EP3374609A1 - Méthode de lubrification séparée d'un système de motorisation pour véhicule automobile - Google Patents
Méthode de lubrification séparée d'un système de motorisation pour véhicule automobileInfo
- Publication number
- EP3374609A1 EP3374609A1 EP16794319.0A EP16794319A EP3374609A1 EP 3374609 A1 EP3374609 A1 EP 3374609A1 EP 16794319 A EP16794319 A EP 16794319A EP 3374609 A1 EP3374609 A1 EP 3374609A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- engine
- lubrication
- composition
- lubricating
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/02—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00 having means for introducing additives to lubricant
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/04—Hydroxy compounds
- C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/48—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring
- C10M129/54—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
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- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/44—Five-membered ring containing nitrogen and carbon only
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- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/08—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium containing a sulfur-to-oxygen bond
- C10M135/10—Sulfonic acids or derivatives thereof
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- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/12—Thio-acids; Thiocyanates; Derivatives thereof
- C10M135/14—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond
- C10M135/18—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
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- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
- C10M137/04—Phosphate esters
- C10M137/10—Thio derivatives
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- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
- C10M143/12—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
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- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
- C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
- C10M145/14—Acrylate; Methacrylate
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- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/02—Specified values of viscosity or viscosity index
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/14—Lubrication of pumps; Safety measures therefor
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/54—Fuel economy
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
Definitions
- the present invention relates to a method of separate lubrication of a motor vehicle engine system.
- Lubricating compositions for motorization system must fulfill many objectives that are sometimes contradictory. These objectives are derived from the five main functions of the engine lubricating compositions: lubrication, cooling, sealing, corrosion protection and pressure transmission.
- Lubrication of the parts sliding on each other plays a decisive role, in particular to reduce friction and wear, including fuel savings.
- lubricating compositions for motorization system relate to aspects related to the environment. It has indeed become essential to reduce fuel consumption, especially in order to reduce C0 2 emissions. It is also important to reduce harmful gas emissions, for example by formulating the lubricating compositions so that the catalyst remains perfectly functional throughout its lifetime. It is also important to limit or avoid the use of toxic additives in order to reduce or limit their elimination, for example by reprocessing or combustion.
- Lubricating compositions for engine system has an influence on the emission of pollutants and on fuel consumption.
- Lubricating compositions for motorization system for saving energy are often referred to as "fuel-eco” (FE), in English terminology.
- FE fuel-eco
- Such "fuel-eco” oils have been developed to meet these new needs.
- the majority of current motor vehicles are equipped with a motorization system in which a unique lubricant composition is used to lubricate the various components of said engine system.
- An object of the present invention is to allow a significant gain in fuel Eco, including a gain of at least 3% in Fuel Eco, in the lubrication of motor vehicle systems.
- Another object of the invention is to allow the implementation of specific lubricating compositions adapted to the various bodies to lubricate said motor vehicle system.
- the term "separated lubrication” means the fact of having different lubricating compositions according to the members to be lubricated, typically at least two distinct lubricating compositions, one for the lubrication of the elements of the high-engine and the other for the lubrication of the lower engine components.
- the motorization system comprises at least two separate lubrication systems, one supplying the high-motor, the second supplying the lower-motor.
- this method makes it possible to have optimized lubricants at the level of the low-engine and at the level of the high-engine.
- the term "high-engine” designates the part of the engine constituted by the, or the, cylinder head (s) which are assembled on the bottom of the engine. engine.
- the cylinder head is the seat of the distribution of the intake gases in the combustion chamber, through the intake duct and intake valves, and the discharge of the combustion gases, via a exhaust duct and exhaust valves.
- the term “low engine” designates the portion of the engine comprising a movable coupling (connecting rods, pistons and crankshaft) within an “engine block”, containing the cylinders, and a housing containing the engine lubricant.
