Tapered core exit for gas turbine bucket

Details Tapered core exit for gas turbine bucket Tapered core exit for gas turbine bucket

1983-01-26

1985-02-05

Marcus, Stephen

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Tined or irregular periphery

416500, F01D 510

Patent

active

044976135

ABSTRACT:
A transition portion adjacent the uncored section at a trailing edge of a cored turbine bucket displaces some of the regions of maximum stress concentration so that the maxima do not superpose and produce radial cracking at the junction of the uncored section with the walls of the cored portion. The transition section includes a curved portion joining a ramp leading to the tip.

REFERENCES:
patent: 2823895 (1958-02-01), Floroff
patent: 4097192 (1978-06-01), Kulina

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