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Title: Turbine airfoil having outboard and inboard sections

Patent ·
OSTI ID:1172763

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.

Research Organization:
Siemens Energy, Inc., Orlando, FL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-05NT42644
Assignee:
Siemens Energy, Inc. (Orlando, FL)
Patent Number(s):
8,979,498
Application Number:
12/716,516
OSTI ID:
1172763
Resource Relation:
Patent File Date: 2010 Mar 03
Country of Publication:
United States
Language:
English

References (5)

One-piece HPTR blade squealer tip patent September 1985
Steam turbine blade patent January 1996
Trapped insert turbine airfoil patent February 2001
Gas turbine rotor blade, gas turbine using the rotor blade, and power plant using the gas turbine patent February 2008
Turbine blade apparatus patent July 2010

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