A combustor cap for a combustor chamber of a combustion system is provided. The combustor cap includes a plate member including: a plurality of openings for accommodating a plurality of fuel nozzles of the combustion system; a cooling passage extending through a plane of the plate member; an entranc
A combustor cap for a combustor chamber of a combustion system is provided. The combustor cap includes a plate member including: a plurality of openings for accommodating a plurality of fuel nozzles of the combustion system; a cooling passage extending through a plane of the plate member; an entrance opening to the cooling passage; and an exit opening from the cooling passage to a side of the plate member opposite to the combustion chamber.
대표청구항▼
1. A combustor cap for a combustor chamber of a combustion system, the combustor cap comprising: a plate member including: a plurality of openings for accommodating a plurality of fuel nozzles of the combustion system;a cooling passage extending through a plane of the plate member;an entrance openin
1. A combustor cap for a combustor chamber of a combustion system, the combustor cap comprising: a plate member including: a plurality of openings for accommodating a plurality of fuel nozzles of the combustion system;a cooling passage extending through a plane of the plate member;an entrance opening to the cooling passage; andan exit opening from the cooling passage to a side of the plate member opposite to the combustion chamber. 2. The combustor cap of claim 1, wherein the entrance opening is configured to be fluidly communicative with a feed passage carrying a cooling fluid from a compressor discharge of a compressor of the combustion system. 3. The combustor cap of claim 2, wherein the exit opening is configured to be fluidly communicative with an exit passage carrying the cooling fluid to a chamber between a combustion casing and a nozzle shroud of the combustion system. 4. The combustor cap of claim 2, wherein the exit opening is configured to be fluidly communicative with an exit passage carrying the cooling fluid to a burner tube of at least one of the plurality of nozzles of the combustion system. 5. The combustor cap of claim 1, wherein the entrance opening is configured to be fluidly communicative with a feed passage carrying a cooling fluid from a chamber between a flow sleeve and a combustor liner of the combustion system. 6. The combustor cap of claim 5, wherein the exit opening is configured to be fluidly communicative with a passage carrying the cooling fluid to a burner tube of at least one of the plurality of nozzles of the combustion system. 7. The combustor cap of claim 1, wherein each of the entrance opening and the exit opening is positioned in a face of the plate member within a nozzle shroud of the combustion system. 8. The combustor cap of claim 1, wherein the cooling passage extends through the plane of the plate member so as to pass between the plurality of openings. 9. The combustor cap of claim 1, wherein the cooling passage includes at least a portion that extends through the plane of the plate member in a substantially serpentine manner. 10. The combustor cap of claim 1, wherein the cooling passage includes a plurality of cooling passages, each cooling passage including an entrance opening and an exit opening to the respective cooling passage. 11. The combustor cap of claim 1, further comprising a thermal barrier coating on the plate member. 12. A combustion system comprising: a combustion casing;a flow sleeve within the casing and surrounding a combustor liner defining a combustion chamber;a plurality of fuel nozzles for providing a fuel-air mixture to the combustor liner; anda combustor cap for the combustor liner, the combustor cap including a plate member, the plate member including: a plurality of openings for accommodating the plurality of fuel nozzles,a cooling passage extending through a plane of the plate member,an entrance opening to the cooling passage, andan exit opening from the cooling passage to a side of the plate member opposite to the combustion chamber. 13. The combustion system of claim 12, wherein the entrance opening is fluidly communicative with a feed passage carrying a cooling fluid from a compressor discharge of a compressor of the combustion system. 14. The combustion system of claim 13, wherein the exit opening is fluidly communicative with an exit passage carrying the cooling fluid to a chamber between a combustion casing and a nozzle shroud of the combustion system. 15. The combustion system of claim 13, wherein the exit opening is fluidly communicative with an exit passage carrying the cooling fluid to a burner tube of at least one of the plurality of nozzles of the combustion system. 16. The combustion system of claim 12, wherein the entrance opening is fluidly communicative with a feed passage carrying a cooling fluid from a chamber between the flow sleeve and the combustor liner of the combustion system. 17. The combustion system of claim 16, wherein the exit opening is fluidly communicative with an exit passage carrying the cooling fluid to a burner tube of at least one of the plurality of nozzles of the combustion system. 18. The combustion system of claim 12, wherein each of the entrance opening and the exit opening is positioned in a face of the plate member within a nozzle shroud of the combustion system. 19. The combustion system of claim 12, wherein the cooling passage extends through the plane of the plate member so as to pass between the plurality of openings. 20. The combustion system of claim 12, wherein the cooling passage includes at least a portion that extends through the plane of the plate member in a substantially serpentine manner. 21. The combustor system of claim 12, wherein the cooling passage includes a plurality of cooling passages, each cooling passage including an entrance opening and an exit opening to the respective cooling passage. 22. The combustion system of claim 12, further comprising a thermal barrier coating on the plate member. 23. A non-transitory computer readable storage medium storing code representative of a combustor cap for a combustion system, the combustor cap physically generated upon execution of the code by a computerized additive manufacturing system, the code comprising: code representing the combustor cap, the combustor cap including:a plate member including: a plurality of openings for accommodating a plurality of fuel nozzles of the combustion system;a cooling passage extending through a plane of the plate member;an entrance opening to the cooling passage; andan exit opening from the cooling passage to a side of the plate member opposite to the combustion chamber. 24. The storage medium of claim 23, wherein the cooling passage extends through the plane of the plate member so as to pass between the plurality of openings. 25. The storage medium of claim 23, wherein the cooling passage includes at least a portion that extends through the plane of the plate member in a substantially serpentine manner. 26. The storage medium of claim 23, wherein the cooling passage includes a plurality of cooling passages, each cooling passage including an entrance opening and an exit opening to the respective cooling passage.
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