LUBRICATING OIL COMPOSITIONS CONTAINING NON-SULFUR-PHOSPHORUS CONTAINING ZINC COMPOUNDS AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one non-sulfur-phosphorus containing zinc compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible non-sulfur-phosphorus containing zinc compound. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 200 to about 3000 ppm of zinc metal from at least one non-sulfur-phosphorus containing zinc compound , based on the total weight of the lubricating oil composition.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the non-sulfur-phosphorus containing zinc compound is a zinc alkoxide or thiolate compound claim 1 , zinc aryloxide or arylthiolate compound claim 1 , colloidal dispersion of zinc oxide claim 1 , stable colloidal zinc suspension claim 1 , zinc amido compound claim 1 , zinc acetylacetonate compound claim 1 , zinc carboxylate claim 1 , zinc alkylhydroxybenzoate claim 1 , zinc arylsulfonate claim 1 , zinc sulfurized phenate claim 1 , zinc dithiocarbamato complex claim 1 , zinc salen complex claim 1 , bimetallic zinc complex claim 1 , zinc phosphate ester claim 1 , zinc phospinate claim 1 , zinc phosphinite complex claim 1 , zinc pyridyl complex claim 1 , zinc polypyridyl complex claim 1 , zinc quinolinolato complex claim 1 , zinc succinimide.5. The method of claim 1 , wherein the lubricating oil composition ...

LUBRICATING OIL COMPOSITIONS CONTAINING ZIRCONIUM AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one zirconium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible zirconium-containing compound. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 50 to about 3000 ppm of metal from at least one zirconium-containing compound , based on the total weight of the lubricating oil composition.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the zirconium-containing compound is a zirconium alkoxide compound claim 1 , colloidal dispersion of zirconia claim 1 , zirconium amido compound claim 1 , zirconium acetylacetonate compound claim 1 , zirconium carboxylate claim 1 , zirconium salicylate claim 1 , zirconium arylsulfonate claim 1 , zirconium sulfurized or unsulfurized phenate claim 1 , dialkyl claim 1 , dihalo or thiocarbamto claim 1 , thiophosphato bis(cyclopentadienyl)zirconium compound claim 1 , dithiocarbamato zirconium complex claim 1 , dithiophosphato complex claim 1 , salen zirconium complex claim 1 , phosphate ester claim 1 , phospinate claim 1 , or phosphinite zirconium complex claim 1 , pyridyl claim 1 , polypyridyl claim 1 , or quinolinolato zirconium complex claim 1 , zirconium succinimide complex claim 1 , or zirconium colloidal suspension.5. The method of claim 1 , wherein the ...

Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

R1, R2, R3, and R4 are each independently selected from hydrogen, aromatic ring, and a C1-C20 alkyl group and R5 is hydrogen or an alcohol having the structure —(CH)R6—OH. R6 is hydrogen, a C1-C10 alkyl group, or a C1-C10 alkenyl group, or a salt thereof.

METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES WITH COBALT-CONTAINING LUBRICANT

Disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible cobalt-containing compound. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 25 to about 3000 ppm of metal from at least one cobalt-containing compound , based on the total weight of the lubricating oil composition;wherein, when the cobalt compound is a cobalt carboxylate, the carboxylate is branched and saturated.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the cobalt-containing compound is a cobalt alkoxide compound claim 1 , colloidal dispersion of a cobalt salt claim 1 , cobalt amido compound claim 1 , cobalt acetylacetonate compound claim 1 , cobalt branched and saturated carboxylate compound claim 1 , cobalt salicylate compound claim 1 , cobalt arylsulfonate compound claim 1 , cobalt sulfurized or unsulfurized phenate compound claim 1 , bis(cyclopentadienyl)cobalt compound claim 1 , dithiocarbamato cobalt complex claim 1 , dithiophosphato cobalt complex claim 1 , salen cobalt complex claim 1 , phosphate ester claim 1 , phospinate claim 1 , or phosphinite cobalt complex claim 1 , pyridyl claim 1 , polypyridyl claim 1 , quinolinolato claim 1 , or isoquinolato cobalt complex claim 1 , glyoximato cobalt complex claim 1 , alkyldiamino cobalt complex claim 1 , azamacrocyclic cobalt complex claim 1 , cobalt alkylsufonate compound claim 1 , cobalt basic nitrogen succinimide complex claim 1 , cobalt sulfanyl ...

