Stator blade airfoil profile for a compressor
AssigneeGeneral Electric Company
InventorsChristopher P. Keener, David J Stampfli
Life of this patent
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Abstract
Twelfth stage stator vanes for a compressor comprise airfoil profiles substantially in accordance with Cartesian coordinate values of Z, Y and Z set forth in inches in Table I, wherein the Z coordinate values are perpendicular distances from planes normal to a radius from the compressor centerline and containing the X and Y values with the Z value commencing at zero in the X, Y plane at a radial aerodynamic section of the airfoil. X and Y are coordinate values defining the airfoil profile at each distance Z. The X, Y and Z values may be scaled to provide a scaled-up or scaled-down airfoil section for each stator vane.
Claims12
A stator blade for a compressor having an airfoil, the airfoil having a shape in an envelope within ±0.100 inches in a direction normal to any airfoil surface location wherein the airfoil has an uncoated nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I wherein the Z coordinate values are perpendicular distances from planes normal to a radius from the compressor centerline and containing the X and Y values with the Z value commencing at zero in the X, Y plane at a radial aerodynamic section of the airfoil and X and Y are coordinate values which, when connected by smooth continuing arcs, define the airfoil profile at each distance Z, the profiles at the Z distances being joined smoothly with one another to form the complete airfoil shape.
A stator blade for a compressor having an airfoil, the airfoil having an uncoated nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I, wherein the Z coordinate values are perpendicular distances from planes normal to a radius from the compressor centerline and containing the X and Y values with the Z values commencing at zero in the X, Y plane at a radial aerodynamic section of the airfoil and X and Y are coordinate values which, when connected by smooth continuing arcs, define the airfoil profile at each distance Z, the profiles at the Z distances being joined smoothly with one another to form the complete airfoil profile, the X, Y and Z values being scaled as a function of the same constant or number to provide a scaled-up or scaled-down compressor airfoil.
A compressor comprising a plurality of stator blades forming a portion of a compressor stage, each of said blades being in the shape of an airfoil within ±0.100 inches in a direction normal to any airfoil surface location wherein the airfoil has an uncoated nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I, wherein the Z coordinate values are perpendicular distances from planes normal to a radius from the compressor centerline and containing the X and Y values with the Z values commencing at zero in the X, Y plane at a radial aerodynamic section of the airfoil and X and Y are coordinate values which, when connected by smooth continuing arcs, define the airfoil profile at each distance Z, the profiles at the Z distances being joined smoothly with one another to form the complete airfoil shape.
A compressor comprising a plurality of stator blades forming a portion of a compressor stage, each of said blades having an uncoated nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I, wherein the Z coordinate values are perpendicular distances from planes normal to a radius from the compressor centerline and containing the X and Y values with the Z value commencing at zero in the X, Y-plane at a radial aerodynamic section of the airfoil and X and Y are coordinate values which, when connected by smooth continuing arcs, define the airfoil profile at each distance Z, the profiles at the Z distances being joined smoothly with one another to form the complete airfoil profile, the X, Y and Z values being scaled as a function of the same constant or number to provide a scaled-up or scaled-down compressor airfoil.
Dependencies are inferred from the claim text.