System and method having multi-tube fuel nozzle with multiple fuel injectors
AssigneeGeneral Electric Company
InventorsJames Harold Westmoreland, Ronald James Chila, Gregory Allen Boardman, Patrick Benedict Melton
Life of this patent
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Abstract
A system includes a multi-tube fuel nozzle. The multi-tube fuel nozzle includes multiple fuel injectors. Each fuel injector is configured to extend into a respective premixing tube of a plurality of mixing tubes. Each fuel injector includes a body, a fuel passage, and multiple fuel ports. The fuel passage is disposed within the body and extends in a longitudinal direction within a portion of the body. The multiple fuel ports are disposed along the portion of the body and coupled to the fuel passage. A space is disposed between the portion of the body with the fuel ports and the respective premixing tube.
Claims20
A system comprising:
- a multi-tube fuel nozzle, comprising:
- a plurality of fuel injectors, wherein each fuel injector is configured to extend into a respective premixing tube of a plurality of mixing tubes, and each fuel injector comprises:
- a body;
- a fuel passage disposed within the body, wherein the fuel passage extends in a longitudinal direction within a portion of the body;
- and
- a plurality of fuel ports disposed along the portion of the body and coupled to the fuel passage, wherein a space is disposed between the portion of the body with the fuel ports and the respective premixing tube.
A system, comprising:
- a combustor end cover assembly;
- and
- a multi-tube fuel nozzle, comprising:
- a plurality of fuel injectors coupled to the combustor end cover assembly, wherein each fuel injector is configured to extend into a respective premixing tube of a plurality of premixing tubes, and each fuel injector comprises:
- an annular portion;
- a tapered portion downstream of the annular portion;
- a fuel passage extending through the annular portion;
- and
- a plurality of fuel ports coupled to the fuel passage, wherein the plurality of fuel ports is disposed in the annular portion, the tapered portion, or a combination thereof.
A system, comprising:
- a combustor end cover assembly;
- and
- a multi-tube fuel nozzle, comprising:
- a fuel injector coupled to the combustor end cover assembly, wherein the fuel injector is configured to extend into a premixing tube, and the fuel injector comprises:
- an annular portion;
- a tapered portion downstream of the annular portion;
- a fuel passage extending through the annular portion;
- and
- a plurality of fuel ports coupled to the fuel passage, wherein the plurality of fuel ports is disposed in the annular portion, the tapered portion, or a combination thereof.
Dependencies are inferred from the claim text.