Turbocharger Turbine Rotor and Turbocharger

• Main Authors: ROST STEFAN, KUHHORN ARNOLD, LEITENMEIER CHRISTOPH, BORNHORN ALFONS, FIGASCHEWSKY FELIX, BEIROW BERND
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2020
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; COMBUSTION ENGINES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; ENGINE PLANTS IN GENERAL; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

The invention relates to a turbocharger turbine rotor and a turbocharger. A turbocharger turbine rotor having a rotor base body (2) with moving blades (3) integrally formed on the rotor base body (2),wherein the moving blades (3) are formed without a shroud, the moving blades (3) forming a defined curvature region (4) merge into the rotor base body (2) with a defined constant or variable radius of curvature rf. On the first set of first moving blades (3), the following relationship is applied to the radius of curvature of the curvature region (4) of the first moving blades (3): 2.5% < = rf1 *100/l < = 10%, wherein rf1 is a constant or variable radius of curvature of the curvature region of the first moving blades, and l is the length of the first moving blades on the flow trailing edge (6). On the second set of second moving blades (3), the radius of curvature rf2 of the curvature region (4) of the second moving blades (3) deviates from the radius of curvature rf1 of the curvature region (4) of the first movi