BRANCH MEMBER AND LUBRICATION STRUCTURE OF INTERNAL COMBUSTION ENGINE WITH THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a branch member capable of reducing swirls to be generated inside of the branch member and capable of preventing radiation of noise from structural parts of the lubrication structure without having an influence to hydraulic equipment provided on an upstream side of the branch member, and to provide lubrication structure of an internal combustion engine with the same. SOLUTION: This branch member 21 has a supply passage 31 for supplying oil and branch passages 33 and 34 divided from the supply passage 31 in a branch port part 32 on the supply passage 31. The branch member 21 also has a flow rate limit passage 35 formed on an upstream side of the branch port part 32 so as to limit a flow rate of the oil to be supplied into the supply passage 31. The supply passage 31 has a cross sectional area S2larger than the sum of a cross sectional area S3of the branch passage 33 and a cross sectional area S4of the branch passage 34, and has a cross sectional area larger than a cross sectional area S1of the flow rate limit passage 35. COPYRIGHT: (C)2010,JPO&INPIT