In-Service Engine Oil Condition Monitoring - Opportunities and Challenges 942028

A vehicle system to monitor the actual condition of engine oil in service would provide the customer with the opportunity to utilize the full useful life of the oil and would minimize problems which can occur when oils remain in the engine too long and are excessively degraded and/or contaminated. This paper describes limitations of some systems which have been proposed, outlines the requirements and potential difficulties related to development of sensors designed to monitor changes in chemical properties of the oil, and describes laboratory and vehicle evaluations of a candidate sensor.


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