| 摘要 |
PROBLEM TO BE SOLVED: To provide an auxiliary machine driving structure of an engine capable of securing simplification of a constitution and further securing supporting rigidity of an auxiliary machine.SOLUTION: A chain sprocket 6 rotated and driven by a crank shaft, cam sprockets 12, 14, and a timing chain 16 wound on the sprockets 6, 12, 14 are disposed, and the timing chain 16 includes a chain guide 20 with which guide faces 22, 26 are slidably kept into contact, and an oil pump 30 which is disposed on the chain guide 20, and in which an auxiliary machine sprocket 33 is engaged with the timing chain 16. Mounting supporting rigidity of the oil pump 30 can be secured with a simple constitution only by mounting the oil pump 30 on the chain guide 20. By mounting and supporting the oil pump 30 on the chain guide 20, the oil pump 30 is disposed in an installation range of the chain guide 20, an exclusive auxiliary machine installation space can be eliminated, and a degree of freedom in layout can be secured. |
