METHOD OF LUBRICATING A TRANSMISSION WHICH INCLUDES A SYNCHRONIZER WITH A NON-METALLIC SURFACE

The invention provides a method of lubricating a transmission which includes a synchronizer with a non-metallic surface, the method comprising supplying thereto a lubricant comprising: (a) an oil of lubricating viscosity; (b) an alkaline earth metal detergent; and (c) a non-aromatic carboxylic acid...

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Bibliographische Detailangaben
Hauptverfasser:	BROWN, GARETH, WALKER, GARY M
Format:	Patent
Sprache:	eng ; fre
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 invention provides a method of lubricating a transmission which includes a synchronizer with a non-metallic surface, the method comprising supplying thereto a lubricant comprising: (a) an oil of lubricating viscosity; (b) an alkaline earth metal detergent; and (c) a non-aromatic carboxylic acid or a salt thereof having 8 to 24 carbon atoms. Cette invention concerne un procédé de lubrification d'une boîte de vitesses qui comprend un synchroniseur ayant une surface non métallique, le procédé comprenant l'apport d'un lubrifiant comprenant : (a) une huile ayant une viscosité lubrifiante ; (b) un détergent de type métal alcalino-terreux ; et (c) un acide carboxylique aromatique ou un sel de celui-ci ayant de 8 à 24 atomes de carbone.