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Multiple piece turbine airfoil

Patent ·
OSTI ID:1014924
A turbine airfoil, such as a rotor blade or a stator vane, for a gas turbine engine, the airfoil formed as a shell and spar construction with a plurality of dog bone struts each mounted within openings formed within the shell and spar to allow for relative motion between the spar and shell in the airfoil chordwise direction while also forming a seal between adjacent cooling channels. The struts provide the seal as well as prevent bulging of the shell from the spar due to the cooling air pressure.
Research Organization:
Florida Turbine Technologies, Inc. (Jupiter, FL)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG02-07ER84668
Assignee:
Florida Turbine Technologies, Inc. (Jupiter, FL)
Patent Number(s):
7,824,150
Application Number:
US Patent Application 12/467,009
OSTI ID:
1014924
Country of Publication:
United States
Language:
English

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