Lubricating compositions
    11.
    发明专利

    公开(公告)号:AU2006301982B2

    公开(公告)日:2011-06-30

    申请号:AU2006301982

    申请日:2006-10-13

    Applicant: LUBRIZOL CORP

    Abstract: A method of lubricating a marine diesel 2-stroke engine comprising: (1) monitoring performance characteristics of said engine; (2) selecting a lubricating composition to modify the performance characteristics of the engine, wherein the lubricating composition is prepared by in-situ controlled blending of at least two different fluids, said fluids comprising: (i) a first fluid comprising an additive package with one or more overbased detergents, and optionally other performance additives; (ii) a second fluid comprising an additive package with one or more neutral detergents or overbased detergents, and optionally other performance additives, with the proviso that the first fluid has a ratio of &Sgr; (wt % of overbased detergents)/ &Sgr; (wt % of all additives in the fluid) greater than the second fluid; and (iii) a third fluid comprising an oil of lubricating viscosity; and (3) supplying the lubricating composition of step (2) to the engine, with the proviso that the lubricating composition comprises at least one of the first fluid or the second fluid.

    LUBRICATING COMPOSITIONS
    16.
    发明专利

    公开(公告)号:SG10202012633WA

    公开(公告)日:2021-01-28

    申请号:SG10202012633W

    申请日:2017-06-14

    Applicant: LUBRIZOL CORP

    Abstract: A lubricating composition suited to use in lubricating an internal combustion engine includes an oil of lubricating viscosity and a compound comprising a polyolefin-substituted bridged hydroxyaromatic compound or metal salt thereof, wherein the polyolefin is derived from a isobutylene having a number average molecular weight of 150 to 800.

    ALKALI METAL SALTS TO MINIMIZE TURBO SLUDGE

    公开(公告)号:CA2724286C

    公开(公告)日:2017-05-02

    申请号:CA2724286

    申请日:2009-05-07

    Applicant: LUBRIZOL CORP

    Abstract: Turbo sludge formation is Improved in a turbo-charged, sump-lubricated internal combustion engine which is susceptible to contamination of lubricant with liquid fuel by providing said engine with a lubricant which contains an amount of an oil-soluble alkali metal salt effective to reduce the deterioration of said lubricant and said fuel contaminant.

    AMINIC ANTIOXIDANTS TO MINIMIZE TURBO SLUDGE

    公开(公告)号:CA2724289A1

    公开(公告)日:2009-11-19

    申请号:CA2724289

    申请日:2009-05-07

    Applicant: LUBRIZOL CORP

    Abstract: A turbo-charged, sump-lubricated internal combustion engine which is susceptible to contamination of lubricant with liquid fuel, is lubricated with a lubricant which contains an amount of an aminic antioxidant, optionally in the absence of a phenolic antioxidant, thereby reducing the deterioration of said lubricant and formation of turbo sludge.

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