341, 219378, 261115, 261158, 261DIG10, 261DIG32, H05B 300, F28C 306, F24H 704, F28D 706
Patent
active
044450230
ABSTRACT:
A thermal storage heater system for heating fluids includes a storage tank for accumulating and storing energy in the form of a quantity liquid heated to a high temperature by an electric immersion heating element in the tank. A source of a first fluid to be heated is connected to the inlets of pilot and primary heat exchangers immersed in the high temperature liquid for transferring heat to the first fluid. A first circuit connects the outlet of the pilot heat exchanger to a point of use. A second fluid circuit connects the outlet of the primary heat exchanger to the point of use and includes a spring-loaded pressure sensitive check valve responsive to the flow rate in the first circuit for regulating the flow of fluid through the primary heat exchanger in response to a change in flow indicative of insufficient heating of the fluid by the pilot heat exchanger. The system includes an additional heat exchanger for heating a second fluid to be heated. The pilot, primary and additional heat exchangers each comprise at least one U-shaped tube immersed in the liquid with each tube having an inlet and an outlet aligned in a horizontal plane. A condenser is provided at the outlet of the pilot heat exchanger and additional heat exchanger for condensing any entrained steam in the heated fluid. The condenser for the additional heat exchanger includes a central spray tube connecting the source of second fluid to the inlet of the U-shaped tube, a concentric outer shell connecting the outlet of the U-shaped tube to the point of use, and a radially corrugated imperforate baffle therebetween.
REFERENCES:
patent: 347228 (1886-08-01), Clarke et al.
patent: 1898083 (1933-02-01), Duble
patent: 2237617 (1941-04-01), Trede
patent: 3422248 (1969-01-01), Beaulieu et al.
patent: 3630275 (1971-12-01), Beaulieu et al.
patent: 4143642 (1979-03-01), Beaulieu
patent: 4243871 (1981-01-01), McKenney
Bartis Anthony
Lidd Francis J.
Vapor Corporation
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