Flat type gas burner, more particularly for household appliances

Details Flat type gas burner, more particularly for household appliances Flat type gas burner, more particularly for household appliances

1986-01-10

1987-09-01

Green, Randall L.

Combustion

Mixer and flame holder

126 39E, 481801, F23D 1462

Patent

active

046906363

ABSTRACT:
A flat burner is provided, for household appliances, having a burner body (2) with an axial gas delivery passage (4) housing a gas injector and with a cap (8) resting on the body (2) through an annular ring (9) having flame orifices (12), an annular transversal convergent-divergent system being defined by the annular surface (11) of the body (2) bordering the passage (4) and the opposite surface (10) of the cap, in which: the diameter (D.sub.E) of the passage (4) is D.sub.E =D.sub.c .multidot.K.sub.3 with K.sub.3 =1.10 to 1.43 and D.sub.c =the diameter equivalent to that of the venturi of the convergent-divergent D.sub.c =D.sub.i .multidot.K.sub.4 with K.sub.4 =12.5 to 22 and D.sub.i =diameter of the injector for butane gas; the angle (.alpha.) of the convergent-divergent system is between 3.degree. and 8.degree.); the length of the divergent system is ##EQU1## with D.sub.1 the outer diameter of the ring; and mechanical means are provided for setting the diameter D.sub.c as a function of the gas used.

REFERENCES:
patent: 3825404 (1974-07-01), de Gouville
patent: 4165963 (1979-08-01), Nozaki
patent: 4565523 (1986-01-01), Berkelder

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