Ceramic blade attachment system
Patent
·
OSTI ID:6675075
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. 4 figures.
- Research Organization:
- Solar Turbines Inc
- DOE Contract Number:
- AC02-92CE40960;
- Assignee:
- Solar Turbines Incorporated, San Diego, CA (United States)
- Patent Number(s):
- US 5380157; A
- Application Number:
- PPN: US 8-159021
- OSTI ID:
- 6675075
- Country of Publication:
- United States
- Language:
- English
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