DUAL-FED AIRFOIL TIP
    11.
    发明公开
    DUAL-FED AIRFOIL TIP 有权
    双翼飞机翼尖

    公开(公告)号:EP3196414A1

    公开(公告)日:2017-07-26

    申请号:EP17152351.7

    申请日:2017-01-20

    IPC分类号: F01D5/18 F01D5/30 F02C3/16

    摘要: An airfoil (201; 301; 401; 501) of a gas turbine engine is provided including a leading edge (212; 312) extending in a radial direction, a tip (232; 332; 432; 532) extending in an axial direction from the leading edge, a first rib (232; 332; 432; 532) extending radially within the airfoil, the leading edge and the first rib defining a leading edge cavity (220; 320; 420; 520) within the airfoil, a second rib (234; 334), the second rib and the first rib defining a serpentine cavity (228; 328; 428; 528) therein, a third rib (236; 336; 436; 536) extending axially within the tip, a flag tip cavity (226; 326; 426; 526) defined by the third rib, the leading edge, and the tip, the leading edge cavity fluidly connected to the flag tip cavity, and a bypass aperture (240; 340; 440; 540) formed between the first rib and the third rib, the bypass aperture configured to fluidly connect the serpentine cavity with the flag tip cavity.

    摘要翻译: 提供了一种燃气涡轮发动机的翼型件(201; 301; 401; 501),该翼型件包括在径向方向上延伸的前缘(212; 312),沿轴向方向延伸的尖端(232; 332; 432; 532) 所述前缘,在所述翼型中径向延伸的第一肋(232; 332; 432; 532),所述前缘和所述第一肋在所述翼型内限定出前缘腔(220; 320; 420; 520);第二肋 (234; 334),所述第二肋和所述第一肋在其中限定了蛇形腔(228; 328; 428; 528),在所述尖端内轴向延伸的第三肋(236; 336; 436; 536) 由所述第三肋,所述前缘和所述尖端限定的所述前缘腔(226; 326; 426; 526),所述前缘腔流体地连接至所述旗尖端腔;以及旁通孔(240; 340; 440; 540) 所述第一肋和所述第三肋,所述旁路孔配置成将所述蛇形腔与所述旗尖端腔流体连接。