DETERIORATION EVALUATION DEVICE FOR LUBRICATING OIL AND DETERIORATION EVALUATION SYSTEM FOR LUBRICATING OIL

摘要

PROBLEM TO BE SOLVED: To provide the deterioration evaluation device of lubricating oil and the deterioration evaluation system of lubricating oil for comprehensively evaluating the deteriorating state of lubricating oil, and for determining the deteriorating state of lubricating oil.;SOLUTION: A deterioration evaluation device 11 of lubricating oil includes: a lubricating oil fractionation line L21 for extracting a part of lubricating oil 15 which is discharged from a step-up gear 14; a lubricating oil property analysis device 21 for analyzing at least contaminant contained in the extracted lubricating oil 15 and the viscosity of the lubricating oil 15; a new oil supply line L22 for supplying new oil 23 to the lubricating oil property analysis device 21; and a lubricating oil deterioration determination device 22 for classifying the analysis results of the quantity of contaminant contained in the lubricating oil 15 and the new oil 23 and the viscosity of the lubricating oil 15 and the new oil 23 analyzed by the lubricating oil property analysis device 21 into four stages (evaluation A to D) for evaluation, and for comprehensively evaluating the deteriorating state of the lubricating oil 15 on the basis of the evaluation results of the quantity of the contaminant contained in the lubricating oil 15 and the new oil 23 and the viscosity of the lubricating oil 15 and the new oil 23.;COPYRIGHT: (C)2013,JPO&INPIT