Patent ID: 6896479

Claim:
A rotor for an engine turbocharger, the rotor including a turbine wheel, a compressor wheel, and additional rotor components comprising: a shaft rotatable with and extending along a rotor axis from one wheel toward the other wheel; an adapter rotatable with and extending along the axis from the other wheel to the shaft, the adapter including a first radial thrust face axially facing the one wheel; at least one pilot axially aligning the shaft and the adapter with the axis; a thrust runner piloted on at least one of the shaft and the adapter and having ends axially engaging the shaft and the adapter, the runner including a flange having a second radial thrust face axially facing the first radial thrust face; and a fastener rod extending axially through at least the adapter and the thrust runner and clamping the thrust runner between the shaft and the adapter to fix the axial alignment of the rotor components and the axial positions of the thrust faces.