Patent ID: 6742987
Filing Date: 2004-06-01
Classification: F01D,Y02T

Abstract:
A turbine nozzle comprising:a row of nozzle segments each including a plurality of vanes extending radially between outer and inner bands, and each of said inner bands includes a radially inwardly extending retention flange, and each of said outer bands includes an outer pad facing aft at an aft end thereof for carrying axial loads to an annular supporting casing; an annular nozzle support disposed radially inwardly of said nozzle segments and including radially outwardly extending forward and aft flanges spaced apart axially to define an annular retention slot; said retention flange including a single radial lug at a first circumferential end trapped axially in said retention slot, and a tangential lug at an opposite second circumferential end disposed on said forward flange for carrying radial loads thereto; and said aft flange including a chordally straight outer step defining an outer hinge, and said retention flange further including a chordally straight inner step disposed inwardly of said outer hinge defining an inner hinge for cradle mounting said retention flange in said nozzle support.