Patent ID: 8418458
Filing Date: 2013-04-16
Classification: F01D,F02C,F05D

Abstract:
1. A turbocharger core adapted to cooperate with a cavity that provides for both receiving and discharging exhaust gases of an internal combustion engine, comprising: a. a turbocharger rotor assembly comprising: b. a rotor shaft support assembly comprising: c. a turbine nozzle cartridge assembly comprising: d. wherein said bearing housing incorporates a cylindrical step extending aftwardly from said bearing housing, said forward nozzle wall of said turbine nozzle cartridge assembly incoporates a cylindrical lip configured to cooperate with said cylindrical step, an inside diameter of said cylindrical lip and a corresponding outside diameter of said cylindrical step are configured so as to provide for an interference fit at room temperature, while also providing for thermally induced expansion of said cylindrical lip relative to said cylindrical step, further comprising a plurality of radial pins through a corresponding plurality of radial holes in said cylindrical lip of said forward nozzle wall and into said cylindrical step for retaining and substantially centering said turbine nozzle cartridge assembly concentric relative to said bearing housing and relative to said common axis of rotation of said turbocharger rotor assembly.