- top In what follows, the terms “top”, “top” and their equivalents, are used to designate a direction oriented vertically towards the top of the vehicle when it is in a position of use, in which it rests for example on floor.
- the expressions “low” and “lower” and their equivalents designate an opposite direction.
- the invention also applies to engines whose spatial configuration is different from that of the examples of motorization systems described above, in particular so-called “flat” engines. It is understood that in the case of these particular engines, the built-in motor is not necessarily placed above the lower motor.
- the term "built-in motor” defined above designates the cylinder head equipped in particular with, or control shaft (s) and the distribution system, the term “low-engine” designating the crankcase and the engine block, including pistons, rods, crankshaft, cylinders and combustion chambers.
- the invention relates to a method of separate lubrication of a motor vehicle engine system, said system comprising a compressor, preferably a turbocharger, an internal combustion engine comprising a built-in engine and a low engine, said method comprising:
- a lubricating composition having a grade according to the classification SAEJ300 defined by the formula (X) W- (Y) in which X represents 0 or 5 and Y represents 4, 8, 12, 16 or 20;
- the composition (CL1) has a grade, according to classification SAEJ300, chosen from OW-4, OW-8, OW-12, OW-16, OW-20, 5W-4. , 5W-8, 5W-12, 5W-16 or 5W-20, preferably selected from OW-8, OW-12, OW-16, OW-20, 5W-8, 5W-12, 5W-16 or 5W -20.
- the composition (CL1) has an HTHS (high temperature high-shear viscosity measurement - viscosity measured at high temperature and high shear) at 150 ° C at most equal to 2.9 mPa. s, preferably between 1.4 and 2.75 mPa.s, advantageously between 1.7 and 2.75 mPa.s.
- HTHS high temperature high-shear viscosity measurement - viscosity measured at high temperature and high shear
- compositions (CL1), (CL2) and (CL3) according to the invention comprise at least one base oil and additives, it being understood that the compositions (CL1), (CL2) and (CL3) are different from each other, that is to say that they comprise different base oils and / or additives and / or proportions of base oil and / or different additives.
- the base oils used in the lubricant compositions according to the invention may be oils of mineral or synthetic origins belonging to groups I to V according to the classes defined in the API classification (or their equivalents according to the ATIEL classification) (Table A) or their mixtures.
- the mineral base oils according to the invention include all types of bases obtained by atmospheric distillation and vacuum of crude oil, followed by refining operations such as solvent extraction, deasphalting, solvent dewaxing, hydrotreating, hydrocracking, hydroisomerization and hydrofinishing.
- Mixtures of synthetic and mineral oils can also be used.
- the base oils of the lubricating compositions according to the invention may also be chosen from synthetic oils, such as certain carboxylic acid esters and alcohols, and from polyalphaolefins.
- the polyalphaolefins used as base oils are, for example, obtained from monomers comprising from 4 to 32 carbon atoms, for example from octene or decene, and whose kinematic viscosity at 100 ° C. (KV100) is between 1, 5 and 15 mm 2 .s "1 according to the ASTM D445 standard, their average molecular mass is generally between 250 and 3000 according to the ASTM D5296 standard.
- the lubricating compositions according to the invention may comprise at least 50% by weight of base oils relative to the total mass of the composition. More advantageously, the lubricating composition according to the invention comprises at least 60% by weight, or even at least 70% by weight, of base oils relative to the total mass of the composition. More particularly advantageously, the lubricating composition according to the invention comprises from 75 to 99.9% by weight of base oils relative to the total mass of the composition.
- the preferred additives for the lubricant compositions according to the invention are chosen from detergent additives, anti-wear additives, friction modifying additives, extreme pressure additives, dispersants, pour point improvers, anti-wear agents and anti-wear additives. foam, thickeners and mixtures thereof.
- the lubricant compositions according to the invention comprise at least one antiwear additive, at least one extreme pressure additive or their mixtures.
- the lubricating composition (CL1) does not comprise an antiwear additive.
