| 摘要 |
PURPOSE: To provide a lubricating oil circulating device of an internal combustion engine which is favorable in cost, capable of improving the service life of a filter and a lubricating oil, and excellent in purification of the lubricating oil. CONSTITUTION: A gear pump 2 is provided to feed a lubricating oil from an oil pan 1 to a pressure pipe 5 for the main flow to feed the lubricating oil to parts 3 to be lubricated, and a conduit 7 for the sub flow. A lubricating oil filter is provided in the main flow system and the sub flow system. This means, a centrifugal separator 8 is provided in the conduit 7, and a disk filter, a sintered filter or a filtering filter 6 is arranged in the pressure pipe 5. In addition, an electric functional monitor is provided for the centrifugal separator 8. |
