| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a blowby gas reflux device whose blowby gas passage has a superior heat-retaining characteristic and which is at a low cost and suffers little risk of being frozen. <P>SOLUTION: A blowby gas return device is disposed with an oil mist separator in an engine side portion opposite to an engine air-intake system, thereby separates oil mist in the blowby gas is separated with the oil mist separator and then returns the blowby gas to the engine air-intake system, wherein a pipe passing through the inside of a plastic valve cover is molded integrally to the valve cover attached over the cylinder head of the engine, the pipe is then connected at its one end to the engine air-intake system, and at its other end connected to the oil mist separator using a piping material comprised of a pipe or tube, and a blowby gas passage through which the blowby gas is flowed down from the oil mist separator to the engine air-intake system is thereby provided. <P>COPYRIGHT: (C)2012,JPO&INPIT |
