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    • 1. 发明专利
    • Turbomachine injection nozzle assembly
    • 涡轮喷射喷嘴组件
    • JP2011237168A
    • 2011-11-24
    • JP2011095573
    • 2011-04-22
    • General Electric Co ゼネラル・エレクトリック・カンパニイ
    • JOHNSON RICHARD WILLIAMROMIG BRYAN WESLEY
    • F23R3/14F23R3/18
    • F23R3/14F23R3/286
    • PROBLEM TO BE SOLVED: To provide a combustor swirler capable of uniformizing the velocity distribution of the downstream of the swirler and lowering NOx emission.SOLUTION: A turbomachine includes a compressor, a turbine, a combustor operatively coupled to the compressor and the turbine, and an injection nozzle assembly 38 mounted in the combustor. The injection nozzle assembly 38 includes a swirler member 74 for conditioning a fluid flow passing through the injection nozzle assembly 38. The swirler member 74 includes a hub portion 84, a plurality of vanes 86 that extend from the hub portion 84, and at least one flow conditioning band 94, 95. The at least one flow conditioning band 94, 95 extends around the hub portion 84 and between the plurality of vanes 86 to provide a localized flow impediment within the injection nozzle assembly 38.
    • 要解决的问题:提供能够使旋流器下游的速度分布均匀化并降低NOx排放的燃烧器旋流器。 解决方案:涡轮机包括压缩机,涡轮机,可操作地联接到压缩机和涡轮机的燃烧器,以及安装在燃烧器中的喷嘴组件38。 注射喷嘴组件38包括用于调节通过喷嘴组件38的流体流的旋流器构件74.旋流器构件74包括毂部分84,从轮毂部分84延伸的多个叶片86和至少一个 流动调节带94,95。至少一个流动调节带94,95围绕毂部分84延伸并且在多个叶片86之间延伸,以在喷嘴组件38内提供局部流动障碍。版权所有(C) )2012,JPO&INPIT
    • 4. 发明专利
    • System and method for recirculating hot gas flowing through gas turbine
    • 通过气体涡轮再循环热气的系统和方法
    • JP2013194734A
    • 2013-09-30
    • JP2013050202
    • 2013-03-13
    • General Electric Co ゼネラル・エレクトリック・カンパニイ
    • MORGAN VICTOR JOHNBRUNT THOMAS JAMESJOHNSON RICHARD WILLIAM
    • F02C7/28F01D25/00F02C7/18F23R3/42
    • F01D9/023F23R2900/00012
    • PROBLEM TO BE SOLVED: To provide an improved system and method for recirculating a hot gas ingested into a gap.SOLUTION: A system for recirculating a hot gas flowing through a gas turbine includes a transition piece having a downstream surface, a stationary nozzle having a leading edge surface adjacent to the transition piece downstream surface, a gap defined between the transition piece downstream surface and the stationary nozzle leading edge surface, and a projection having an inner arcuate surface radially separated from an outer surface. The projection generally extends from the stationary nozzle leading edge surface towards the transition piece downstream surface and at least partially decreases the gap. A seal extends across the gap, and may be in contact with the transition piece and the stationary nozzle leading edge surface. A recirculation zone may be at least partially defined between the projection inner arcuate surface, the stationary nozzle leading edge surface and the transition piece downstream surface.
    • 要解决的问题:提供一种改进的系统和方法,用于再循环摄取到间隙中的热气体。解决方案:用于使流过燃气涡轮机的热气体再循环的系统包括具有下游表面的过渡件,具有 与过渡件下游表面相邻的前缘表面,限定在过渡件下游表面和固定喷嘴前缘表面之间的间隙,以及具有与外表面径向分离的内弧形表面的突起。 突出部分大体上从固定喷嘴前缘表面延伸到过渡件下游表面并且至少部分地减小间隙。 密封件跨过间隙延伸,并且可以与过渡件和固定的喷嘴前缘表面接触。 再循环区域可以至少部分地限定在突出内弧形表面,固定喷嘴前缘表面和过渡件下游表面之间。