OIL DEGRADATION SUPPRESSION DEVICE

摘要

The present invention provides an oil deterioration prevention device that can prevent increase in pressure loss by reducing oilflow resistance. An oil deterioration prevention device 1 according to the present invention includes a filtering unit 3 with a filter element 10 that filters oil; and a deterioration prevention unit 4 having a powdery deterioration prevention agent 17 that prevents deterioration of oil, wherein out of oil fed from an oil containing unit 9, oil filtered by the filtering unit is fed to a part to be lubricated, and oil that is prevented from being deteriorated by the deterioration prevention unit is returned to the oil containing unit or sent to the part to be lubricated.