INTERNAL COMBUSTION ENGINE LUBRICATING DEVICE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; internal combustion engines; lubrication systems. SUBSTANCE: device has cylinder block-and-crankcase unit accommodating crankshaft. The latter has crankpins and middle main journal. Oil lifting mechanism has gear wheel arranged in trough. Ring groove is made from outer side of crank cheek. Groove communicates with oil channel into which nipple projects. Shaped oil collector with central hole is installed in ring groove. Blind radial hole is made on end of oil channel extending to the middle of main journal. Radial hole communicates with ring groove located between insert and main journal. Additional oil channel into which nipple projects has blind radial hole communicating with ring groove and plug. Axes of oil channels are parallel to axis of crankshaft. Radius of central hole of shaped collector is smaller than distance between crankshaft axis and oil channel axis. EFFECT: enhanced reliability of engines. 2 cl, 2 dwg