Combustion – Adjunctive – relatively low velocity – flame maintaining fuel...
Patent
1988-10-07
1990-08-07
Price, Carl D.
Combustion
Adjunctive, relatively low velocity, flame maintaining fuel...
431263, 431264, 431354, 60 39826, F23D 1470, F23D 1400
Patent
active
049463845
ABSTRACT:
A gas pilot-igniter is used for igniting combustible gases in a burner, particularly high velocity gas streams. The gas pilot-igniter includes an air inlet manifold for supplying air under pressure to a mixing venturi, a fuel gas manifold for directing fuel into the venturi for primary mixing with air, and a pre-combustion chamber in a main combustion chamber. The pre-combustion chamber is formed by a baffle placed in the path of the flow stream of the fuel/air mixture for creating turbulence and secondary mixing. In addition, the baffle guides the fuel/air mixture to an igniter, such as a spark plug, for igniting the fuel/air mixture to produce a pre-combustion flame. The fuel/air mixture also flows around sides of the baffle and into the main combustion chamber where it is ignited by the pre-combustion flame, producing a constantly regenerated pilot flame which exits a pilot output nozzle to ignite the main burner fuel/air mixture.
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