Liquid heaters and vaporizers – Stand boiler – Fluid fuel burner
Patent
1987-03-30
1988-05-10
Warner, Steven E.
Liquid heaters and vaporizers
Stand boiler
Fluid fuel burner
122 14, 122 44A, 122 49, 122136R, 126350R, 431158, G22B 500
Patent
active
047428007
ABSTRACT:
A water heater having improved efficiency. The water heater includes a tubular member that is mounted in an opening in the side of the tank and extends generally horizontally across the tank. The tubular member defines a combustion chamber and a fuel burner is located within the combustion chamber. The outer end of the tubular member communicates with the atmosphere and air is drawn into the tubular member and mixed with fuel to provide a mixture which is ignited. The waste gases of combustion are discharged from the inner end of the tubular member into a heat exchanger which is located in the tank beneath the tubular member, and the hot waste gases being discharged from the combustion chamber and passing through the heat exchanger transfer heat to the water in the tank. The heat exchanger is connected to a stack and a blower is mounted in the stack downstream of the heat exchanger and serves to draw the waste gases of combustion from the combustion chamber through the heat exchanger to the stack.
REFERENCES:
patent: 2674981 (1954-04-01), Clarkson
patent: 3007457 (1961-11-01), Ospelt
patent: 3132683 (1964-05-01), Meyer
patent: 3369587 (1968-02-01), Taubmann
patent: 3485566 (1969-12-01), Schoppe
patent: 3720497 (1973-03-01), Arenson
A. O. Smith Corporation
Warner Steven E.
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