公开(公告)号：EP2932053A4

公开(公告)日：2016-01-20

申请号：EP13866439

申请日：2013-11-06

Applicant: UNITED TECHNOLOGIES CORP

Inventor： PARKIN MICHAEL J ,  KLING COLIN J

IPC: F01D25/24 ,  F02C7/00 ,  F02K3/02 ,  F16L23/032 ,  F16L43/00 ,  F16L47/14

CPC classification number: F16L55/00 ,  F01D9/02 ,  F01D25/005 ,  F02C7/14 ,  F05D2300/224 ,  F05D2300/606 ,  F05D2300/614 ,  F16L23/032 ,  F16L43/008 ,  F16L47/145 ,  Y10T29/49286 ,  Y10T29/49826

Abstract: A duct has: a first non-metallic member extending between a first end and a second end, at least at the first end having an outwardly-projecting flange portion; a metallic flange member having a sleeve extending between a first end and a second end and a flange extending outward from the sleeve and having a first face and a second face; and a second non-metallic member extending between a first end and a second end having an outwardly-projecting flange portion, the first non-metallic member flange portion mounted to the flange first face and the second non-metallic member flange portion mounted to the flange second face.