HYDRIDE DONORS AS AN ADDITIVE FOR REDUCING LOW SPEED PRE-IGNITION EVENTS

Fuel and lubricant compositions are provided that contain an organic hydride-based reductant. Methods for preventing or reducing low speed pre-ignition events in an internal combustion engines using these compositions are also provided. 1. A fuel composition comprising (1) greater than 50 wt. % of a hydrocarbon fuel boiling in gasoline or diesel range and (2) a minor amount of one or more of organic hydride-based reductant.2. The fuel composition of claim 1 , wherein the organic hydride-based reductant is substantially free of halogen claim 1 , boron claim 1 , or silicon.3. The fuel composition of claim 1 , wherein the organic hydride-based reductant is dihydropyridine claim 1 , nicotinamide adenine dinucleotide claim 1 , methylene tetrahydromethanopterin claim 1 , acridine claim 1 , triarylmethane claim 1 , hexahydro triazaphenalene claim 1 , triamine claim 1 , aryl benzoimidazoline claim 1 , dioxolane claim 1 , diethercyclohexadiene claim 1 , cycloheptatriene claim 1 , flavin adenine dinucleotide claim 1 , or an analog thereof.4. The fuel composition of claim 1 , wherein the organic hydride-based reductant is present in 25 to 5000 ppm by weight.5. The fuel composition of claim 1 , wherein the organic hydride-based reductant is present in 250 to 2000 ppm by weight.6. The fuel composition of claim 1 , further comprising:oxygenate, anti-knock agent, detergent, dispersant, friction modifier, antioxidant, metal deactivator, demulsifier, pour point depressant, flow improver, cetane improver, or lubricity additive.7. A method of preventing or reducing undesirable ignition events in an internal combustion engine claim 1 , the method comprising:supplying to the engine, a fuel composition comprising (1) greater than 50 wt. % of a hydrocarbon fuel boiling in gasoline or diesel range and (2) a minor amount of one or more of organic hydride-based reductant8. The method of claim 7 , wherein the internal combustion engine is spark-ignited.9. The method of claim 7 , wherein the ...

BIMODAL COPOLYMER COMPOSITIONS USEFUL AS OIL MODIFIERS AND LUBRICATING OILS COMPRISING THE SAME

Lubricating oil compositions are provided which contain bimodal copolymer compositions, and in particular bimodal ethylene-α-olefin copolymer compositions. The copolymer compositions comprise first and second ethylene-α-olefin copolymer components. The bimodal compositions are particularly useful as viscosity or rheology modifiers, e.g., in lubricating oil compositions. Lubricating oil compositions comprising the copolymer compositions advantageously exhibit enhanced shear stability index (SSI) and thickening efficiency (TE) values, while maintaining excellent low-temperature properties such as pour point, mini-rotary viscometer viscosity, and cold crank simulation performance. 1. A lubricating oil comprising:(1) at least 50 wt % of a base oil, based on the weight of the lubricating oil; and [{'sub': 3', '20', 'A, '(a) 30-70 wt %, based on the weight of the copolymer composition, of a first ethylene-α-olefin copolymer component comprising (i) 50 to 85 wt %, based on the weight of the first ethylene-α-olefin copolymer component, units derived from ethylene and (ii) units derived from a C-Cα-olefin comonomer, having melt flow rate MFRwithin the range from 0.5 to 25 g/10 min (ASTM D1238, 230° C./2.16 kg); and'}, {'sub': 3', '20', 'B, '(b) 30-70 wt %, based on the weight of the copolymer composition, of a second ethylene-α-olefin copolymer component comprising (i) 40 to 60 wt %, based on the weight of the second ethylene-α-olefin copolymer component, units derived from ethylene and (ii) units derived from a C-Cα-olefin comonomer, having MFRwithin the range from 0.1 to 10.0 g/10 min (ASTM D1238, 230° C./2.16 kg);'}, {'sub': A', 'B, 'wherein the inter-component MFR ratio MFR/MFRis within the range from 0.2 to 75.0, and'}, {'sub': 'm', 'further wherein the copolymer composition has each of the following: (i) overall ethylene content within the range from 15 to 85 wt %, based on the weight of the copolymer composition; (ii) MFR within the range from 1.0 to 6.0 g/10 min; ( ...

