| 摘要 |
An oil mist separator includes: an inlet chamber including a blowby gas inlet; an outlet chamber including a blowby gas outlet, and a bottom wall; an oil mist separation section disposed between the inlet chamber and the outlet chamber; an oil recovering chamber which includes an oil recovering chamber bottom wall located below the bottom wall of the outlet chamber, and which is defined between the bottom wall of the outlet chamber, and the oil recovering chamber bottom wall; an oil communication hole which is opened in the bottom wall of the outlet chamber, and which connects the oil recovering chamber and the outlet chamber; a drain pipe which protrudes in a downward direction from a bottom surface of the oil recovering chamber; and a check valve which is provided at a tip end opening of the drain pipe. |
