| 摘要 |
PROBLEM TO BE SOLVED: To provide a closed ventilated system causing less damage thereto even if a check valve fails and enabling a reduction in cost by abolishing the check valve or reducing the number of components. SOLUTION: In this closed ventilated system of an internal combustion engine having an oil separating means 1 to recirculate blowby gas into an intake system K, an auxiliary drive means internally communicating with the inside of a crankcase is installed in the internal combustion engine. A pipe 4 recirculating an oil separated and recovered from the blowby gas by the oil separating means 1 is connected to the oil separating means 1 at its one end and to the casing 12 of an auxiliary drive means at its other end. The recovered oil is recirculated from the crankcase to an oil pan through the casing 12 of the auxiliary drive means. COPYRIGHT: (C)2006,JPO&NCIPI
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