Charging device

Abstract

An exhaust gas turbocharging device is disclosed. The turbocharging device comprises a turbine comprising at least one flow guide vane for a medium. The flow guide vane is pivotably mounted on a housing component of the charging device by a bearing shaft seated in a recess of the housing component, wherein the bearing shaft and the recess form at least two bearing locations with different diameters spaced from each other in an axial direction.

1 . An exhaust gas turbocharging device, comprising: a turbine comprising at least one flow guide vane for a medium, wherein the flow guide vane is pivotably mounted on a housing component of the charging device by a bearing shaft seated in a recess of the housing component, wherein the bearing shaft and the recess form at least two bearing locations with different diameters spaced from each other in an axial direction. 
     
     
         2 . The exhaust gas turbocharging device according to  claim 1 , wherein the bearing location having the larger diameter is arranged on the side facing the flow guide vane. 
     
     
         3 . The exhaust gas turbocharging device according to  claim 1 , wherein a continuous change of at least one of the shaft diameter and/or of the recess diameter is provided between the bearing locations. 
     
     
         4 . The exhaust gas turbocharging device according to  claim 1 , wherein the recess diameter substantially corresponds to the shaft diameter in the region of at least one of the bearing locations. 
     
     
         5 . The exhaust gas turbocharging device according to  claim 1 , wherein the recess is at least one of a stepped recess and a constant diameter recess. 
     
     
         6 . The exhaust gas turbocharging device according to  claim 1 , wherein the bearing shaft is assigned at least one bearing element. 
     
     
         7 . The exhaust gas turbocharging device according to  claim 1 , wherein the bearing element is at least one of non-positively, positively and materially fastened to the bearing shaft. 
     
     
         8 . The exhaust gas turbocharging device according to  claim 1 , wherein the bearing element is part of an adjusting device for the bearing shaft, wherein the adjusting device at least in certain regions interacts with the bearing shaft at the recess in order to form the bearing location. 
     
     
         9 . The exhaust gas turbocharging device according to  claim 1 , wherein the bearing shaft and the guide vane are configured as a common die cast component. 
     
     
         10 . The exhaust gas turbocharging device according to  claim 2 , wherein a continuous change of at least one of the shaft diameter and the recess diameter is provided between the bearing locations. 
     
     
         11 . The exhaust gas turbocharging device according to  claim 2 , wherein the recess diameter substantially corresponds to the shaft diameter in the region of at least one of the bearing locations. 
     
     
         12 . The exhaust gas turbocharging device according to  claim 2 , wherein the recess is at least one of a stepped recess and a constant diameter recess. 
     
     
         13 . The exhaust gas turbocharging device according to  claim 2 , wherein the bearing shaft is assigned at least one bearing element. 
     
     
         14 . The exhaust gas turbocharging device according to  claim 2 , wherein the bearing element is at least one of non-positively, positively and materially fastened to the bearing shaft. 
     
     
         15 . The exhaust gas turbocharging device according to  claim 2 , wherein the bearing element is part of an adjusting device for the bearing shaft, wherein the adjusting device at least in certain regions interacts with the bearing shaft at the recess in order to form the bearing location. 
     
     
         16 . The exhaust gas turbocharging device according to  claim 2 , wherein the bearing shaft and the guide vane are configured as a common die cast component.