LUBRICATING OIL COMPOSITIONS AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one potassium and/or lithium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible potassium and/or lithium compound. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 300 to about 3500 ppm of metal from at least one potassium-containing compound , based on the total weight of the lubricating oil.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the potassium-containing compound is a potassium-containing detergent.5. The method of claim 4 , wherein the detergent comprises one or more of a sulfonate detergent claim 4 , a phenate detergent claim 4 , a carboxylate detergent claim 4 , a salicylate detergent claim 4 , or combinations thereof6. The method of claim 1 , wherein the lubricant composition further comprises at least one other additive selected from an ashless dispersant claim 1 , an ashless antioxidant claim 1 , a phosphorus- containing anti-wear additive claim 1 , a friction modifier claim 1 , and a polymeric viscosity modifier.7. The method of any one of to claim 1 , wherein there is a reduction in the number of LSPI events of at least 50 percent claim 1 , at least 60 percent claim 1 , at least 70 percent claim 1 , at least 80 percent claim 1 , at least 90 percent claim 1 , at least 95 ...

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

Disclosed is a lubricating engine oil composition comprising a lubricating oil base stock as a major component, and at least one metal or metalloid hydrogen atom donor compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one metal or metalloid hydrogen atom donor compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine. 1. A lubricating oil composition comprising a metal or metalloid hydrogen atom donor compound selected from the group consisting of silicon hydrides , germanium hydrides , and tin hydrides.11. The lubricating oil composition of claim 1 , wherein the composition further comprises a detergent selected from calcium detergents claim 1 , magnesium detergents claim 1 , sodium detergents claim 1 , lithium detergents claim 1 , and potassium detergents.12. The lubricating oil composition of claim 11 , wherein the detergent is a carboxylate claim 11 , salicylate claim 11 , phenate claim 11 , or sulfonate detergent.13. The lubricating oil composition of claim 1 , wherein the composition further comprises a molybdenum containing compound.14. The lubricating oil composition of claim 1 , wherein the composition further comprises at least one other additive selected from an ashless dispersant claim 1 , an ashless antioxidant claim 1 , a phosphorus- containing anti-wear additive claim 1 , a friction modifier claim 1 , and a polymeric viscosity modifier.15. A method for preventing or reducing low speed pre-ignition in a direct injected claim 1 , boosted claim 1 , spark ignited internal combustion engine claim 1 , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 25 to about 3000 ppm of metal from at least one metal or metalloid hydrogen atom ...

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

Disclosed herein are improved lubricating compositions effective to prevent or reduce low speed pre-ignition in an engine, as well as to prevent or reduce corrosion of engine components. The lubricating compositions include a base oil combined with a calcium chelate complex, optionally in further combination with additional additives. 1. A lubricating composition , comprising a base oil and at least one cyclic calcium chelate complex.2. The lubricating composition according to claim 1 , wherein the calcium chelate complex comprises a ligand comprising at least one 1 claim 1 ,3-dicarbonyl compound claim 1 , a 1 claim 1 ,3-ketophenol claim 1 , a 1 claim 1 ,3-diimine claim 1 , or ortho-ketophenol.5. The lubricating composition according to claim 3 , wherein Ris selected from methoxy claim 3 , ethoxy claim 3 , n-propoxy claim 3 , isopropoxy claim 3 , n-butoxy claim 3 , iso-butoxy claim 3 , tert-butoxy claim 3 , methyl claim 3 , ethyl claim 3 , n-propyl claim 3 , isopropyl claim 3 , n-butyl claim 3 , iso-butyl claim 3 , and tert-butyl.6. The lubricating composition according to claim 3 , wherein Ris selected from methoxy claim 3 , ethoxy claim 3 , n-propoxy claim 3 , isopropoxy claim 3 , n-butoxy claim 3 , iso-butoxy claim 3 , tert-butoxy claim 3 , methyl claim 3 , ethyl claim 3 , n-propyl claim 3 , isopropyl claim 3 , n-butyl claim 3 , iso-butyl claim 3 , and tert-butyl.7. The lubricating composition according to claim 3 , wherein Ris selected from hydrogen claim 3 , methoxy claim 3 , ethoxy claim 3 , n-propoxy claim 3 , isopropoxy claim 3 , n-butoxy claim 3 , iso-butoxy claim 3 , tert-butoxy claim 3 , methyl claim 3 , ethyl claim 3 , n-propyl claim 3 , isopropyl claim 3 , n-butyl claim 3 , iso-butyl claim 3 , and tert-butyl.8. The lubricating composition according to claim 3 , wherein Rand Rtogether form a ring.9. The lubricating composition according to claim 3 , wherein Rand Rtogether form a ring.10. The lubricating composition according to claim 3 , wherein R claim ...

