COUNTER-FLOW HEAT REDUCTION CYCLE

Systems and methods for counter-flow heat reduction cycles are disclosed. Embodiments may include a gas furnace having a combustion air pipe, an exhaust air pipe, and a heat exchanger coupled to the combustion air pipe and the exhaust air pipe, the heat exchanger having a heat exchanger tube and an...

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Bibliographische Detailangaben
Hauptverfasser:	Whalen, Nathan, Farley, Darryl
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES HEATING LIGHTING MECHANICAL ENGINEERING REGULATING OR CONTROLLING COMBUSTION WEAPONS
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Beschreibung
Zusammenfassung:	Systems and methods for counter-flow heat reduction cycles are disclosed. Embodiments may include a gas furnace having a combustion air pipe, an exhaust air pipe, and a heat exchanger coupled to the combustion air pipe and the exhaust air pipe, the heat exchanger having a heat exchanger tube and an induced draft blower configured to direct air toward the heat exchanger tube, where the air flows over the heat exchanger tube and into the exhaust air pipe. The gas furnace may include a controller configured to determine a call for heat, activate the induced draft blower during a normal heating operation, determine that the call for heat is no longer present, determine that at least 70 seconds have elapsed since determining that the call for heat is no longer present, and deactivate the induced draft blower.