METHOD OF IMPROVING VEHICLE TRANSMISSION OPERATION THROUGH USE OF SPECIFIC LUBRICANT COMPOSITIONS

A vehicle transmission incorporating a wet clutch, said clutch being lubricated by a transmission fluid containing a major amount of a lubricating oil and a minor amount of an additive composition including: (i) a compound of structure (I): wherein a is an integer from 1 to 10 and R is a hydrocarbon...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, Hahnsoo, GORDA, Keith Raymond, WATTS, Raymond
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A vehicle transmission incorporating a wet clutch, said clutch being lubricated by a transmission fluid containing a major amount of a lubricating oil and a minor amount of an additive composition including: (i) a compound of structure (I): wherein a is an integer from 1 to 10 and R is a hydrocarbon group made by the metallocene-catalysed polymerisation of an alphaolefin feedstock, said feedstock being 1-octene, 1-decene, 1-dodecene or any mixture thereof; (ii) a friction modifier; and (iii) an oil-soluble phosphorus compound.