Combustion control with temperature compensation
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United States of America Patent
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Jan 10, 2006
Grant Date -
Oct 28, 2004
app pub date -
Apr 25, 2003
filing date -
Apr 25, 2003
priority date (Note) -
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Abstract
Combustion control systems for maintaining a selected fuel-air ratio for a combustion apparatus supplied with air at a substantially constant volumetric rate are improved by means for adjusting the flow rate of fuel in relation to temperature fluctuations of the air. A temperature sensor positioned in the air stream before it mixes with the fuel is connected to a converter which transmits converted temperature signals from the sensor as adjustments of a remote control-flow regulator in the fuel line or in the air stream. Thus, if the flow regulator is in the fuel line, a drop in air temperature will cause an increase of the fuel flow rate. Conversely, a rise in air temperature will result in a reduced fuel flow rate. If the flow regulator is in the air stream, a drop in air temperature will cause a decrease in the air flow rate, while a rise in air temperature will result in increased air flow rate. The invention is also applicable to temperature variations of the fuel by using the three basic components: a temperature sensor, a converter and a remote control-flow regulator.
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