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Turbine airfoil having outboard and inboard sections

United States Patent

8,979,498
March 17, 2015
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A turbine airfoil usable in a turbine engine and formed from at least an outboard section and an inboard section such that an inner end of the outboard section is attached to an outer end of the inboard section. The outboard section may be configured to provide a tip having adequate thickness and may extend radially inward from the tip with a generally constant cross-sectional area. The inboard section may be configured with a tapered cross-sectional area to support the outboard section.
Mazzola; Stefan (Sanford, FL), Marra; John J. (Winter Springs, FL)
Siemens Energy, Inc. (Orlando, FL)
12/ 716,516
20110217178
March 3, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH Development of this invention was supported in part by the United States Department of Energy, Contract No. DE-FC26-05NT42644, H2 Advanced Hydrogen Turbine Development, Phase 2. Accordingly, the United States Government may have certain rights in this invention.