Gas Turbine Combustor and Fuel Nozzle Manufacturing Method

There is provided a gas turbine combustor which includes a fuel nozzle which is high in damping performance against vibration stress caused by unstable combustion, in the gas turbine combustor which includes the fuel nozzle which is molded by 3D additive manufacturing. In the gas turbine combustor w...

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Bibliographische Detailangaben
Hauptverfasser:	KUMAGAI, Satoshi, NAGANO, Kota, OTA, Atsuo
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CASTING COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WEAPONS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	There is provided a gas turbine combustor which includes a fuel nozzle which is high in damping performance against vibration stress caused by unstable combustion, in the gas turbine combustor which includes the fuel nozzle which is molded by 3D additive manufacturing. In the gas turbine combustor which includes the fuel nozzle which is molded by the 3D additive manufacturing, the fuel nozzle has a first region on which metal powders are sintered and a second region which is surrounded by the first region and on which the metal powders are not sintered.