| 摘要 |
PROBLEM TO BE SOLVED: To certainly bring blow-by gas to a chamber and mix it substantially uniform in the chamber.SOLUTION: An intake manifold includes: an intake introduction pipe 22 extending from a crankcase 30 side of an engine to a cylinder head side; a chamber 18 communicating with the intake introduction pipe 22; a branch pipe 34 communicating with the chamber 18, extending from the cylinder head side to the crankcase 30 side, and communicating with a combustion chamber 36; and a blow-by gas introduction pipe 14 for introducing blow-by gas. The blow-by gas introduction pipe 14 is provided which is connected to a communication path 38 bringing communication between the intake introduction pipe 22 and the chamber 18 to communicate therewith. |
