Patent ID: 9702252
Date: 2017-07-11
CPC Classifications: B23P,F01D,F05D,Y02T,Y10T

Claim:
1. A turbine nozzle, comprising: a support ring; a slip joint ring substantially concentric with the support ring and radially spaced apart therefrom, the slip joint ring having a plurality of circumferentially-spaced slots therein; a plurality of vanes fixedly coupled to the support ring and extending radially therefrom into the plurality of circumferentially-spaced slots; a plurality of radial slip joints formed between the plurality of vanes and the plurality of circumferentially-spaced slots, each slip joint extending around a different one of the plurality of vanes to permit relative radial movement between the plurality of vanes and the slip joint ring during operation of the turbine nozzle; failsafe retention pins extending from the slip joint ring into the plurality of vanes; and a plurality of openings provided in the plurality of vanes and into which the failsafe retention pins extend, the plurality of openings sized such that clearances are provided between the failsafe retention pins and the plurality of openings in at least radial directions permitting the failsafe retention pins to travel within the plurality of openings as relative radial movement occurs between the plurality of vanes and the slip joint ring.