Gaseous fuel burner with reduced velocity flame generating ports

Details Gaseous fuel burner with reduced velocity flame generating ports Gaseous fuel burner with reduced velocity flame generating ports

1996-03-18

1999-06-29

Price, Carl D.

Combustion

Adjunctive, relatively low velocity, flame maintaining fuel...

431266, 431354, F23Q 300, F23D 1462

Patent

active

059159561

ABSTRACT:
A cast aluminum burner base has a tubular inlet communicating with a cavity formed in an enlarged diameter flange remote from the inlet. The cavity is closed by a cast aluminum cap registered against the base. The base and cap are each castellated along the parting line such that the castellations are interdigitated. Grooves having semi-circular cross sections and formed radially across the castellations and the spaces between and close on the parting line to form circular cross section primary flame-generating ports. The castellations on the cap are truncated and tapered to provide flame stabilizing passages adjacent alternate flame-generating ports. The grooves forming the primary flame generating ports are configured to preferably form a converging-diverging nozzle; and, the flame stabilizing passages are formed as a diverging nozzle, both for reducing flow velocity to pressurize flame separation.

REFERENCES:
patent: 1663339 (1928-03-01), Geurink et al.
patent: 2965165 (1960-12-01), Arnott et al.
patent: 3315725 (1967-04-01), Katz et al.
patent: 3874599 (1975-04-01), Roger
patent: 3992137 (1976-11-01), Streisel
patent: 5525056 (1996-06-01), Sutton

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