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    • 2. 发明专利
    • High strength crossover manifold and joining method
    • 高强度绞车管道和接头方法
    • JP2011085383A
    • 2011-04-28
    • JP2010229216
    • 2010-10-12
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • STOIA LUCAS JOHN
    • F23R3/28F02C7/00
    • F23R3/60F23R3/48F23R2900/00017Y10T29/49229
    • PROBLEM TO BE SOLVED: To provide a high strength crossover manifold and a joining method used for a gas turbine fuel nozzle. SOLUTION: Within a secondary fuel nozzle (38), a plurality of tubular bodies (48, 50, 52, 62) axially extending downstream define passages (54, 56, 60, 64) operable to allow a flow of fluid to flow through each of the passages (54, 56, 60, 64) and the passages (54, 56, 60, 64) include the outermost tertiary passage (54) and a radially inward secondary fuel passage (56). A fuel peg (40) extending radially outwardly from the axially extending tubular bodies (48, 50, 52, 62) emits fluid radially outwardly therefrom. The crossover manifold (58) attached to the fuel peg (40) and in fluid communication with the radially inward secondary fuel passage (56) and the fuel peg (40) is attached to the corresponding tubular bodies (48, 50, 52) defining the tertiary passage (54) and the radially inward secondary fuel passage (56) by butt welding (66). COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于燃气轮机燃料喷嘴的高强度交叉歧管和接合方法。 解决方案:在次级燃料喷嘴(38)内,在下游轴向延伸的多个管状体(48,50,52,62)限定通道(54,56,60,64),其可操作以允许流体流动 流过每个通道(54,56,60,64)并且通道(54,56,60,64)包括最外面的第三通道(54)和径向向内的副燃料通道(56)。 从轴向延伸的管状体(48,50,52,62)径向向外延伸的燃料栓(40)从其径向向外发射流体。 附接到燃料栓(40)并与径向向内的副燃料通道(56)和燃料栓(40)流体连通的交叉歧管(58)附接到相应的管状体(48,50,52),所述管状体 第三通道(54)和径向向内的二次燃料通道(56)通过对接焊接(66)。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Fuel nozzle for turbine engine with passive purge air passageway
    • 燃油喷嘴用于无人驾驶空气通风的涡轮发动机
    • JP2011140952A
    • 2011-07-21
    • JP2010289834
    • 2010-12-27
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • INTILE JOHNPOPOVIC PREDRAGSTOIA LUCAS JOHN
    • F02C7/18F02C7/22F23R3/06F23R3/12F23R3/16
    • F23R3/283F23D2209/30F23D2214/00
    • PROBLEM TO BE SOLVED: To provide a fuel nozzle such that the nozzle itself is not subjected to extremely high temperatures, because as for a fuel nozzle for a turbine engine, during some turbine operational conditions, purge air passageways of the fuel nozzle are temporarily prevented from conducting a flow of cooling air, and in those situations, portions of the fuel nozzles adjacent combustion zones are likely to be subjected to extremely high temperatures that can damage the fuel nozzles.
      SOLUTION: A second fuel nozzle 100 for the turbine includes a passive purge air passageway 110 for providing purge air to the second fuel nozzle 100 when the nozzle is in operation. The passive purge air passageway 110 draws in air from a location 162 adjacent an upstream end of the nozzle. Because of a pressure differential between air located at the downstream end of the nozzle and air located at the upstream end of the nozzle, purge air will run through the passive purge air passageway at all times when the nozzle is in operation. There is no need for a supply of compressed purge air.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种燃料喷嘴,使得喷嘴本身不受到极高的温度,因为对于用于涡轮发动机的燃料喷嘴,在一些涡轮机操作条件期间,燃料喷嘴的吹扫空气通道 临时防止冷却空气流动,在这些情况下,邻近燃烧区域的燃料喷嘴的部分容易受到可能损坏燃料喷嘴的极高温度的影响。 用于涡轮机的第二燃料喷嘴100包括被动吹扫空气通道110,用于在喷嘴运行时向第二燃料喷嘴100提供净化空气。 被动吹扫空气通道110从邻近喷嘴的上游端的位置162吸入空气。 由于位于喷嘴下游端的空气和位于喷嘴上游端的空气之间的压力差,当喷嘴运行时,净化空气将始终穿过被动吹扫空气通道。 不需要供应压缩的吹扫空气。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Enhancement for fuel injector
    • 燃油喷射器增强
    • JP2014095546A
    • 2014-05-22
    • JP2013227816
    • 2013-11-01
    • General Electric Co ゼネラル・エレクトリック・カンパニイ
    • STOIA LUCAS JOHNBOARDMAN GREGORY ALLENCHEN WEI
    • F23R3/16F02C7/232F23R3/12F23R3/20F23R3/30
    • F02C7/22F23R3/28F23R3/34
    • PROBLEM TO BE SOLVED: To increase a degree of mixing of combustible materials to achieve completed combustion processes.SOLUTION: A fuel injector 30 is provided and includes a surface 31 disposed proximate to a flow 32 of a first fluid, and a delta wing feature 33. The surface 31 has an upstream portion 34 and a downstream portion 35 defined relative to the flow and defines an injector hole 36 in the downstream portion 35, the hole 36 permitting a jet of a second fluid to be injected into the flow 32. The delta wing feature 33 is disposed on the surface 31 at the upstream portion 34 and is configured to lift an oncoming portion of the flow 32 off the surface 31 and to cause the oncoming portion of the flow 32 to form a pair of counter-rotating vortices that respectively rotate with the jet 37 in a cross-flow direction.
    • 要解决的问题:增加可燃材料的混合程度以实现完成的燃烧过程。解决方案:设置燃料喷射器30并且包括靠近第一流体的流32设置的表面31和三角翼特征33 表面31具有相对于流动限定的上游部分34和下游部分35,并且在下游部分35中限定了喷射器孔36,孔36允许将第二流体的射流注入到流动部分32中。 三角翼部件33在上游部分34处设置在表面31上,并且构造成将流动物体32的迎面的部分从表面31提升,并且使得流动部分32的迎面的部分形成一对反向旋转涡流 其分别与喷射器37在横流方向上旋转。