| 摘要 |
PROBLEM TO BE SOLVED: To facilitate installation work without using a hose which is susceptible to deterioration and an additional clamping member, by providing a blowby gas circulating device of a type that returns blowby gas generating in a crank case to an intake manifold through a cylinder head cover. SOLUTION: A gas outlet 11c is disposed sidewise on part of a ceiling wall of the cylinder head cover 11. To a window hole of a front wall of the gas outlet 11c, a gas control valve 13 is mounted through a first eyelet 14a made of elastic material. To a valve case 13a of the gas control valve 13, a second eyelet 14b is fitted. An intake pipe 12d of a predetermined length protrudes from a plenum chamber 12a to an engine side, and a tip of the pipe 12d is airtightly fitted to the second eyelet tool 14b on the valve case 13a. Therefore, the plenum chamber 12a is connected to the cylinder cover 11 without using a hose or a clamp. The blowby gas generated in the crank case C is guided to a separating chamber 11s through a longitudinal passage and an air vent 11d of a partition board 11a, and then is fed to the intake manifold 12 through the control valve 13 and the intake pipe 12d.
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