- Anti-wear additives and extreme pressure additives protect friction surfaces by forming a protective film adsorbed on these surfaces.
- the anti-wear additives are chosen from phospho-sulfur-containing additives such as metal alkylthiophosphates, in particular zinc alkylthiophosphates, and more specifically zinc dialkyldithiophosphates or ZnDTPs.
- the preferred compounds have the formula Zn ((SP (S) (OR) (OR)) 2 , in which R and R, identical or different, independently represent an alkyl group, preferably an alkyl group comprising from 1 to 18 carbon atoms.
- Amine phosphates are also anti-wear additives which can be used in the lubricating compositions according to the invention
- the phosphorus provided by these additives can act as a poison for the catalytic systems of automobiles because these additives are ash generators.
- non-phosphorus additives such as, for example, polysulfides, especially sulfur-containing olefins.
- the lubricant compositions according to the invention may comprise from 0.01 to 6% by weight, preferably from 0.05 to 4% by weight, more preferably from 0.1 to 2% by weight relative to the mass. total lubricating composition, anti-wear additives and extreme pressure additives.
- the lubricating composition (CL1) does not comprise an antiwear additive.
- the lubricant composition (CL1) does not comprise a ZnDTP (zinc dithiophosphate) type wear additive, of the MoDTP (molybdenum dithiophosphate or sulfur-olefin type) type.
- the lubricant compositions according to the invention may comprise at least one friction-modifying additive.
- the friction modifying additive may be chosen from a compound providing metal elements and an ash-free compound.
- the compounds providing metal elements mention may be made of transition metal complexes such as Mo, Sb, Sn, Fe, Cu and Zn, the ligands of which may be hydrocarbon compounds comprising oxygen, nitrogen, sulfur or phosphorus.
- the ashless friction modifier additives are generally of organic origin and may be selected from monoesters of fatty acids and polyols, alkoxylated amines, alkoxylated fatty amines, fatty epoxides, borate fatty epoxides; fatty amines or fatty acid glycerol esters.
- the fatty compounds comprise at least one hydrocarbon group comprising from 10 to 24 carbon atoms.
- the lubricant compositions according to the invention may comprise from 0.01 to 2% by weight or from 0.01 to 5% by weight, preferably from 0.1 to 1.5% by weight or 0.1 to 2% by weight relative to the total weight of the lubricant composition, friction modifier additive.
- the lubricant compositions according to the invention may comprise at least one antioxidant additive.
- the antioxidant additive generally serves to retard the degradation of the lubricating composition in service. This degradation can notably result in the formation of deposits, the presence of sludge or an increase in the viscosity of the lubricant composition.
- Antioxidant additives act in particular as radical inhibitors or destroyers of hydroperoxides.
- antioxidant additives commonly used, mention may be made of antioxidant additives of phenolic type, antioxidant additives of amine type, antioxidant phosphosulfur additives. Some of these antioxidant additives, for example phosphosulfur antioxidant additives, can be ash generators. Phenolic antioxidant additives may be ash-free or may be in the form of neutral or basic metal salts.
- the antioxidant additives may especially be chosen from sterically hindered phenols, sterically hindered phenol esters and sterically hindered phenols comprising a thioether bridge, diphenylamines, diphenylamines substituted by at least one C 1 -C 12 alkyl group, and ⁇ , ⁇ '-dialkyl-aryl diamines and mixtures thereof.
- the sterically hindered phenols are chosen from compounds comprising a phenol group in which at least one vicinal carbon of the carbon carrying the alcohol function is substituted by at least one alkyl group having from 1 to 10 carbon atoms, preferably an alkyl group.
- Ci-C e preferably a C 4 alkyl group, preferably by the ter-butyl group.
- Amino compounds are another class of antioxidant additives that can be used, optionally in combination with phenolic antioxidant additives.
