Shovel bearing ring assembly for turbocharger with variable turbine geometry

摘要

A turbocharger (1) having a turbine with variable turbine geometry includes a vane ring assembly (29) configured to control the flow of exhaust gas to a turbine wheel (12) and brackets (60, 160) used to secure the turbine To secure vane ring assembly (29) to the bearing housing (16) in a desired axial and radial position and angular orientation relative to the bearing housing (16). In some embodiments, the vane ring assembly (29) is spring biased to an axially outward position relative to the bearing housing (16), and the retainers (60, 160) hold the vane ring (30) in the desired position against the spring bias.