No need of detergent dispersants in oil system for semi-permanent use and no waste oil of engine oil

摘要

A new system for semi-permanent use and no waste oil has been already used in practice in many marine diesel engines and some other fields. The system is called Kidney system. This system speedily removes sludge in engine oil and always keeps engine oil clean. Therefore, no detergent dispersants are needed and even harmful in this system. The authors have been trying to show the above mentioned feature of the system in a simple way. This paper reports a part of what the authors are trying.