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A turbine blade including an airfoil having a plurality of trailing edge slots and a plurality of trailing edge openings for use in a turbine engine is described. The trailing edge slots extend along a pressure side wall to the trailing edge at an upper portion of the blade. The trailing edge openin

A turbine blade including an airfoil having a plurality of trailing edge slots and a plurality of trailing edge openings for use in a turbine engine is described. The trailing edge slots extend along a pressure side wall to the trailing edge at an upper portion of the blade. The trailing edge openings extend through the trailing edge at a lower portion of the blade. The trailing edge at the upper portion of the airfoil is relatively thin in comparison to the trailing edge at the lower portion of the airfoil, which allows for high aerodynamic efficiency and cooling of the airfoil.

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[ What is claimed is:] [1.] An airfoil comprising:a leading edge, a trailing edge, a pressure side wall and a suction side wall, said pressure side wall connected to said suction side wall at said leading edge and said trailing edge;a plurality of trailing edge slots extending from said trailing edg

[ What is claimed is:] [1.] An airfoil comprising:a leading edge, a trailing edge, a pressure side wall and a suction side wall, said pressure side wall connected to said suction side wall at said leading edge and said trailing edge;a plurality of trailing edge slots extending from said trailing edge along said pressure side wall; anda plurality of trailing edge openings extending through said trailing edge.