Hot-water boiler of the direct-heating type

Stoves and furnaces – Liquid heater – Fluid fuel burner for other than top-accessible vessel

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122 20A, F24H 120

Patent

active

041413431

ABSTRACT:
A hot-water boiler of the direct-heating type basically comprising a combustion chamber and a heat-exchange chamber which encircles the lower half part of the combustion chamber and which has a number of reticulate plates therein. Combustion gas generated in the combustion chamber effuses into the heat-exchange chamber where water to be boiled is stored. The combustion gas goes through the water in the heat-exchange chamber and is broken up into smaller bubbles by the reticulate plates; thereby facilitating a prompt and efficient heat-exchange between the gas and water.

REFERENCES:
patent: 2233675 (1941-03-01), Narten
patent: 2721607 (1955-10-01), Damon et al.
patent: 3131335 (1964-04-01), Berglund et al.
patent: 3170479 (1965-02-01), Mueller
patent: 3956760 (1976-05-01), Edwards
patent: 3994281 (1976-11-01), Godart

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