Gas water heater/boiler

Details Gas water heater/boiler Gas water heater/boiler

1987-08-07

1988-12-27

Favors, Edward G.

Combustion

Porous, capillary, particulate or sievelike flame holder,...

Means supplying fuel for passage through the flame holding...

122 14, 122 18, 2395533, 239567, F23D 1412

Patent

active

047938005

ABSTRACT:
There is disclosed a gas-fired water heater/boiler apparatus with a unique burner assembly that provides high levels of BTU/hour input making it suitable for commercial installations. The gas burner includes a pair of superimposed tubes, each having evenly distributed perforations of a different uniform size, that are rolled flush together and provide a thick walled burner with greatly increased strength and resistance to premature failure while furnishing an optimum flame pattern. The gas burner projects into the interior of a vertical, cylindrical array of finned heat exhanger tubes through which the fluid to be heated is circulated. The water heater/boiler apparatus is compact and thermally insulated by a pressurized forehearth and may be installed on combustible floors or in closets with zero clearance.

REFERENCES:
patent: 1116912 (1914-11-01), Parisen
patent: 3204683 (1965-09-01), Ruff et al.
patent: 3324924 (1967-06-01), Hailstone et al.
patent: 3445175 (1969-05-01), Krieger
patent: 3601320 (1971-08-01), Du Plessis
patent: 4140100 (1979-02-01), Ishihara
patent: 4445464 (1984-05-01), Gerstmann et al.
patent: 4473034 (1984-09-01), Raudabaugh et al.

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