| 摘要 |
The present invention relates to an oil-lubricated working machine, in particular a motor vehicle internal combustion engine, comprising a hollow chamber filled with an oil-containing gas and a ventilation channel (1) which is connected to the hollow chamber and is used for discharging gas from said hollow chamber, said ventilation channel (1) having a free flow cross-section (2) extending in a direction of flow (S) of the ventilation channel (1) and being arranged at an angle of between 45° and 90° relative to a horizontal plane. According to the invention, the ventilation channel (1) has, outside of said free flow cross-section (2) and on an inner wall, a plurality of ribs (3, 3') or grooves (7) arranged one after another in the direction of flow (S). |
