Gas turbine blade

Details Gas turbine blade Gas turbine blade

1998-03-03

2000-03-21

Verdier, Christopher

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

4151731, 4151735, 416 96R, F01D 518, F01D 520

Patent

active

060395311

ABSTRACT:
The present disclosure provides a gas turbine blade in which the tip end thereof is cooled effectively to decrease the metal temperature for the prevention of burning and the temperature gradient of blade metal is decreased to prevent the occurrence of cracking. In the gas turbine blade provided with a cooling passage therein, a protrusion is provided inwardly of the peripheral walls of the blade, which define the blade profile and the protrusion is positioned on the outer surface of blade tip end wall directly above a cooling passage within the blade.

REFERENCES:
patent: 3854842 (1974-12-01), Caudill
patent: 4390320 (1983-06-01), Eiswerth
patent: 4424001 (1984-01-01), North et al.
patent: 5261789 (1993-11-01), Butts et al.

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