Turbocharger
AssigneeBorgWarner Inc.
InventorChristian Holzschuh
Life of this patent
Estimating the term…
Abstract
The invention refers to a turbocharger with a compressor (8) which has a compressor wheel (9) which is fixed on one end of a rotor shaft (6); with a turbine (2) which has a turbine rotor (10) which comprises a turbine wheel (5) which has a connecting journal (17) which can be connected to a connecting section (12) of the rotor shaft (6), and with at least one piston ring groove (11, 11′) which is provided on the turbine rotor (10); wherein the piston ring groove (11, 11′) is arranged on the connecting journal (17).
Claims5
A turbocharger (1) comprising:
- a compressor (8), which has a compressor wheel (9) which is fixed on one end of a rotor shaft (6);
- a turbine (2), which has a turbine rotor (10), which comprises a turbine wheel (5) which has a connecting journal (17) which is connected to a connecting section (12) of the rotor shaft (6);
- and
- at least two piston ring grooves (11, 11′), arranged on the connecting journal (17) of the turbine rotor (10),
- wherein the connecting journal (17) of the turbine wheel (5) has a cylindrical cavity (15), the depth (L) of which is smaller than a length (B) of the connecting journal (17), measured from an axial shaft-side end face (14) of the rotor shaft (6) to a wheel back (13) of the turbine wheel (5), and wherein the piston ring grooves (11, 11′) surround the cavity (15).
A turbine rotor (10) of a turbocharger (1) comprising:
- a turbine wheel (5), which has a connecting journal (17) which is configured for connection to a connecting section (12) of a rotor shaft (6), the connecting journal (17) having a cavity (15) for receiving a portion of the rotor shaft (6), the connecting journal (17) extending from the turbine wheel (5) to an end,
- wherein at least one piston ring groove (11, 11′) is arranged on the connecting journal (17) proximate to the end thereof, the at least one piston ring groove (11, 11′) surrounding the cavity (15).
A turbine rotor (10) of a turbocharger (1) comprising:
- a turbine wheel (5) which has a connecting journal (17) connected to a connecting section (12) of a rotor shaft (6), and
- at least two piston ring grooves (11, 11′) arranged on the connecting journal (17) of the turbine rotor (10),
- wherein the connecting journal (17) of the turbine wheel (5) has a cylindrical cavity (15), the depth (L) of which is smaller than a length (B) of the connecting journal (17), measured from an axial shaft-side end face (14) of the rotor shaft (6) to a wheel back (13) of the turbine wheel (5), and wherein the piston ring grooves (11, 11′) surround the cavity (15).
Dependencies are inferred from the claim text.