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Title: Ceramic blade attachment system

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.
Inventors:
 [1]
  1. (Maitland, FL)
Issue Date:
OSTI Identifier:
869695
Assignee:
Solar Turbines Incorporated (San Diego, CA) CHO
Patent Number(s):
US 5380157
Contract Number:
AC02-92CE40960
Research Org:
Solar Turbines Inc
Country of Publication:
United States
Language:
English
Subject:
ceramic; blade; attachment; turbine; preestablished; rate; thermal; expansion; attached; wheel; root; portion; groove; therein; plurality; openings; positioned; space; void; formed; grooves; spherical; balls; equal; blade attachment; turbine wheel; preestablished rate; turbine blade; thermal expansion; ceramic blade; root portion; groove therein; positioned therein; void formed; spherical ball; /416/

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