John J. Mullay - Mentor OH, US My Hang Truong - Mentor OH, US David A. Duncan - Willoughby Hills OH, US Patrick E. Mosier - Bay Village OH, US Mary Galic Raguz - Mentor OH, US
Assignee:
THE LUBRIZOL CORPORATION - Wickliffe OH
International Classification:
C10M 129/18 C10M 133/44
US Classification:
508287, 508304
Abstract:
Formation of high-aqueous content sludge may be reduced in a sump lubricated diesel engine lubricated with a lubricating oil formulation that contains at least 0.07 or 0.08 weight percent nitrogen derived from one or more nitrogen-containing ashless dispersants, by including in the lubricant a polyalkylene oxide.