Heat exchanger

Liquid heaters and vaporizers – Stand boiler – Fluid fuel burner

Patent

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Details

122 37, 122134, F22B 500

Patent

active

042033926

ABSTRACT:
A heat exchanger in which a fluid maintenance tank has a spiral coil for heating the fluid therein. A source of heat is applied to the upper end of the spiral coil and the heat is caused to course through the spiral coil to the other end thereof during which heat is being exchanged to the medium to be heated. The uppermost portion of the tank is thereby heated first. A blower means is connected in operative relationship with the lower end of the spiral tubing to draw the heat and products of combustion through the tubing and to exhaust same. The heat exchanger may be a hot air furnace, a hot water heater or a fluid superheater with a reserve compartment.

REFERENCES:
patent: 1037029 (1912-08-01), Lukacs
patent: 1811938 (1931-06-01), Irwin
patent: 2046455 (1936-07-01), Hellig
patent: 2385854 (1945-10-01), Wolfersperger

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