Rotor for a charging device

Abstract

A rotor for a charging device may include a shaft, a turbine wheel and a compressor wheel. The turbine wheel may be connected to the shaft. The rotor may also include at least one of a metal or ceramic adapter connected to the turbine wheel or the shaft via an infiltration process.

1 . A rotor for a charging device comprising: a shaft, a turbine wheel and a compressor wheel, wherein the turbine wheel is connected to the shaft, at least one of a metal or ceramic adapter connected to the turbine wheel and the shaft via an infiltration process. 
     
     
         2 . The rotor according to  claim 1 , wherein the adapter is sintered onto at least one of the turbine wheel and the shaft. 
     
     
         3 . The rotor according to  claim 1 , wherein the adapter is a metal adapter and connected to at least one of the shaft and the turbine wheel. 
     
     
         4 . The rotor according to  claim 3 , wherein the adapter is welded to at least one of the shaft and the turbine wheel. 
     
     
         5 . The rotor according to  claim 1 , wherein the adapter has at least one of an annular shape and a disc-like-shape. 
     
     
         6 . The rotor according to  claim 1 , wherein the adapter is integrated in a back of the turbine wheel. 
     
     
         7 . The rotor according to  claim 1 , wherein the rotor is disposed in an exhaust gas turbocharger. 
     
     
         8 . A rotor for a charging device comprising: a shaft, a turbine wheel and a compressor wheel, the turbine wheel being connected to the shaft, a plurality of webs extending radially away to the outside of and arranged on the shaft, and longitudinal webs extending radially away to the outside of the shaft and being arranged on a receiving opening of the turbine wheel, the webs and longitudinal webs configured to deformed when the turbine wheel is slid onto the shaft. 
     
     
         9 . The rotor according to  claim 8 , wherein the webs are designed as at least one of the longitudinal webs and circumferential webs. 
     
     
         10 . A rotor for a charging device comprising: a shaft, a turbine wheel and a compressor wheel, a conically tapering region having an outer thread arranged on the free end of the shaft, wherein the turbine wheel has a conical receiving opening formed complementarily thereto with a following internal thread. 
     
     
         11 . The rotor according to  claim 1 , wherein the adapter is sintered onto the turbine wheel. 
     
     
         12 . The rotor according to  claim 1 , wherein the adapter is sintered onto the shaft. 
     
     
         13 . The rotor according to  claim 1 , wherein the adapter is a metal adapter and connected to the shaft. 
     
     
         14 . The rotor according to  claim 1 , wherein the adapter is a metal adapter and connected to the turbine wheel. 
     
     
         15 . The rotor according to  claim 3 , wherein the adapter is brazed to the shaft. 
     
     
         16 . The rotor according to  claim 3 , wherein the adapter is brazed to the turbine wheel. 
     
     
         17 . The rotor according to  claim 1 , wherein the adapter has an annular shape. 
     
     
         18 . The rotor according to  claim 1 , wherein the adapter has a disc-like-shape. 
     
     
         19 . The rotor according to  claim 2 , wherein the adapter has at least one of an annular and a disc-like-shape. 
     
     
         20 . The rotor according to  claim 2 , wherein the adapter is integrated in a back of the turbine wheel.