FREMGANGSMÅDE TIL SMØRING AF CYLINDER OG STEMPEL I EN INTERN TO-TAKTSFORBRÆNDINGSMOTOR

The present invention provides a lubricating composition comprising: an oil of lubricating viscosity; 3 wt % to 30 wt % of an alkaline earth or alkali metal sulphonate detergent; and an oil-soluble polyalkylene glycol having a distribution of molecular weight such that the molecules thereof have a w...

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Bibliographische Detailangaben
Hauptverfasser:	HOBSON, David M, CARNEY, Shaun P
Format:	Patent
Sprache:	dan
Schlagworte:	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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Beschreibung
Zusammenfassung:	The present invention provides a lubricating composition comprising: an oil of lubricating viscosity; 3 wt % to 30 wt % of an alkaline earth or alkali metal sulphonate detergent; and an oil-soluble polyalkylene glycol having a distribution of molecular weight such that the molecules thereof have a weight of 2500 to less than 10,000 Daltons and comprise 0.05 wt % to 3 wt % of the lubricating composition. The invention further provides a method of lubricating a 2-stroke internal combustion engine cylinder liner (and piston) with the lubricating composition.