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发明申请
US20140041357A1 EXHAUST DIFFUSER INCLUDING FLOW MIXING RAMP FOR A GAS TURBINE ENGINE 有权
排气发动机，包括用于燃气涡轮发动机的流量混合器

  • 专利标题： EXHAUST DIFFUSER INCLUDING FLOW MIXING RAMP FOR A GAS TURBINE ENGINE
  • 专利标题（中）： 排气发动机，包括用于燃气涡轮发动机的流量混合器
  • 申请号： US14053642
    申请日： 2013-10-15
  • 公开(公告)号： US20140041357A1
    公开(公告)日： 2014-02-13
  • 发明人: Anthony J. Malandra , John A. Orosa
  • 申请人： Anthony J. Malandra , John A. Orosa
  • 主分类号： F01D25/30
  • IPC分类号： F01D25/30
EXHAUST DIFFUSER INCLUDING FLOW MIXING RAMP FOR A GAS TURBINE ENGINE
摘要：
A turbine exhaust diffuser for a gas turbine engine. The diffuser includes a flow ramp positioned on an ID flowpath boundary within a flowpath of the diffuser. The flow ramp extends circumferentially about the hub and includes a downstream, radially outward point that extends radially outward further from the ID flowpath boundary than an upstream, radially outward point that is positioned upstream from the downstream, radially outward point. A wavy portion is located at the downstream, radially outward point of the flow ramp. The wavy portion includes a circumferentially extending, undulating surface defined by alternating axially extending crests and troughs.
摘要（中）：

一种用于燃气涡轮发动机的涡轮机排气扩散器。 扩散器包括位于扩散器的流路内的ID流路边界上的流动斜坡。 所述流动斜坡围绕所述轮毂周向延伸，并且包括从位于所述ID流路边界的径向向外延伸的下游径向外部点，所述下游径向向外点位于比所述下游径向向外点的上游位置的上游径向向外点。 波纹部分位于流动斜坡的下游径向向外的点。 波浪形部分包括由交替的轴向延伸的波峰和波谷限定的周向延伸的起伏的表面。

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