OIL DETERIORATION SUPPRESSION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an oil deterioration suppression device which improves the collection efficiency of an oil-deteriorated component, and can suppress an increase of a pressure loss by reducing oil passage resistance.SOLUTION: An oil deterioration suppression device 1 comprises a filtering part 3 having a filtering material 10 for filtering oil, and a deterioration suppression part 4 having a powdery deterioration suppressing agent 15 for suppressing the deterioration of oil. The deterioration suppression part comprises a passage wall 16 for holding the deterioration suppressing agent and forming an oil passage. The deterioration suppressing agent includes a mesoporous inorganic material.