Combustion – Process of combustion or burner operation – Controlling or proportioning feed
Patent
1986-05-05
1987-06-30
Favors, Edward G.
Combustion
Process of combustion or burner operation
Controlling or proportioning feed
110186, 110190, 110341, 236 15BD, F23N 100
Patent
active
046767347
ABSTRACT:
A means and method for optimizing the efficiency of combustion devices such as furnaces, boilers, ovens, stoves, and the like which automatically tests for and controls the amount of input air utilized by the combustion device to optimize combustion efficiency. The method constantly increases or decreases the amount of input air and monitors the output of the combustion device to see if the change in input air increases or decreases efficiency. If efficiency is increased, the amount of input air is continued to be changed in that direction. If the efficiency is decreased, the change of excess air is reversed. By continuously testing for optimal air fuel ratios, optimal efficiency is reached. The means to accomplish the method include an output monitor, an air input control means, and recording means for recording the output of the combustion device as it presently exists compared to its former reading. A math unit then compares the two readings and depending upon whether output is increased or decreased, utilizes a logic control to signal a switching means which sends a signal to either increase or decrease the input air to the air control means. The means and method can be utilized with combustion devices having variable fuel and air input, or with combustion devices which have a fixed fuel input or which must output at a fixed level.
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"Monitoring Powerplant Performance", Power, vol. 128, No. 9, Sep., 1986, pp. S1-S24.
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