公开(公告)号：US09909456B2

公开(公告)日：2018-03-06

申请号：US14083025

申请日：2013-11-18

Applicant: ABB Turbo Systems AG

Inventor： Matthias Richner ,  Josef Bättig

IPC: F04B17/00 ,  F01D25/24 ,  F01D9/04 ,  F01D17/16

CPC classification number: F01D25/246 ,  F01D9/042 ,  F01D17/165 ,  Y10T29/49316

Abstract: An exemplary nozzle ring has two fastening rings and a plurality of guide vanes, wherein holes are provided in one of the fastening rings for accommodating pins of the guide vanes, and openings are provided in the other fastening ring for accommodating positioning aids on the guide vanes.