| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil separator for blow-by gas that can prevent oil discharged to an oil receiving chamber from flowing back into cyclones.SOLUTION: An oil separator for blow-by gas includes: a plurality of cyclones B to which blow-by gas of an internal combustion engine is supplied and each of which has on the lower side an oil discharge port 4 for separating and discharging oil mist included in the blow-by gas and on the upper side a blow-by gas outlet 5 for making the blow-by gas from which oil has been separated flow out; an oil receiving portion 6 opposing to the oil discharge ports 4 of the plurality of cyclones B; a blow-by gas flowing portion 3 communicated with the blow-by gas outlets 5 of the plurality of cyclones B and connected to an intake passage of the internal combustion engine via a flow valve; and partition walls 14 each arranged in an oil receiving chamber 2 formed by the plurality of cyclones B and the oil receiving portion 6 to partition the oil discharge ports 4 adjacent to each other. |
