Fuel-fired heating appliance with temperature-based fuel shutoff system

A gas-fired water heater is provided with a combustion shutoff system which precludes further combustion within the water heater's combustion chamber in response to a combustion temperature therein reaching a predetermined level correlated to and indicative of a predetermined, undesirably high...

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Bibliographische Detailangaben
Hauptverfasser:	ARCHIBALD THOMAS E, HOTTON BRUCE A, SCANLON JOHN H, LANNES ERIC M, ELDER GARY A, STRETCH GORDON W, DOSS GARRETT, MARTIN JAMES M, GORDON MICHAEL W, MEARS JAMES W, CAMPBELL JAMES T, KIDD LARRY D
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BURNERS COMBUSTION APPARATUS COMBUSTION PROCESSES FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES REGULATING OR CONTROLLING COMBUSTION VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A gas-fired water heater is provided with a combustion shutoff system which precludes further combustion within the water heater's combustion chamber in response to a combustion temperature therein reaching a predetermined level correlated to and indicative of a predetermined, undesirably high concentration of carbon monoxide present in the combustion chamber. In various illustrated embodiments thereof, the combustion shutoff system is operative to terminate further combustion air inflow to the combustion chamber, or terminate further fuel flow to the burner portion of the water heater.