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US 2013/0094944 A1Published application
Bucket assembly for turbine system
AssigneeGeneral Electric Company
InventorsBenjamin Paul Lacy, Anthony Louis Giglio
Life of this patent
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Abstract
A bucket assembly is disclosed. The bucket assembly includes an airfoil having a generally aerodynamic contour and defining a tip, and a lower body portion extending generally radially inward from the airfoil. The bucket assembly further includes a tip shroud disposed on the tip of the airfoil and comprising a main body and a rail. The rail includes an exterior surface. The exterior surface defines a microchannel. The bucket assembly further includes a cover layer configured on the exterior surface.
Claims20
A bucket assembly comprising:
- an airfoil having a generally aerodynamic contour and defining a tip;
- a lower body portion extending generally radially inward from the airfoil;
- a tip shroud disposed on the tip of the airfoil and comprising a main body and a rail, the rail comprising an exterior surface, the exterior surface defining a microchannel;
- and
- a cover layer configured on the exterior surface.
2 more elements
A turbine system comprising:
- a compressor;
- a turbine coupled to the compressor;
- and
- a plurality of bucket assemblies disposed in at least one of the compressor or the turbine, at least one of the bucket assemblies comprising:
- an airfoil having a generally aerodynamic contour and defining a tip;
- a lower body portion extending generally radially inward from the airfoil;
- a tip shroud disposed on the tip of the airfoil and comprising a main body and a rail, the rail comprising an exterior surface, the exterior surface defining a microchannel;
- and
- a cover layer configured on the exterior surface.
6 more elements
Dependencies are inferred from the claim text.