Turbocharger with a fluid-dynamic slide bearing, or fluid-dynamic slide bearing

17:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 16, wherein:
• the support section of the rotor shaft and at least one of the contour sections of the rotor bearing surface of the rotor part overlap at least sectionally in the direction of the axis of rotation.

18:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 16, wherein:
• a radial clearance between the support section of the rotor shaft and the rotor part is smaller than a radial clearance between the contour sections of the rotor bearing surface of the rotor part and the counterface of the counter-bearing part.

19:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 18, wherein:
• the radial clearance between the support section of the rotor shaft and the rotor part is less than 80% of the radial clearance between the contour sections of the rotor bearing surface of the rotor part and the counterface of the counter-bearing part.

20:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 18, wherein:
• the radial clearance between the support section of the rotor shaft and the rotor part is less than 60% of the radial clearance between the contour sections of the rotor bearing surface of the rotor part and the counterface of the counter-bearing part.

21:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 16, wherein:
• a snug fit is formed between the support section of the rotor shaft and the rotor part.

22:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 16, further comprising:
• a bearing housing or a housing part, the counter-bearing part being mounted in the bearing housing or housing part such that a circumferential gap area for forming a trapped oil film is formed between an outer contour of the counter-bearing part and the bearing housing or the housing part, wherein the circumferential gap area is spatially connected to a lubricant guide channel, and wherein the circumferential gap area and the support section of the rotor shaft at least sectionally overlap in the direction of the axis of rotation.

23:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 22, wherein:
• a radial clearance between the counter-bearing part and the bearing housing or the housing part is greater than a radial clearance between the rotor bearing surface of the rotor part and the counterface of the counter-bearing part.

24:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 22, wherein:
• a relative radial clearance between the counter-bearing part and the bearing housing or the housing part is in a range from 5 to 10 per mil with reference to an outer diameter of the circumferential gap area.

25:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 22, wherein:
• a relative radial clearance between the counter-bearing part and the bearing housing or the housing part is in a range from 7 to 9 per mil with reference to an outer diameter of the circumferential gap area.

26:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 22, wherein:
• an axial overlap in the direction of the axis of rotation between the counter-bearing part and the bearing housing or the housing part in the circumferential gap area for the formation of the trapped oil film is dimensioned such that a ratio of an extension of the circumferential gap area in the direction of the axis of rotation to a radial clearance between the counter-bearing part and the bearing housing or the housing part is in a range of from 40 to 80.

27:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 26, wherein:
• the range is from 45 to 70.

28:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 22, wherein:
• a radial clearance between the counter-bearing part and the bearing housing or the housing part in the circumferential gap area and an axial extension of the circumferential gap area are defined by the relation:
• the axial extension of the circumferential gap area in millimeters equals 9 minus C times the radial clearance in millimeters, where C is in a range from 61 to 75.

29:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 28, wherein:
• C is in a range from 66 to 70.

30:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 16, wherein:
• the rotor part includes a base part including at least one seal mount for receiving a sealing element.

33:

• The exhaust gas turbocharger having the hydrodynamic bearing or the hydrodynamic bearing of claim 16, wherein:
• the continuous bearing contour of the rotor bearing surface or the counterface formed from the contour sections is continuously differentiable at least once in a section along and through the axis of rotation in sectional view.

35:

• The hydrodynamic bearing according to claim 16 incorporated in a bearing assembly.