Patent ID: 7094025
Filing Date: 2006-08-22
Classification: F01D,F05D

Abstract:
1. A retention system for nozzles of a turbine, comprising: a nozzle retention ring for disposition about an axis of the turbine; a plurality of circumferentially adjacent nozzle segments carried by said nozzle retention ring; anti rotation pins extending in generally axial directions and engaging between said retention ring and said nozzle segments, respectively, to restrain movement of the nozzle segments in a rotational direction about the turbine axis; wherein said retention ring includes an axially facing surface, said anti rotation pins being exposed through said surface and at least one retention plate segment overlying the axially facing surface, precluding removal of the pins in an axially direction; and wherein each of said nozzle segments includes an outer band and a pair of axially spaced apertures, said retention ring having aligned openings whereby each said pin is received in said apertures and said openings.