| 摘要 |
PURPOSE: A PCV(Positive Crankcase Ventilation) anti-freezing device of a two-cylinder engine is provided to prevent the freezing by separating oil before the blow-by gas reaches an end part of a nipple. CONSTITUTION: A PCV(Positive Crankcase Ventilation) anti-freezing device of a two-cylinder engine comprises a PCV nipple(20) and an oil separator(30). The PCV nipple is connected to an intake manifold(10) of a two-cylinder engine. The oil separator is formed inside the PCV nipple. A vertical groove(32) of the oil separator is formed vertically to a flow direction of blow-by gas passing through the PCV nipple.
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