Ceramic blade attachment system
Patent
·
OSTI ID:869695
- Maitland, FL
A turbine blade having a preestablished rate of thermal expansion is attached to a turbine wheel having a preestablished rate of thermal expansion being greater than the preestablished rate of thermal expansion of the turbine blade. The turbine blade has a root portion having a first groove and a second groove therein. The turbine wheel includes a plurality of openings in which the turbine blade is positioned. Each of the openings has a first groove and a second groove therein. The space or void formed between the first grooves and the second grooves has a plurality of spherical balls positioned therein. The plurality of spherical balls has a preestablished rate of thermal expansion being equal to the preestablished rate of thermal expansion of the turbine blade.
- Research Organization:
- Solar Turbines Inc
- DOE Contract Number:
- AC02-92CE40960
- Assignee:
- Solar Turbines Incorporated (San Diego, CA)
- Patent Number(s):
- US 5380157
- OSTI ID:
- 869695
- Country of Publication:
- United States
- Language:
- English
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balls
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ceramic blade
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groove
groove therein
grooves
openings
plurality
portion
positioned
positioned therein
preestablished
preestablished rate
rate
root
root portion
space
spherical
spherical ball
therein
thermal
thermal expansion
turbine
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turbine wheel
void
void formed
wheel
attached
attachment
balls
blade
blade attachment
ceramic
ceramic blade
equal
expansion
formed
groove
groove therein
grooves
openings
plurality
portion
positioned
positioned therein
preestablished
preestablished rate
rate
root
root portion
space
spherical
spherical ball
therein
thermal
thermal expansion
turbine
turbine blade
turbine wheel
void
void formed
wheel