Cooled rotor blade with vibration damping device

Details Cooled rotor blade with vibration damping device Cooled rotor blade with vibration damping device

2006-10-17

2006-10-17

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

C416S500000, C416S224000

Reexamination Certificate

active

07121801

ABSTRACT:
A rotor blade for a rotor assembly is provided that includes a root, an airfoil, a platform, and a damper. The airfoil has at least one cavity. The platform is disposed between the root and the airfoil. The platform includes an inner surface, an outer surface, and a damper aperture disposed in the inner surface. The damper has a body and a base. The base and the damper aperture have mating geometries that enable the base to rotate within the damper aperture without substantial impediment from the mating geometries.

REFERENCES:
patent: 2957675 (1960-10-01), Mason et al.
patent: 5558497 (1996-09-01), Kraft et al.
patent: 5820343 (1998-10-01), Kraft et al.
patent: 6902376 (2005-06-01), Gautreau et al.

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