Turbine rotor blade for a turbomachine especially a gas turbine

Details Turbine rotor blade for a turbomachine especially a gas turbine Turbine rotor blade for a turbomachine especially a gas turbine

1983-01-26

1984-11-06

Scott, Samuel

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

416231R, 416241B, 416132R, 416 96A, 415174, 415172A, F01D 518

Patent

active

044809565

ABSTRACT:
A high-temperature, extremely high-speed ceramet composite blade comprising a ceramic blade jacket seated from above on a metallic core having a crossweb near its upper end for securing the jacket on the core by one or more metallic retaining pins extending through the crossweb and secured to the core. A head on each bolt is located within a chamber formed above the cross-web and surrounded by the radially projecting end of the blade jacket. A porous abradable coating is secured to the head of the bolt and substantially fills the chamber. The coating projects slightly beyond the end of the blade jacket and is supplied and permeated with cooling air via a cooling duct extending through the retaining pin and metallic core.

REFERENCES:
patent: 730363 (1903-06-01), Geisenhoner
patent: 3389889 (1968-06-01), Penny
patent: 3443792 (1969-05-01), Moss
patent: 3950113 (1976-04-01), Albrecht
patent: 4169020 (1979-09-01), Stalker et al.
patent: 4285634 (1981-08-01), Rossmann et al.
patent: 4390320 (1983-06-01), Eiswerth
patent: 4411597 (1983-10-01), Koffel et al.

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