Fan Assemblies, Mechanical Draft Systems and Methods
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United States of America Patent
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app pub date -
May 4, 2009
filing date -
Mar 6, 2003
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Abandoned
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Abstract
Fan assemblies, mechanical draft systems and methods are provided. In this regard, a representative mechanical draft system for use with multiple appliances includes: a chimney operative to direct combustion products from multiple appliances; a chimney fan operative to draw combustion products from the chimney; and a controller operative to adjust an operating speed of the chimney fan such that, responsive to a change in pressure in the chimney, the controller adjusts the operating speed of the chimney fan to maintain a desired pressure in the chimney.
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