Hot gas wetted turbine blade

Details Hot gas wetted turbine blade Hot gas wetted turbine blade

1982-07-08

1985-04-23

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

F01D 518

Patent

active

045127190

ABSTRACT:
A turbine blade adapted for use with hot gases comprising a radially inward portion of metal including a core projecting radially outwards on which is supported a ceramic portion of airfoil section enclosing the core. The inner end of the ceramic portion forms a continuous surface contour with the metal inward portion. The ceramic portion extends no more than one-half of the total span of the blade and, preferably, about one-third of the blade span. In a particular embodiment, the wall thickness of the ceramic portion can increase in an radially outwards direction.

REFERENCES:
patent: 2431660 (1947-11-01), Gaudenzi
patent: 2479057 (1949-08-01), Bodger
patent: 3215511 (1965-11-01), Chisholm et al.
patent: 3304056 (1967-02-01), Sohma
patent: 3315941 (1967-04-01), Davies
patent: 4247259 (1981-01-01), Saboe et al.
patent: 4285634 (1981-08-01), Rossmann et al.
patent: 4314794 (1982-02-01), Holden et al.
patent: 4349203 (1982-09-01), Schulke

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