Magnetizable axial-thrust bearing disk for turbocharger of internal combustion engine, has rotor shaft, and magnetic bearing arrangement provided with electromagnet device, where thickness and width of disk are variable

• Main Authors: BACHMAIER, GEORG, GERLICH, MATTHIAS, BERGMANN, DOMINIK, TUMP, CHRISTIAN
• Format: Patent
• Language: English; German
• Published: 04.11.2010
• 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; INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS; INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

The disk (10) has a rotor shaft (12), and a magnetic bearing arrangement (14) provided with an electromagnet device (16) on sides (18, 20) of the disk. Thickness and width of a cross section of the bearing disk are formed in such a manner that the bearing disk includes a sufficiently large magnetic surface and small moment of inertia at the same time, where the thickness and the width of the bearing disk are variable. Sides of the bearing disk include a conical section with an offset such that the thickness and width decrease continuously from inside to outside of the disk. Die Erfindung betrifft eine magnetisierbare Axiallagerscheibe für einen Turbolader, wobei die Dicke bzw. die Breite des Querschnitts der Axiallagerscheibe variiert.