Patent ID: 8191373
Filing Date: 2012-06-05
Classification: F23M,F23R

Abstract:
1. An impingement shield assembly for a turbine, the assembly comprising: a first impingement sleeve portion; a second impingement sleeve portion joined to the first impingement sleeve portion; a first connection portion formed on the first impingement sleeve portion, the first connection portion including a first base portion, a first upper portion and a first downward edge extending between the first upper portion and the first base portion, the first upper portion and the first downward edge forming a first angle between them that is less than 90 degrees; a second connection portion formed on the second impingement sleeve portion, the second connection portion including a second base portion, a second upper portion and a second downward edge extending between the second upper portion and the second base portion, the second upper portion and the second downward edge forming a second angle between that is less than 90 degrees; a first wedge strip portion shaped and configured to mate with the first connection portion and including a first mating edge and a first top edge disposed at the first angle relative to one another and arranged such that the first mating edge is in contact with the first downward edge; and a second wedge strip portion shaped and configured to mate with the second connection portion connection portion and including a second mating edge and a second top edge disposed at the second angle relative to one another and arranged such that the first mating edge is in contact with the first downward edge; wherein the first wedge strip portion is welded to the second wedge strip portion.