Methods and apparatus for cooling gas turbine rotor blades

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing

Reexamination Certificate

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Reexamination Certificate

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06984112

ABSTRACT:
A turbine blade is provided. The turbine blade includes a blade platform having an airfoil portion and a root portion extending therefrom, an undercut formed in a first side of the platform and a purge slot formed in a second side of the platform.

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