Shroud configuration Angled seal
2008
There is provided a stator segment (10, 100) includes an outer shroud (212) having a Vorderkantennut and a Hinterkantennut (222); and a plurality of inner shrouds (214), each of which has a leading edge hook and a trailing edge hook (218), wherein the leading and trailing edge hooks of each inner band to communicate respectively with the leading edge and Hinterkantennuten of the outer shroud into engagement so as to axially and radially retain the inner shrouds at the outer shroud. At least one element of the trailing edge hooks (218) of the inner shroud (214) and the Hinterkantennut (222) of the outer shroud (212) includes an inclined surface (220, 242), on the one at an angle to an axial direction of the rotor and radial direction of the rotor is arranged, and the other facing of the inner and outer shrouds, whereby a radially inward force on the inner band in a force in the axial and radial directions is converted to force the inner band, close-fitting a radial gap between the inner and outer shrouds (212, 214) seal.
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