Shroud for the roots of variable stator vanes in the high-pressure compressor of a gas turbine
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United States of America Patent
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Sep 14, 2004
Grant Date -
Jun 19, 2003
app pub date -
Dec 12, 2002
filing date -
Dec 13, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shroud for the support of vane roots 1 of variable stator vanes 2 in the high-pressure compressor of a gas turbine includes a forward shroud segment 3 and a rearward shroud segment 4, each with an axially open annulus 5 forming an essentially U-shaped cross-section and with a plurality of axial assembly holes 6, wherein an annular cover 7 is arranged in the area of the opening of the annulus 5 which is provided with assembly openings 8 and tubular supports 9 are provided in the area between the assembly openings 8 of the cover 7 and the associated assembly hole 5 of the shroud segments 3, 4.
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