Airfoil having porous metal filled cavities
A turbine airfoil used in a gas turbine engine includes a plurality of cavities opening in a direction facing the airfoil surface, each cavity having cooling holes communicating with an internal cooling fluid passage of the airfoil, and the airfoil surface above the cavity being a thermal barrier co...
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| creator | Landis, Kenneth K |
| description | A turbine airfoil used in a gas turbine engine includes a plurality of cavities opening in a direction facing the airfoil surface, each cavity having cooling holes communicating with an internal cooling fluid passage of the airfoil, and the airfoil surface above the cavity being a thermal barrier coating and having a plurality of cooling holes communicating with the cavity, where each cavity is filled with a porous metal or foam metal material. Heat is transferred from the airfoil surface to the porous metal, and a cooling fluid passing through the porous metal attracts heat from the porous metal and flows out the holes and onto the airfoil surface to cool the airfoil. |
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| language | eng |
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| source | USPTO Issued Patents |
| title | Airfoil having porous metal filled cavities |
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