Heating systems – Automatic control – Combined radiator and boiler
Patent
1986-01-27
1987-11-10
Bennet, Henry A.
Heating systems
Automatic control
Combined radiator and boiler
219341, 237 16, F24H 306
Patent
active
047052139
ABSTRACT:
A heat unit recycler for the exchange of air in a room includes an enclosed tank containing a liquid to be heated. A heating mechanism is provided for heating the liquid in the tank and a temperature control is provided for controlling the heating device to maintain the liquid in the tank at a predetermined value. A plurality of heat exchange tubes pass through the tank. A fan at the outlet end of the heat exchange tubes draws room air into the tubes and blows heated room air from the tubes back into the room. A speed control is provided for the fan in order to control the rate of flow of the air moved by the fan. Preferably, a small air space is provided at the top of the tank and a radiator-type pressure cap is also provided at the top of the tank for relieving excess pressure in the tank by movement of air out of and into the air space. Where the liquid in the tank has an odor, a filter is also provided for filtering any odor from the air passing outward from the airspace in the tank through the pressure cap. In order to save space, the fan is located on one side of the tank and the heat exchange tubes are substantially J-shaped so as to extend from one longitudinal end of the tank and out the side adjacent the other longitudinal end of the tank. Conveniently, the various elements of the heat unit recycler are mounted on a base and a cover is provided with suitable vents therein.
REFERENCES:
patent: 1581386 (1926-04-01), Clark
patent: 1666816 (1928-04-01), Falk
patent: 3139516 (1964-06-01), Boecher
patent: 4424934 (1984-01-01), Wilhoite
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