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US 11,454,126 B1Granted
Blade root shank profile
AssigneeDoosan Heavy Industries Construction Co., Ltd
InventorsAndres Jaramillo, Clinton Mayer, Jinwoo Song
Life of this patent
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Abstract
Turbine components, such as blades, having a shank portion with an uncoated, nominal profile substantially in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table 1, Table 2, or Table 1 and Table 2. X and Y are distances in inches which, when connected by smooth continuing arcs, define shank portion profile section edges at each Z distance in inches. The shank portion profile section edges at the Z distances are joined smoothly with one another to form a complete shank shape.
Claims14
A turbine component comprising:
- a dovetail portion;
- a shank portion extending between the dovetail portion and a platform;
- and
- an airfoil extending from the platform to a blade tip,
- the shank portion having an uncoated nominal pressure side profile in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table 1,
- wherein the X, Y, and Z coordinates are distances in inches measured in the Cartesian coordinate system,
- wherein, at each Z distance, the corresponding X and Y coordinates, when connected by a smooth continuous arc, define one of a plurality of shank profile section edges,
- wherein the plurality of shank profile section edges, when joined together by smooth continuous arcs, form a pressure side shank portion shape,
- wherein the pressure side shank portion shape lies within an envelope of +/−0.120 inches measured in a direction normal to any of the plurality of shank profile section edges, and
- wherein the pressure side shank profile is in accordance with at least 85% of the X, Y, and Z coordinate values listed in Table 1.
7 more elements
A turbine component comprising:
- a dovetail portion;
- a shank portion extending between the dovetail portion and a platform;
- and
- an airfoil extending from the platform to a blade tip,
- the shank portion having an uncoated nominal suction side profile in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table 2,
- wherein the X, Y, and Z coordinates are distances in inches measured in the Cartesian coordinate system,
- wherein, at each Z distance, the corresponding X and Y coordinates, when connected by a smooth continuous arc, define one of a plurality of shank profile section edges,
- wherein the plurality of shank profile section edges, when joined together by smooth continuous arcs, form a suction side shank portion shape,
- wherein the suction side shank portion shape lies within an envelope of +/−0.120 inches measured in a direction normal to any of the plurality of shank profile section edges, and
- wherein the suction side shank profile is in accordance with at least 85% of the X, Y, and Z coordinate values listed in Table 2.
7 more elements
A turbine component comprising:
- a dovetail portion;
- a shank portion extending between the dovetail portion and a platform;
- and
- an airfoil extending from the platform to a blade tip,
- the shank portion having an uncoated nominal pressure side profile in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table 1,
- wherein the X, Y, and Z coordinates are distances in inches measured in the Cartesian coordinate system,
- wherein, at each Z distance, the corresponding X and Y coordinates, when connected by a smooth continuous arc, define one of a plurality of pressure side shank profile section edges, and
- wherein the plurality of pressure side shank profile section edges, when joined together by smooth continuous arcs, form a pressure side shank portion shape,
- the shank portion having an uncoated nominal suction side profile in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table 2,
- wherein the X, Y, and Z coordinates are distances in inches measured in the Cartesian coordinate system,
- wherein, at each Z distance, the corresponding X and Y coordinates, when connected by a smooth continuous arc, define one of a plurality of suction side shank profile section edges, and
- wherein the plurality of suction side shank profile section edges, when joined together by smooth continuous arcs, form a suction side shank portion shape,
- wherein the pressure side shank portion shape lies within an envelope of +/−0.120 inches measured in a direction normal to any of the plurality of shank profile section edges and the suction side shank portion shape lies within an envelope of +/−0.120 inches measured in a direction normal to any of the plurality of shank profile section edges, and
- wherein the pressure side shank profile is in accordance with at least 85% of the X, Y, and Z coordinate values listed in Table 1 and Table 2.
11 more elements
Dependencies are inferred from the claim text.