Shroud for the roots of variable stator vanes in the high-pressure compressor of a gas turbine
AssigneeRolls-Royce Deutschland Ltd & Co KG
InventorNorbert Wolf
Life of this patent
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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.
Claims20
A cover for a shroud segment for the support of vane roots of variable stator vanes in a high-pressure compressor of a gas turbine;
- comprising:
- an annular body constructed and arranged to be positioned in an axially open annulus of the shroud segment, the annular body including a plurality of assembly openings that are positioned to align with a plurality of assembly holes in the shroud segment;
- and
- a plurality of tubular supports positioned to align with the plurality of assembly openings respectively and to extend from the annular body toward the assembly holes in the shroud segment.
Dependencies are inferred from the claim text.