FURNACE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Feb 6, 2024
filing date -
Aug 25, 2016
priority date (Note) -
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Abstract
A furnace including a combustion chamber for burning fuel can have increased fuel burning efficiency, increased heating efficiency, and decreased harmful emissions of combustion byproducts. A combustion air delivery system delivers primary and secondary combustion air to the combustion chamber. Primary and secondary combustion air may be delivered at amounts that increase burning efficiency. An amount of secondary combustion air can be controlled by a valve system. A heat transfer device efficiently transfers heat from products of combustion for heating an enclosed space.
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