LUBRICATION SYSTEM OF INTERNAL COMBUSTION ENGINE Russian patent published in 1994 - IPC

FIELD: engine manufacture. SUBSTANCE: lubrication system has vessel 1 for circulation oil, main pump 2, self-cleaning filter 3 with line 4 of continuous drain, centrifugal filter 6 with drive, auxiliary pump 8 drive, separator 10. Inlet of auxiliary pump 8 communicates with line 4 of continuous drain and through separator 10 with vessel 1. Such design of lubrication system makes it possible to reduce operational expenses due to intensification of recovery of filtering surfaces of self-cleaning filter and to improve operation of centrifugal filter. Description specified versions of separator. EFFECT: reduced operational expenses, improved operation of centrifugal filter. 9 cl, 6 dwg