Combustion – Process of combustion or burner operation – Heating feed
Patent
1989-12-26
1991-07-23
Jones, Larry
Combustion
Process of combustion or burner operation
Heating feed
431333, 126 93, 126110B, F23D 500
Patent
active
050339567
ABSTRACT:
Flow of liquid fuel to a vaporization tube of a heating device is controlled by a vertically adjustable float valve, with the vertical height of a surface level of the fuel in a float valve chamber being set to correspond to a desired operating level of the liquid fuel in the vaporization tube. Liquid fuel is permitted to free-flow from the float valve chamber to the lower end of the vertical vaporization tube without metering, the rate of flow and the level of the fuel in the vaporization tube being determined solely by the hydraulic head created by the surface level of the fuel in the float valve chamber. Raising of the float valve chamber produces a corresponding raising of the level of the fuel in the vaporization tube to increase the tube inner surface area which is contacted or wetted by the fuel in the tube, thus causing an increase in the rate of vaporization and a corresponding increase in heat output of the heating device. Conversely, lowering of the float valve chamber causes a corresponding lowering of the level of the fuel in the vaporization tube, with a consequent reduction in the vaporization rate and the heat output of the heating device. The fuel control system and method is disclosed in combination with a vaporization-type heating device comprising a thermoelectric converter.
REFERENCES:
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patent: 2548830 (1951-04-01), Thomas et al.
patent: 3106956 (1963-10-01), Smith et al.
patent: 3152634 (1964-10-01), Schotsman
patent: 3632284 (1972-01-01), Reichhelm
patent: 4193755 (1980-03-01), Guarnaschelli et al.
patent: 4843273 (1989-06-01), Dammers et al.
Carmine Luciani & Thomas L. Nystrom, A Thermoelectric Heater for Low Temperature Operation of Military Vehicles, Sep. 1980, Controls International B.V. Brochure (Undated).
Jones Larry
Teledyne Isotopes, Inc.
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