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN SPARK-IGNITED INTERNAL COMBUSTION ENGINES

Fuel and lubricant compositions are provided that contain a primary low-speed pre-ignition (LSPI)-reducing additive comprising (i) an amino additive, (ii) an amine additive, (iii) a triazole additive, (iv) a benzamidinium additive, (v) a benzoxazole additive, or (vi) a N═C—X motif additive. Methods for preventing or reducing low speed pre-ignition events in spark-ignited engines using these compositions are also provided. 2. The fuel composition of claim 1 , wherein the amino additive is a beta-amino alkanol claim 1 , an amino acid claim 1 , or an amino ester.3. The fuel composition of claim 1 , wherein the amine additive is aromatic amine or aliphatic amine.4. The fuel composition of claim 1 , wherein the triazole additive is 5 claim 1 ,6-dimethylbenzotriazole.5. The fuel composition of claim 1 , wherein the primary LSPI-reducing additive is prolinol claim 1 , aliquat claim 1 , morphguam claim 1 , 2-aminobenzimidazole claim 1 , AHPD claim 1 , N claim 1 ,N-dimethyl-N-octylbenzamidinium-2-oxide claim 1 , benzoxazole claim 1 , 2-methylquinolin-8-amine claim 1 , or 2-aminobenzoxazole.6. The fuel composition of claim 1 , wherein the N═C—X motif additive is an amidine claim 1 , a guanidine claim 1 , an imidazole claim 1 , a benzamidine claim 1 , a benzimidazole claim 1 , or an amino benzimidazole.7. The fuel composition of claim 6 , wherein the amidine is 1 claim 6 ,4 claim 6 ,5 claim 6 ,6-tetrahydropyrimidine claim 6 , 1 claim 6 ,2-dimethyl-1 claim 6 ,4 claim 6 ,5 claim 6 ,6-tetrahydropyrimidine claim 6 , 1 claim 6 ,2-diethyl-1 claim 6 ,4 claim 6 ,5 claim 6 ,6-tetrahydropyrimidine claim 6 , 1 claim 6 ,5-diazabicyclo[4.3.0]non-5-ene (DBN) claim 6 , 2-phenyl-1H-benzo[d]imidazole claim 6 , or 1 claim 6 ,8-diazabicyclo[5.4.0]-undece-7-ene (DBU).8. The fuel composition of claim 6 , wherein the guanidine is 1 claim 6 ,1 claim 6 ,3 claim 6 ,3-tetramethylguanidine (TMG) claim 6 , 2-tert-butyl-1 claim 6 ,1 claim 6 ,3 claim 6 ,3-tetramethylguanidine (BTMG) claim 6 , 1 claim 6 ,5 ...

METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES WITH MANGANESEMANGANESE-CONTAINING LUBRICANT

Disclosed is a lubricating engine oil composition for a direct injected, boosted, spark ignited internal combustion engine comprising from about 25 to about 3000 ppm of metal from at least one manganese-containing compound, based on the total weight of the lubricating oil. Also disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with said lubricating engine oil composition. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 25 to about 3000 ppm of metal from at least one manganese-containing compound , based on the total weight of the lubricating oil composition.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the manganese-containing compound is a manganese alkoxide compound claim 1 , colloidal dispersion of a manganese salt claim 1 , manganese amido compound claim 1 , manganese acetylacetonate compound claim 1 , manganese carboxylate compound claim 1 , manganese salicylate compound claim 1 , dithiocarbamato manganese complex claim 1 , dithiophosphato manganese complex claim 1 , salen manganese complex claim 1 , phosphate ester claim 1 , phospinate claim 1 , or phosphinite manganese complex claim 1 , pyridyl claim 1 , polypyridyl claim 1 , or quinolinato or isoquinolato manganese complex claim 1 , glyoximato manganese complex claim 1 , alkyldiamino manganese complex claim 1 , azamacrocyclic manganese complex claim 1 , manganese arylsulfonate compound claim 1 , manganese sulfurized or unsulfurized phenate compound claim 1 , manganese alkylsufonate compound claim 1 , ...

Bimodal copolymer compositions useful as oil modifiers and lubricating oils comprising the same

Lubricating oil compositions are provided which contain bimodal copolymer compositions, and in particular bimodal ethylene-a-olefin copolymer compositions. The copolymer compositions comprise first and second ethylene-a-olefin copolymer components. The bimodal compositions are particularly useful as viscosity or rheology modifiers, e.g., in lubricating oil compositions. Lubricating oil compositions comprising the copolymer compositions advantageously exhibit enhanced shear stability index (SSI) and thickening efficiency (TE) values, while maintaining excellent low-temperature properties such as pour point, mini-rotary viscometer viscosity, and cold crank simulation performance.

