公开(公告)号：US09988977B2

公开(公告)日：2018-06-05

申请号：US14870643

申请日：2015-09-30

Applicant: BorgWarner Inc.

Inventor： Jerud Crandall ,  Gordon Jenks ,  Michael Thayer

IPC: F01D5/04 ,  F02B39/14 ,  F01D25/18

CPC classification number: F02B39/14 ,  F01D5/046 ,  F01D25/186 ,  F05D2220/40 ,  F05D2300/6033

Abstract: A turbocharger (10) includes a shaft (26) rotatably supported within a bearing housing (28), a turbine wheel (22) connected to the shaft (26), and a heat shield (150, 250) disposed between the turbine wheel (22) and the bearing housing (28). The heat shield (150, 250) includes surface features (80, 180) formed on at least one of a sidewall (57) portion thereof and a flange (63) portion thereof that locate the heat shield (150, 250) relative to the bearing housing (28) such that the heat shield (150, 250) is coaxial with the rotational axis of the shaft (26).