TURBO-COMPRESSOR Russian patent published in 2002 - IPC

FIELD: turbo-supercharging of internal combustion engines. SUBSTANCE: proposed turbo-compressor includes rotor mounted in housing by means of bearing unit, turbine wheel and compressor with bushes mounted as cantilevers, seals main and additional oil sealing chambers. Additional oil sealing chamber is formed by inner surface of separating bush, end surfaces of protective rings, surface of circular recess of compressor bush and is connected by axial and radial passages with initial section of circular diffuser. EFFECT: enhanced reliability and durability due to reduced entrainment of lubricating oil into flow section of compressor from drain cavity of bearing unit. 3 cl, 1 dwg