초록 ▼

A compressor stator vane assemblage includes a first metal bushing disposed within a bore through the compressor casing and bolted to the casing by externally accessible bolts. A second composite bushing is disposed within the first bushing and receives the spindle of the stator vane. Reduced diamet

A compressor stator vane assemblage includes a first metal bushing disposed within a bore through the compressor casing and bolted to the casing by externally accessible bolts. A second composite bushing is disposed within the first bushing and receives the spindle of the stator vane. Reduced diameter portions of the spindle project through openings in the first and second bushings. A lever attaches to the spindle portion and is movable to rotate the vane. By removing the bolts, the first and second bushings can be removed from the casing for replacement or rotation of 180°for prolonged service life without disassembly of the casing or removal of the stator vane.

대표청구항 ▼

A variable angle stator vane assembly for use in an axial flow compressor of a gas turbine having a compressor casing with a bore formed therein at the position of the variable angle stator vane assembly, said assembly comprising: a boss on said casing surrounding the casing bore; a first bushing ex

A variable angle stator vane assembly for use in an axial flow compressor of a gas turbine having a compressor casing with a bore formed therein at the position of the variable angle stator vane assembly, said assembly comprising: a boss on said casing surrounding the casing bore; a first bushing extending in said bore and having a flange overlying and removably secured to said boss, said bushing having an outer end portion; a second bushing disposed within said first bushing and having a bearing portion underlying and bearing against said outer end portion of said first bearing; said first and second bushings having openings through said outer end and bearing portions, respectively, in registration with one another; and a stator vane having a base, a spindle projecting from said base within said second bushing, and a first reduced diameter spindle portion extending through said registering openings whereby radial thrust loads on said vane are transmitted through said bearing portion to said outer end portion and said flange attached to said casing, said second bushing being removable and replaceable from the exterior of said casing without removing the casing from the compressor or the stator vane from the casing bore.