Heating apparatus and method

Details Heating apparatus and method Heating apparatus and method

1986-07-22

1988-09-06

Scott, Samuel

Stoves and furnaces

Hot-air furnaces

Combined with boiler

126360A, 122 55A, 237 19, 110215, F24D 900, F24H 120

Patent

active

047684950

ABSTRACT:
An apparatus for heating a liquid by circulating combustion products comprises a housing having a liquid-containing reservoir compartment and a burner compartment thereabove containing a fuel burner for burning a mixture of air and combustible gases, liquids or particulate solids. An electric motor mounted above the burner has a shaft extending downward into the liquid in the reservoir with an impeller on the lower end submerged in the liquid. Rotation of the impeller produces suction in the liquid drawing hot combustion gases into the liquid and disperses the same as hot gas bubbles which heat the liquid efficiently. A portion of the liquid is conducted from the reservoir and discharged close to the burner to cool the burning mixture. The heated liquid may be reycled through a hot water supply piping system for industrial usage. A coil submerged in the reservoir allows a second liquid to be heated thereby for use in a hot water supply system for residential or industrial usage.

REFERENCES:
patent: 2333497 (1943-11-01), Velander
patent: 2827893 (1958-03-01), Ribaudo et al.
patent: 4178907 (1979-12-01), Sweat, Jr.
patent: 4685444 (1987-08-01), Durrenberger

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