Lubricant compositions

A lubricant composition comprises a base oil and an additive composition comprising: a detergent, wherein the detergent is an overbased phenate detergent; and an additive, wherein the additive is zinc dialkyl dithiophosphate. The additive composition exhibits at least one. of reduced thin-film frict...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MARK T DEVLIN, TZEI JAO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS 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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Beschreibung
Zusammenfassung:	A lubricant composition comprises a base oil and an additive composition comprising: a detergent, wherein the detergent is an overbased phenate detergent; and an additive, wherein the additive is zinc dialkyl dithiophosphate. The additive composition exhibits at least one. of reduced thin-film friction and increased fuel efficiency as compared to an additive composition that is devoid of the detergent and the additive. The lubricant composition can be used to lubricate an engine, a transmission or a gear set.