Stoves and furnaces – Liquid heater – Fluid fuel burner for other than top-accessible vessel
Patent
1985-09-16
1987-05-12
Green, Randall L.
Stoves and furnaces
Liquid heater
Fluid fuel burner for other than top-accessible vessel
126361, 122 17, 122 14, 122448R, 236 1G, 236 25R, 236 45, F24H 100
Patent
active
046640967
ABSTRACT:
An oil and gas fueled hot water heater system having improved efficiency and performance embodies air and fuel regulator valves, water and air supply jackets, cold and hot water insulating check valves, and flow directors and restrictors for the hot combustion gas generated by the heater burner which gas passes through a central flue in a water storage tank and is then exhausted through an exhaust vent to atmosphere. The air and fuel regulator valves are non-electrically controlled and are responsive to water demand requirements for improved heater efficiency and performance. The water supply jacket closely surrounds the central flue and receives supply water at the top thereof and discharges same to the bottom of the storage tank thereby increasing the heat transfer characteristics of the heater. The air supply jacket surrounds the exhaust vent and air is drawn in through the top of the jacket along the exhaust vent for preheating and then is directed to the burner to support combustion.
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