Nixon & Vanderhye
Turbine stator vane segments having combined air and steam cooling circuits
 Turbine stator vane segments have inner and outer walls with vanes extending therebetween. The inner and outer walls are compartmentalized and have impingement plates. Steam flowing into the outer wall passes through the impingement plate for impingement cooling of the outer wall surface. The spent impingement steam flows into cavities of the vane having inserts for impingement cooling the walls of the vane. The steam passes into the inner wall and through the impingement plate for impingement cooling of the inner wall surface and for return through return cavities having inserts for impingement cooling of the vane surfaces. The trailing edge is air-cooled. 
General Electric Co.
F F F Y F F F F F F
F05D F05D F05D Y02T F01D F01D F01D F05D F01D F05D
additional additional additional additional inventional inventional inventional additional inventional additional
Daniel R. Francisco J. Victor H. S. Sanjay Theresa A. David A.
Predmore Cunha Correia Chopra Brown DeAngelis