Hollow turbine blade stiffening

Details Hollow turbine blade stiffening Hollow turbine blade stiffening

2006-02-21

2006-02-21

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Method of operation

C416S23100A, C416S500000

Reexamination Certificate

active

07001150

ABSTRACT:
An apparatus and method for at least one of stiffening a rotor blade of a gas turbine engine and raising a natural vibration frequency of the blade. The blade has a recess extending radially and inwardly into the blade. A reinforcing element is provided in the recess at a selected position to thereby allow a large blade chord at the tip end of the blade.

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