Gas burning apparatus

Details Gas burning apparatus Gas burning apparatus

1975-02-03

1977-06-14

Dority, Jr., Carroll B.

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

126350R, 431328, F24H 100

Patent

active

040294510

ABSTRACT:
A liquid conducting heat exchanger is mounted above a combustion zone burning combustible gas supplied by a fan through a combustible gas and air mixing chamber and a plurality of separate burner units spaced adjacent to the combustion zone. Each burner unit is specially designed to provide a gas conducting channel of diminishing cross-sectional area which conducts gas from the mixing chamber to a perforated screen so that gas is supplied to the combustion zone at a velocity greater than the rate of burning by the flame. Each perforated screen provides a convex surface facing the combustion zone while a first screen edge is movably retained within a recess for permitting thermal screen expansion and contraction while the remaining screen side edges are connected to a housing by a gas impervious seal. Each burner unit includes an outwardly extending lip which provides a removably sealing connection with the mixing chamber housing.

REFERENCES:
patent: 2980104 (1961-04-01), Patrick et al.
patent: 3111942 (1963-11-01), Miller
patent: 3199568 (1965-08-01), Baumanns et al.
patent: 3265057 (1966-08-01), Horne
patent: 3515123 (1970-06-01), Duncan
patent: 3809061 (1974-05-01), Gerstmann
patent: 3857670 (1974-12-01), Karlovetz et al.
patent: 3936003 (1976-02-01), Hapgood et al.
patent: 3941116 (1976-03-01), Placek

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