| 摘要 |
PROBLEM TO BE SOLVED: To provide a chain case capable of sending downward oil in an engine upper part for removing oil from a blow-by gas and sending the same to the engine upper part.SOLUTION: In the inside of the chain case C, there are formed a chain storage space Sa where a timing chain 11 is disposed, an oil guide space Sb for having an oil in an engine upper part flow downward, and a gas guide space Sc for having a blow-by gas from a crank chamber distributed upward. A case-like member 30 of a liquid-tight structure is provided as the gas guide space Sc. The case-like member 30 sucks in the blow-by gas in the crank chamber to a gas guide cylinder 34 in a lower position for sending out the same from a gas discharge cylinder 33 in an upper part. |
