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US 2013/0280049 A1Published application
Blade having porous, abradable element
AssigneeUnited Technologies Corporation
InventorsBenjamin T. Fisk, Tracy A. Propheter-Hinckley
Life of this patent
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Abstract
A blade includes an airfoil having a base and a free, tip end. The tip end includes at least one porous, abradable element.
Claims20
A blade comprising:
- an airfoil including a base and a free, tip end, the tip end including at least one porous, abradable element.
A turbine engine comprising:
- optionally, a fan;
- a compressor section;
- a combustor in fluid communication with the compressor section;
- and
- a turbine section in fluid communication with the combustor, the turbine section being coupled to drive the compressor section and the fan, and
- at least one of the fan, the compressor section and the turbine section including a plurality of blades, each of the plurality of blades having an airfoil including a base and a free, tip end, the tip end including at least one porous, abradable element.
3 more elements
A method for processing a blade, the method comprising:
- depositing multiple layers of a powdered metal onto one another;
- joining the layers to one another with reference to data relating to a particular cross-section of a blade;
- and
- producing the blade with an airfoil including a base and a free, tip end, the tip end including at least one porous, abradable element.
1 more element
A method for processing a blade, the method comprising:
- providing a blade having an airfoil including a base and a free, tip end;
- and
- forming at the tip end at least one porous, abradable element.
Dependencies are inferred from the claim text.