Method of lubricating a tractor hydraulic

Details Method of lubricating a tractor hydraulic Method of lubricating a tractor hydraulic

C - Chemistry, Metallurgy

10

M

C10M 137/06 (2006.01) C10M 137/08 (2006.01)

Patent

CA 2731227

The present invention relates to a method of lubricating a tractor with a lubricating composition containing: an oil of lubricating viscosity and a sulphur-free phosphorus-containing salt of either (i) a hydroxy-substituted di-ester of phosphoric acid, or (ii) a phosphorylated hydroxy-substituted di- or tri-ester of phosphoric acid.

La présente invention concerne un procédé de lubrification d'un tracteur avec une composition lubrifiante contenant : une huile de viscosité assurant la lubrification et un sel sans soufre contenant du phosphore de (i) un diester d'acide phosphorique substitué par un groupe hydroxy, ou (ii) un di- ou tri-ester d'acide phosphorique substitué par un groupe hydroxy phosphorylé.

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