Ceramic blade attachment system

Details Ceramic blade attachment system Ceramic blade attachment system

1993-11-29

1995-01-10

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416220A, F01D 532

Patent

active

053801571

ABSTRACT:
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.

REFERENCES:
patent: 1808888 (1931-06-01), Fahlin
patent: 2315574 (1943-04-01), Anderson
patent: 2350345 (1944-06-01), Freedman et al.
patent: 2628688 (1953-02-01), Diefenderfer

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