Premixing nozzle, combustor, and gas turbine

Details Premixing nozzle, combustor, and gas turbine Premixing nozzle, combustor, and gas turbine

2008-04-22

2008-04-22

Casaregola, L. J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S748000

Reexamination Certificate

active

10415649

ABSTRACT:
A premixing nozzle includes swirler blades for agitating combustion air inside a nozzle body. Each one end of the swirler blades is fitted to the nozzle body, and the other end is connected to a hub, respectively. The tip portion of a fuel nozzle shaft is conical, and a part of the tip portion is arranged inside the hub. A combustion gas flows into the hub from a space between the tip portion of the fuel nozzle shaft and the upstream end of the hub, passes through between the tip portion and the inner peripheral surface of the hub, and flows toward the downstream of the hub.

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