| 摘要 |
PROBLEM TO BE SOLVED: To provide an internal combustion engine oil degradation suppression device capable of ensuring the removal of relatively small foreign matter that can be removed insufficiently by a conventional oil filter, without great influence of temperature.SOLUTION: An internal combustion engine oil degradation suppression device comprises: a first oil filter; and a second oil filter, and is configured so that the first oil filter includes a first filter member for filtering oil from an oil pan storing the oil, the second oil filter includes a second filter member formed of a ceramic material for filtering the oil from the oil pan, the second filter member is smaller than the first filter member in average pore diameter.SELECTED DRAWING: Figure 2 |
