Patent ID: 8707705

Claim:
An aft frame of a turbine engine including a transition piece body, comprising: an annular body disposed within a first annular space defined between an impingement sleeve and a compressor discharge casing and aft of a second annular space defined between the transition piece body and the impingement sleeve and including a main portion with a first surface facing the first annular space and a second surface facing the second annular space, the main portion having an impingement hole extending therethrough from an inlet at the first surface of the annular body along a first section that extends in a radial direction and along a second section that extends in an axial direction to an outlet at the second surface of the annular body to define a fluid path along which the first annular space and the second annular space communicate with one another, the first section and the second section being perimetrically localized and an outlet of the first section being defined along a sidewall of the second section.