Ceramic blade attachment system

Details Ceramic blade attachment system Ceramic blade attachment system

1995-03-06

1996-12-03

Larson, James

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

416241B, F01D 532

Patent

active

055802192

ABSTRACT:
A turbine blade having a preestablished rate of thermal expansion is attached to a turbine flange having a preestablished rate of thermal expansion being greater than the preestablished rate of thermal expansion of the turbine blade. The turbine flange includes a first upstanding flange and a second upstanding flange having a groove formed therebetween. The turbine flange further includes a recess. Each of the first and second upstanding flanges have a plurality of bores therein. A turbine blade has a first member and a second member positioned in one of the groove and the recess. Each of the first member and the second member have a plurality of bores therein. And, a pin is positioned in respective ones of the plurality of bores in the first and second upstanding members and the first and second members and attach the blade to the turbine flange. The pin has a preestablished rate of thermal expansion being substantially equal to the rate of thermal expansion of the blade.

REFERENCES:
patent: 2821357 (1958-01-01), Schorner
patent: 2944787 (1960-07-01), Gingras
patent: 3400912 (1968-09-01), Carta et al.
patent: 4802824 (1989-02-01), Gastebois et al.
patent: 5405245 (1995-04-01), Cornelius

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