Turbine blade airfoil having improved creep capability

Details Turbine blade airfoil having improved creep capability Turbine blade airfoil having improved creep capability

2005-08-23

2005-08-23

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

C416S09700R, C416S092000

Reexamination Certificate

active

06932577

ABSTRACT:
A turbine blade including an airfoil having a profile in accordance with Table 1 is disclosed. The turbine blade has a plurality of cooling passages extending radially outward through the airfoil. The aerodynamic profile of the airfoil has been reconfigured to reduce airfoil stress for a given operating temperature, thereby resulting in increased creep rupture life of the airfoil.

REFERENCES:
patent: 5980209 (1999-11-01), Barry et al.
patent: 6474948 (2002-11-01), Pirolla et al.
patent: 6503059 (2003-01-01), Frost et al.
U.S. Appl. Ser. No. 10/434691, Parker et al.

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