Method for modifying a compressor stator vane
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United States of America Patent
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Jul 26, 2011
Issued Date -
N/A
app pub date -
Oct 31, 2007
filing date -
Feb 22, 2002
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Abstract
A vane unit system having a plurality of vane units having at least one airfoil projecting from a base is modified by placing a hole in the base and receiving a pin which extends between adjacent bases of vane units. A series of modified bases form a rigid ring of vanes that are less susceptible to vane motion caused by pressure fluctuations within the compressor of a gas turbine. A blade assembly tool having a shape to fit within the slit in a casing that receives the vane units allows for the installation of vane units with interlocking pins without the necessity of having to remove the rotor from the casing.
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