Pattern cooled turbine airfoil

Details Pattern cooled turbine airfoil Pattern cooled turbine airfoil

2007-07-31

2007-07-31

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

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

Reexamination Certificate

active

11216647

ABSTRACT:
A hollow turbine airfoil includes pressure and suction sidewalls extending in span between a root and tip and extending in chord between opposite leading and trailing edges. The pressure sidewall includes a first pattern of first holes distributed in span and chord over a majority thereof, and a second pattern of different second holes also distributed in span and chord over a minority of the pressure sidewall between the tip and the midspan of the airfoil.

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