Heater

Details Heater Heater

1982-03-29

1983-06-14

Yuen, Henry C.

Liquid heaters and vaporizers

Water tube

Wall structure

122 13R, 122 15, 122 19, F22B 2902

Patent

active

043876692

ABSTRACT:
A portable oil field heater heats a liquid water-petroleum mixture by passing it through a single continuous path primary coil, and then a single continuous path secondary coil. The continuous path primary coil extends along the walls of the heater, and the secondary coil is a bundle above an LPG burner. The air for combustion is introduced from the top of the heater through false walls to beneath a false floor beneath the burner. Thus, it is not necessary to have insulation (particularly fire brick) along the sides of the heater; thereby greatly reducing weight and maintenance. The safety of the unit is greatly improved by introducing the combustion air from a height well above the level of the burner.

REFERENCES:
patent: 1023450 (1912-04-01), Wheller
patent: 1779937 (1930-10-01), Holinger
patent: 3707142 (1972-12-01), Kobayashi
patent: 4290388 (1981-09-01), Ruhe et al.
patent: 4359951 (1982-11-01), Dauvergne
patent: 4361276 (1982-11-01), Paige

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