Supercharger device

1. An exhaust gas supercharger, comprising:

at least one of a variable turbine and a compressor;

a vane mounting ring with at least one guide vane rotatably mounted thereon, wherein the vane mounting ring is connected to a supercharger bearing housing by at least two rivets; and

at least one of a spiral spring and a disk spring positioned between the bearing housing and the vane mounting ring, the at least one of a spiral spring and a disk spring surrounding each associated rivet, wherein at least one spring pretensions the vane mounting ring away from the bearing housing.

2. The exhaust gas supercharger device according to claim 1 wherein the vane mounting ring is arranged axially between the bearing housing and a component forming a flow channel, wherein the at least two rivets penetrate the bearing housing and the component, and each of the rivets has on its end side one rivet head, which is supported on at least one of a component side and a bearing house side, wherein the side faces away from the vane mounting ring.

3. The exhaust gas supercharger device according to claim 2 , further comprising: at least one of a radial bead and a sleeve positioned between the component and the vane mounting ring, wherein the at least one of radial bead and sleeve define a minimum distance between the component and the vane mounting ring.

4. The exhaust gas supercharger device according to claim 3 , wherein at least one of the bead and sleeve has an at least slightly greater axial length than the guide vanes.

5. The exhaust gas supercharger device according to claim 1 , wherein the vane mounting ring is connected to the bearing housing of the supercharger device by three rivets.

6. The exhaust gas supercharger device according to claim 1 , wherein at least two rivets have an at least approximately equal thermal expansion coefficient as at least one of the bearing housing, the component, the guide vanes, and the vane mounting ring.

7. The exhaust gas supercharger device according to claim 1 , wherein the vane mounting ring is arranged axially between the bearing housing and a component forming a flow channel, wherein the at least two rivets penetrate the bearing housing and the component, and each of the rivets has on its end side one rivet head, which is supported on at least one of a component side and a bearing house side, and wherein the side faces away from the vane mounting ring.

8. The exhaust gas supercharger device according to claim 1 , further comprising: at least one of a radial bead and a sleeve positioned between the component and the vane mounting ring, and wherein the at least one of radial bead and sleeve define a minimum distance between the component and the vane mounting ring.

9. An internal combustion engine, comprising: a supercharger device, wherein the supercharger device has at least one of a variable turbine and a compressor;

the supercharger device has a vane mounting ring with at least one guide vane rotatably mounted thereon, wherein the vane mounting ring is connected to a supercharger bearing housing by at least two rivets; and

a spring separating device, which keeps the vane mounting ring spaced apart from the bearing housing and pretensions the vane mounting ring away from the bearing housing.

10. The internal combustion engine according to claim 9 , wherein the spring separating device is a spiral spring.

11. The internal combustion engine according to claim 9 , wherein the vane mounting ring is arranged axially between the bearing housing and a component forming a flow channel, wherein the at least two rivets penetrate the bearing housing and the component, and each of the rivets has on its end side one rivet head, which is supported on at least one of a component side and a bearing house side, and wherein the side faces away from the vane mounting ring.

12. The internal combustion engine according to claim 9 , wherein the spring separating device is a disk spring that surrounds each associated rivet.

13. The internal combustion engine according to claim 9 , further comprising: at least one of a radial bead and a sleeve positioned between the component and the vane mounting ring, wherein the at least one of radial bead and sleeve define a minimum distance between the component and the vane mounting ring.

14. The internal combustion engine according to claim 9 , wherein at least one of the bead and sleeve has an at least slightly greater axial length than the guide vanes.

15. The internal combustion engine according to claim 9 , wherein the vane mounting ring is connected to the bearing housing of the supercharger device by three rivets.

16. The internal combustion engine according to claim 9 , wherein at least two rivets have an at least approximately equal thermal expansion coefficient as at least one of the bearing housing, the component, the guide vanes, and the vane mounting ring.

17. An exhaust gas supercharger, comprising:

at least one of a variable turbine and a compressor; and

a vane mounting ring with at least one guide vane rotatably mounted thereon, wherein the vane mounting ring is connected to a supercharger bearing housing by at least two rivets;

a separating device that keeps the vane mounting ring spaced apart from the bearing housing;

wherein the vane mounting ring is arranged axially between the bearing housing and a component forming a flow channel, wherein the at least two rivets penetrate the bearing housing and the component, and each of the rivets has on its end side one rivet head, which is supported on at least one of a component side and a bearing house side;

wherein the separating device permits the space between the vane mounting ring and bearing housing to vary and further comprising at least one sleeve positioned between the component and the vane mounting ring which defines a minimum distance between the component and the vane mounting ring.

18. An exhaust gas supercharger, comprising:

at least one of a variable turbine and a compressor; and

a vane mounting ring with at least one guide vane rotatably mounted thereon, wherein the vane mounting ring is connected to a supercharger bearing housing by at least two rivets;

a separating device that keeps the vane mounting ring spaced apart from the bearing housing;

wherein the vane mounting ring is arranged axially between the bearing housing and a component forming a flow channel, wherein the at least two rivets penetrate the bearing housing and the component, and each of the rivets has on its end side one rivet head, which is supported on at least one of a component side and a bearing house side,

wherein at least one spring positioned between the bearing housing and the vane mounting ring associated with each rivet, wherein the at least one spring pretensions the vane mounting ring away from the bearing housing.