FIELD: engine devices and pumps.
SUBSTANCE: crankshaft main bearing part (11) having a couple of metal elements (41) of the main bearing, a lubrication oil guided from the oil line to the inner circumferential lubrication groove (43) through a single-part lubrication channel (33) and the first lubrication hole (42). Some of the lubrication oil is supplied to the drive shaft bearing part (17) by means of the second lubrication hole (44) and a lubrication channel (34) inside the lid. The lubrication oil is directed from the third lubrication hole (46) in the couple of metal elements (45) of the drive shaft bearing to the inner circumferential lubrication groove (47). The lubrication groove (43) in the crankshaft main bearing part (11) acts in the same way as the lubrication channel for the lubrication oil supply to the drive shaft bearing part (17), thus providing a simple configuration.
EFFECT: simplified configuration of the lubrication channel.
7 cl, 4 dwg
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| INTERNAL COMBUSTION ENGINE | 2000 |
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