Hybrid blade for a steam turbine

Details Hybrid blade for a steam turbine Hybrid blade for a steam turbine

2006-06-14

2008-09-30

Edgar, Richard (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

C416S230000

Reexamination Certificate

active

07429165

ABSTRACT:
To address certain deficiencies of carbon fiber material as a filler in a hybrid blade, a glass composite layer is provided as a barrier layer between a carbon fiber resin filler and the metallic main body of the blade. The glass composite layer also advantageously provides a gradient in thermal expansion between the carbon fiber composite and the body of the blade (steel) to reduce interfacial residual stress.

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patent: 2006/0029501 (2006-02-01), Burdgick et al.
U.S. Appl. No. 11/452,403, filed Jun. 14, 2006.

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