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    • 9. 发明申请
    • GAS TURBINE WITH ANNULAR HEAT SHIELD
    • 具有环形热风罩的气体涡轮机
    • US20090033036A1
    • 2009-02-05
    • US12189976
    • 2008-08-12
    • Peter MarxJames Robert WiseMarcel Koenig
    • Peter MarxJames Robert WiseMarcel Koenig
    • F01D11/00
    • F01D11/005F01D11/00F05D2240/57F05D2250/70F16J15/0887
    • A gas turbine includes a supporting structure which concentrically surrounds a hot gas path and is shielded with respect to the hot gas path by an annular heat shield (15′), which heat shield (15′) includes a multiplicity of segments which are arranged one behind the other in a circumferential direction and which in each case butt against one another in the circumferential direction so as to form a gap, seals (16′), being arranged for sealing off the gaps between the segments butting against one another, the seals having thin elongate sealing strips (23), which are accommodated in corresponding sealing slots (19), delimited transversely with respect to the longitudinal direction by a wall (25), in the mutually opposite end faces of the segments of the heat shield (15′) which butt against one another. Vibrationally-induced rubbing through of the wall is inhibited or prevented by the frictional surface between the wall (25) and the sealing strips (23) being markedly enlarged with respect to the end face (22) of the sealing strip (23).
    • 一种燃气轮机包括一个支撑结构,该支撑结构同心地围绕热气体路径,并通过一个环形隔热罩(15')相对于热气路径进行屏蔽,该隔热罩(15')包含多个段, 在圆周方向上彼此相对并且在每个情况下在圆周方向上彼此对接以形成间隙,密封件(16')被设置用于密封彼此对接的部分之间的间隙,密封件 具有细长的密封条(23),其被容纳在相应的密封槽(19)中,在隔热件(15)的段的相互相对的端面中通过壁(25)横向相对于纵向方向限定 ')彼此对接。 通过壁(25)和密封条(23)之间的摩擦表面相对于密封条(23)的端面(22)显着地增大,可以抑制或阻止振动引起的壁的摩擦。