公开(公告)号：US20170314572A1

公开(公告)日：2017-11-02

申请号：US15597231

申请日：2017-05-17

Applicant: DRESSER-RAND COMPANY

Inventor： Kyle Badeau ,  Kirk Ryan Lupkes

IPC: F04D29/42 ,  F04D29/16 ,  F04D29/62 ,  F04D17/10 ,  F01D25/24 ,  F01D11/08

CPC classification number: F04D29/4206 ,  F01D11/08 ,  F01D25/24 ,  F04D17/10 ,  F04D29/162 ,  F04D29/622 ,  F05B2210/402 ,  F05B2230/30 ,  F05B2230/90 ,  F05B2240/11 ,  F05B2260/20 ,  F05D2230/30 ,  F05D2230/90 ,  F05D2240/11

Abstract: A shroud for a compressor is provided. The shroud may include a first annular portion constructed of a first material, a second annular portion coupled to the first annular portion and constructed of a second material, and a first coating disposed on the first annular portion and constructed of a third material. At least one of the first material, the second material, and the third material may be a different material from at least one other of the first material, the second material, and the third material.