- amine compounds are aromatic amines, for example aromatic amines of formula NR a R b R c wherein R a represents an optionally substituted aliphatic or aromatic group, R b represents an aromatic group, optionally substituted, R c represents a hydrogen atom, an alkyl group, an aryl group or a group of formula R d S (0) z R e in which R d represents an alkylene group or an alkenylene group, R e represents an alkyl group, alkenyl group or an aryl group and z represents 0, 1 or 2.
- Sulfurized alkyl phenols or their alkali and alkaline earth metal salts can also be used as antioxidant additives.
- Another class of antioxidant additives is copper compounds, for example copper thio- or dithio-phosphates, copper and carboxylic acid salts, dithiocarbamates, sulphonates, phenates, copper acetylacetonates. Copper salts I and II, succinic acid or anhydride salts can also be used.
- the lubricant compositions according to the invention may contain all types of antioxidant additives known to those skilled in the art.
- the lubricating compositions comprise at least one ash-free antioxidant additive.
- the lubricant compositions according to the invention comprise from 0.1 to 2% by weight relative to the total weight of the composition, of at least one antioxidant additive.
- the lubricant compositions according to the invention may also comprise at least one detergent additive.
- the detergent additives generally make it possible to reduce the formation of deposits on the surface of the metal parts by dissolving the secondary oxidation and combustion products.
- the detergent additives that can be used in the lubricant compositions according to the invention are generally known to those skilled in the art.
- the detergent additives may be anionic compounds comprising a long lipophilic hydrocarbon chain and a hydrophilic head.
- the associated cation may be a metal cation of an alkali metal or alkaline earth metal.
- the detergent additives are preferably chosen from the alkali metal or alkaline earth metal salts of carboxylic acids, the sulphonates, the salicylates, the naphthenates and the phenate salts.
- the alkali and alkaline earth metals are preferably calcium, magnesium, sodium or barium.
- metal salts generally comprise the metal in stoichiometric amount or in excess, therefore in an amount greater than the stoichiometric amount. It is then overbased detergent additives; the excess metal bringing the overbased character to the detergent additive is then generally in the form of an oil insoluble metal salt, for example a carbonate, a hydroxide, an oxalate, an acetate, a glutamate, preferably a carbonate .
- an oil insoluble metal salt for example a carbonate, a hydroxide, an oxalate, an acetate, a glutamate, preferably a carbonate .
- the lubricant compositions according to the invention may comprise from 0.5 to 8% or from 2 to 4% by weight of detergent additive relative to the total mass of the lubricating composition.
- the lubricant compositions according to the invention may also comprise at least one pour point depressant additive (For Point Depressant PPD).
- pour point depressant additives By slowing down the formation of paraffin crystals, pour point depressant additives generally improve the cold behavior of the lubricant compositions of the invention.
- pour point depressant additives mention may be made of alkyl polymethacrylates, polyacrylates, polyarylamides, polyalkylphenols, polyalkylnaphthalenes and alkylated polystyrenes.
- the lubricant compositions according to the invention may also comprise at least one dispersing agent.
- the dispersing agent may be chosen from Mannich bases, succinimides and their derivatives.
- the lubricating compositions according to the invention may comprise from 0.2 to 10% by weight of dispersing agent relative to the total mass of the lubricating composition.
- the lubricating compositions may also comprise at least one viscosity index improving polymer.
- viscosity index improver polymers include polymeric esters, homopolymers or copolymers, hydrogenated or non-hydrogenated, of styrene, butadiene and isoprene, polymethacrylates (PMA).
- the lubricant compositions according to the invention may comprise from 1 to 15% by weight based on the total weight of the viscosity index improving lubricant composition.
- composition (CL1) is grade OW-20, for example Quartz 9000 Future OW-20 ® or Quartz V-drive OW-20 ®.
- composition (CL2) is grade 5W-30, for example Quartz Ineo MC3 5W-30 ®.
- composition (CL3) is grade 5W-40, for example Quartz 9000
- Figure 1 is a schematic view of a motorization system that can implement the method according to the invention.
