| 摘要 |
A burner that can receive fuel from a conduit and air, and can discharge a fuel/air mixture for combustion at a periphery of the burner, includes first and second plates constructed and arranged so as to form a central chamber. A plurality of burner ports extend outwardly of the chamber. A venturi nozzle includes a first inlet end portion which is disposed adjacent to the conduit and a second end porti on which is spaced apart from the first end portion and disposed near the secon d plate. The venturi nozzle includes an internal passageway of decreasing cross- sectional area between the first end portion and the second end portion in a direction of fuel flow. Also featured is a method of operating such a burner.
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