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with silane-containing lubricant

Disclosed is a lubricating engine oil composition for use in down-sized boosted engines comprising a lubricating oil base stock as a major component, and at least one silane-containing compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one silane-containing compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine.

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with cobalt-containing lubricant

Disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible cobalt-containing compound.

Composition and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

Disclosed herein are improved lubricating compositions effective to prevent or reduce low speed pre-ignition in an engine, as well as to prevent or reduce corrosion of engine components. The lubricating compositions include a base oil combined with a calcium chelate complex, optionally in further combination with additional additives.

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with cobalt-containing lubricant

Composition and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

Disclosed is a lubricating engine oil composition comprising a lubricating oil base stock as a major component, and at least one metal or metalloid hydrogen atom donor compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one metal or metalloid hydrogen atom donor compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine.

Lubricating oil compositions containing non-sulfur-phosphorus containing zinc compounds and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one non-sulfur-phosphorus containing zinc compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible non-sulfur-phosphorus containing zinc compound.

Lubricating oil compositions containing non-sulfur-phosphorus containing zinc compounds and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one non-sulfur-phosphorus containing zinc compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible non-sulfur-phosphorus containing zinc compound.

Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

Fuel and lubricant compositions are provided that contain a primary low-speed pre-ignition (LSPI)-reducing additive comprising (i) an amino additive, (ii) an amine additive, (iii) a triazole additive, (iv) a benzamidinium additive, (v) a benzoxazole additive, or (vi) a N=C-X motif additive. Methods for preventing or reducing low speed pre-ignition events in spark-ignited engines using these compositions are also provided.

Hydride donors as an additive for reducing low speed pre-ignition events

Fuel and lubricant compositions are provided that contain an organic hydride-based reductant. Methods for preventing or reducing low speed pre-ignition events in an internal combustion engines using these compositions are also provided.

Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

Fuel and lubricant compositions are provided that contain a primary low-speed pre-ignition (LSPI)-reducing additive comprising (i) an amino additive, (ii) an amine additive, (iii) a triazole additive, (iv) a benzamidinium additive, (v) a benzoxazole additive, or (vi) a N=C-X motif additive. Methods for preventing or reducing low speed pre-ignition events in spark-ignited engines using these compositions are also provided.

Composition and method of preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

Se proporcionan composiciones de combustible y lubricante que contienen un aditivo primario que reduce el preencendido a baja velocidad (LSPI) que comprenden (i) un aditivo de amino, (ii) un aditivo de amina, (iii) un aditivo de triazol, (iv) un aditivo de benzamidinio, (v) un aditivo de benzoxazol o (vi) un aditivo de motivo N=C-X. También se proporcionan métodos para prevenir o reducir los eventos de preencendido a baja velocidad en motores de encendido por chispa utilizando estas composiciones. Fuel and lubricant compositions are provided that contain a primary additive that reduces low speed pre-ignition (LSPI) comprising (i) an amino additive, (ii) an amine additive, (iii) a triazole additive, (iv ) a benzamidinium additive, (v) a benzoxazole additive or (vi) an N = CX motif additive. Methods are also provided to prevent or reduce low speed pre-ignition events in positive ignition engines using these compositions.

Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

Disclosed herein is a fuel composition having (1) greater than 50 wt % of a hydrocarbon fuel boiling in the gasoline or diesel range and (2) a minor amount of a low-speed pre-ignition (LSPI)-reducing additive having one or more of an amidine, or a beta-amino alkanol having the structure [Formula]. R 1 , R 2 , R 3 , and R 4 are each independently selected from hydrogen, aromatic ring, and a C1-C20 alkyl group and R 5 is hydrogen or an alcohol having the structure –(CH)R 6 -OH. R 6 is hydrogen, a C 1 -C 10 alkyl group, or a C 1 -C 10 alkenyl group, or a salt thereof.

Low ash lubricating oil composition

A lubricating oil composition is provided. The composition includes major amount of an oil of lubricating viscosity, or more alkaline earth metal detergent, one or more nitrogen-containing dispersant, and up to about 0.10 wt % of zinc from zinc dithiophosphate. The lubricating oil composition has sulfur content of up to 0.10 wt %, sulfated ash content of up to 0.30 wt %, and the ratio of total nitrogen concentration to total alkaline earth metal concentration from the one or more alkaline earth metal detergent is about 20 or greater.

