FIELD: engine engineering, applicable in ventilation system of internal combustion engine crankcase. SUBSTANCE: oil trap uses a filter element passing crankcase gases and from which separated oil is discharged through oil drain into the oil tank. Degreased gases are fed into the air intake of the internal combustion engine. Provision is made for an element for oil separation with microfibres and an element for rarefaction in the form of an ejector extension piece. EFFECT: enhanced efficiency. 5 cl, 1 dwg
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