DIESEL ENGINE TURBOSUPERCHARGER Russian patent published in 2004 - IPC

FIELD: mechanical engineering; diesel engines. SUBSTANCE: invention relates to bearing units. Proposed turbo supercharger contains middle turbine and compressor housings, two rotating bushings, thrust bearing and rotor with washers and with turbine and compressor wheels. Shaft of rotor is freely fitted into inner holes of rotating bushings, working surfaces of thrust bearing are pointed to corresponding thrust washers and in middle part of each rotating bushing ring groove (Fig.2) is made with inclined radial holes at angle of 30^o - 60^o in radial direction to side of rotation of rotor shaft and uniformly distributed over circumference of ring groove. EFFECT: increased capacity and service life of turbosupercharger. 2 dwg