Lubricating oil compositions and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one potassium and/or lithium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible potassium and/or lithium compound.

Composition and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

Disclosed herein are improved lubricating compositions effective to prevent or reduce low speed pre-ignition in an engine, as well as to prevent or reduce corrosion of engine components. The lubricating compositions include a base oil combined with a calcium chelate complex, optionally in further combination with additional additives.

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with cobalt-containing lubricant

Disclosed is a method for preventing or reducing low speed pre-ignition in in a direct injected, boosted, spark ignited internal combustion engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible cobalt-containing compound. The cobalt-containing compound is a cobalt carboxylate having the following structure (Formula 2) where a is the +2 or +3 oxidation state, RD is a branched and saturated aliphatic hydrocarbon moiety having from 3 to 30 carbon atoms, n is an integer from 1 to 3, L is absent or a ligand that saturates the coordination sphere of cobalt, and x is an integer from 0 to 6.

Low ash lubricating oil composition

A lubricating oil composition is provided. The composition includes major amount of an oil of lubricating viscosity, or more alkaline earth metal detergent, one or more nitrogen-containing dispersant, and up to about 0.10 wt % of zinc from zinc dithiophosphate. The lubricating oil composition has sulfur content of up to 0.10 wt %, sulfated ash content of up to 0.30 wt %, and the ratio of total nitrogen concentration to total alkaline earth metal concentration from the one or more alkaline earth metal detergent is about 20 or greater.

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with manganese-containing lubricant

Disclosed is a lubricating engine oil composition for a direct injected, boosted, spark ignited internal combustion engine comprising from about 25 to about 3000 ppm of metal from at least one manganese-containing compound, based on the total weight of the lubricating oil. The at least one manganese-containing compound has has the following formula: Also disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with said lubricating engine oil composition.

シラン含有潤滑油を用いて直噴火花点火式エンジンにおける低速早期点火を防止又は低減する方法

【課題】ブースト直噴火花点火式内燃エンジンにおける低速早期点火を防止又は低減する方法を提供する。【解決手段】方法は、潤滑油組成物の総重量に基づいて、少なくとも１種の硫黄含有シラン化合物由来のケイ素約１００～約３０００ｐｐｍを含む潤滑油組成物を用いてエンジンのクランク室を潤滑するステップを含む。【選択図】なし

Composición y método para prevenir o reducir el preencendido de baja velocidad en motores de combustión interna encendidos por chispa

En la presente se describe una composición de combustible que tiene (1) más de 50 % en peso de un combustible de hidrocarburo que hierve en el intervalo de gasolina o diesel y (2) una cantidad menor de un aditivo reductor de preencendido de baja velocidad (LSPI) que tiene una o más de una amidina, o un beta-amino alcanol que tiene la estructura . R1, R2, R3 y R4 se selecciona cada uno independientemente de hidrógeno, anillo aromático y un grupo alquilo C1-C20 y R5 es hidrógeno o un alcohol que tiene la estructura –(CH)R6-OH. R6 es hidrógeno, un grupo alquilo C1-C10, o un grupo alquenilo C1-C10, o una sal de este.

Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with silane-containing lubricant

Lubricating oil compositions containing zirconium and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one zirconium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible zirconium-containing compound.

Lubricating oil compositions containing zirconium and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one zirconium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible zirconium-containing compound.

Lubricating oil compositions

A low ash lubricating oil composition is described. The composition includes major amount of an oil of lubricating viscosity, detergent system, and boron-containing additive in an amount to provide at least 100 ppm of boron to the lubricating oil composition. The detergent system includes one or more magnesium-containing detergent and optionally, one or more calcium- containing detergent. The lubricating oil composition is free of zinc and phosphorus. The total sulfated ash content of the lubricating oil composition is from 0.30 wt.% to 0.80 wt.%. The total base number of the lubricating oil composition is from 4.

Hydride donors as an additive for reducing low speed pre-ignition events

Donantes de hidruro como aditivo para reducir eventos de preencendido a baja velocidad.

Se proporcionan composiciones de combustible y lubricantes que contienen un reductor a base de hidruro orgánico. También se proporcionan métodos para prevenir o reducir eventos de preencendido a baja velocidad en motores de combustión interna que usan estas composiciones.