LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a boron-containing ashless dispersant. The ashless dispe...

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Bibliographic Details
Main Authors DIETZ, Jeffry, G, SAMMUT, Alexander, GALIC RAGUZ, Mary, MOSIER, Patrick, E, GIESELMAN, Matthew, D
Format Patent
LanguageEnglish
French
German
Published 31.01.2018
Subjects
CHEMISTRY
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
METALLURGY
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Summary:The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a boron-containing ashless dispersant. The ashless dispersant may be selected from succinimide compounds prepared for aliphatic or aromatic amines.
Bibliography:Application Number: EP20160714151