High efficiency combustion heater

Details High efficiency combustion heater High efficiency combustion heater

1987-06-01

1988-02-02

Dority, Jr., Carroll B.

Stoves and furnaces

Heaters

Lunch

126262, 126 9R, 126 15R, A47G 2304

Patent

active

047223227

ABSTRACT:
A furnace or furnace-and-pot heating system comprises an inner shell, an outer shell surrounding the inner shell to form a duct between the two shells for preheating combustion air flowing down the duct to enter a combustion chamber within the inner shell. A container or pot for heating material such as water or foodstuffs may be supported inside the inner shell and above a combustion zone, such pot to be of diameter to form with the inner shell an annular flue for escape of combustion products. Draft control means are provided to regulate the amount of combustion air entering the combustion chamber.

REFERENCES:
patent: 2502434 (1950-04-01), Creitz
patent: 4368727 (1983-01-01), Higgins et al.

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