Liquid heaters and vaporizers – Subsidiary
Patent
1977-04-25
1978-10-31
Sprague, Kenneth W.
Liquid heaters and vaporizers
Subsidiary
122421, F22D 102, F22B 3102
Patent
active
041228014
ABSTRACT:
An attachment or, accessory water heater being installed in any furnace flue, or pipe giving off an exhaust heat. When installed in a flue or pipe and connected in conjunction to any type self-sufficient water heater tank. It is the purpose of this invention, to use the heat which escapes up the flue from the furnace during operation. Thus eliminating in most cases, and drastically reducing in others, the need for additional energy, which is normally used to heat water. The accessory heater is essentially a condensed unit, which divides water into multiple and smaller parts, comprising a conduit of two sizes, being formed and shaped into condensed spiral coils, and connected to rings or headers, and circulating water through the unit and back to the tank, by means of convection or pump.
REFERENCES:
patent: 1674295 (1928-06-01), Perass
patent: 2395035 (1946-02-01), Briggs
patent: 2429663 (1947-10-01), Beatty
patent: 3793992 (1974-02-01), Marquez
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