| 摘要 |
A blow-up gas recirculating apparatus for returning blow-by gases from the crankcase of an internal combustion engine to an intake passage thereof includes a shield panel attached to a cylinder head cover in substantially covering relating to a DOHC valve mechanism housed in a cylinder head. A breather chamber is defined between the cylinder head cover and the shield panel and communicates with the interior of the cylinder head and an air intake unit, such as an air cleaner, of the internal combustion engine. The breather chamber comprises first through third breather chamber sections interconnected by constricted passages, While blow-by gases are flowing through the breather chamber, an oil mist can reliably be separated from the blow-by gases.
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