| 摘要 |
PROBLEM TO BE SOLVED: To collect the dust in the atmospheric air taken in a crank case using the oil contained in blow-by gas. SOLUTION: An oil reservoir case 1 is arranged in the lead-out end opening 2a of a breather pipe 2. A guide cylinder 5 is installed on the ceiling wall 7 of the oil reservoir case 1, and the upper end section of the guide cylinder 5 is fitted in the lead-out end opening 2a of a breather pipe 2, and the lower end section of the guide cylinder 5 is provided perpendicularly toward the inner bottom section 8 of the oil reservoir case 1, and a vent 9 is provided in the oil reservoir case 1 around the guide cylinder 5.
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