Damper cooled turbine blade

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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Details

C415S115000, C416S500000

Reexamination Certificate

active

11296910

ABSTRACT:
A turbine blade includes an airfoil, platform, shank, and dovetail integrally joined together. A cooling chamber is located under the platform and has a portal exposed outwardly from the shank. A damper seat surrounds the portal and is recessed under the platform for receiving a vibration damper to sealingly close the chamber across the portal.

REFERENCES:
patent: 4872812 (1989-10-01), Hendley
patent: 5382135 (1995-01-01), Green
patent: 5478207 (1995-12-01), Stec
patent: 5749705 (1998-05-01), Clarke et al.
patent: 5813835 (1998-09-01), Corsmeier et al.
patent: 5924699 (1999-07-01), Airey et al.
patent: 6171058 (2001-01-01), Stec
patent: 6932575 (2005-08-01), Surace et al.
patent: 2005/0079062 (2005-04-01), Surace et al.
GE Aircraft Engines, “CF6-80C2 HPT Stage 2 Blade,” on sale and in public use in US more than one year before Oct. 31, 2005.
GE Aircraft Engines, “HPT Stage 1 Blade and Damper Assembly,” on sale in US more than one year before Oct. 31, 2005.
U.S. Appl. No. 10/903,414, filed Jul. 30, 2004, S. Keith et al.
U.S. Appl. No. 10/909,199, filed Jul. 30, 2004, S. Keith et al.
U.S. Appl. No. 10/903,634, filed Jul. 30, 2004, S. Keith et al.

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