- Figure 2 is a schematic view of a motorization system that can implement the method according to the invention.
- the drive system 1 of Figure 1 is designed to equip a motor vehicle, for example land, such as a car.
- the present invention also relates to a method of separate lubrication of a motorization system 1, 100 for a motor vehicle comprising:
- an internal combustion engine 3 which comprises a coupled high-engine 5 and a lower-engine 7, as well as a driving kinematic chain including at least one piston 15 and a crankshaft 9;
- a compressor 35 which equips the internal combustion engine, and which is designed to compress, at least in part, an intake fluid A intended to fill cylinders of the lower engine;
- said method comprising:
- a secondary lubrication system comprising at least one secondary circuit 1 15, 125, 135 separated from the main circuit, at least one secondary actuator 1 19, 129, 139 driving a secondary pump 1 13, 123, 133.
- the secondary actuator is mechanically independent of the driving kinematic chain.
- the present invention also relates to a method of separate lubrication of a motorization system 1, 100 for a motor vehicle comprising:
- an internal combustion engine 3 which comprises a coupled high-engine 5 and a lower-engine 7, as well as a driving kinematic chain including at least one piston 15 and a crankshaft 9;
- a compressor 35 which equips the internal combustion engine, and which is designed to compress, at least in part, an intake fluid A intended to fill cylinders of the lower engine;
- said method comprising:
- the compressor may in particular be a turbocharger.
- the lubrication method according to the present invention has been implemented on the drive system shown in Figure 2, the engine used is a DW10 engine of the company PSA Feli Citro ⁇ n. Two trials were carried out with separate compositions (CL1) and (CL2).
- the lower motor 7 is lubricated with a lubricant composition (CL1), using a main lubrication system comprising a main circuit 105 and a main pump 103;
- the high-engine 5 corresponding to the cylinder head is lubricated with a lubricant composition (CL2) with a first secondary lubrication system 125 separate from the main circuit, comprising a first secondary pump 123; and
- the compressor 35 corresponding to a turbocharger is lubricated with the lubricant composition (CL2), by means of a second secondary lubrication system 135 separated from the first secondary circuit, comprising a second secondary pump 133, distinct from the first secondary pump; .
- composition CL1 is defined by an OW-16 grade according to the classification SAEJ300.
- composition CL1 is defined by an OW-20 grade according to the SAEJ300 classification.
- this step consists of making the same consumption measurements on the same operating points as those of the first step but this time with a motor whose lubrication circuit has been separated into three sub-stages. circuits as shown in Figure 2 respectively dedicated to the turbocharger, the cylinder head and the low engine.
- the turbocharger circuit and the cylinder circuit contain the same 0W30 reference oil as that of the first step corresponding to the composition CL2.
- the low-motor circuit contains a candidate oil CL1.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Lubricants (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1560871A FR3043718B1 (fr) | 2015-11-13 | 2015-11-13 | Methode de lubrification separee d'un systeme de motorisation pour vehicule automobile |
PCT/EP2016/077212 WO2017081123A1 (fr) | 2015-11-13 | 2016-11-10 | Méthode de lubrification séparée d'un système de motorisation pour véhicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3374609A1 true EP3374609A1 (fr) | 2018-09-19 |
Family
ID=55361651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16794319.0A Withdrawn EP3374609A1 (fr) | 2015-11-13 | 2016-11-10 | Méthode de lubrification séparée d'un système de motorisation pour véhicule automobile |
Country Status (7)
Country | Link |
---|---|
US (1) | US20180371970A1 (fr) |
EP (1) | EP3374609A1 (fr) |
JP (1) | JP2019502851A (fr) |
KR (1) | KR20180081521A (fr) |
CN (1) | CN108350773A (fr) |
FR (1) | FR3043718B1 (fr) |
WO (1) | WO2017081123A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3839022A1 (fr) * | 2019-12-20 | 2021-06-23 | Total Marketing Services | Composition lubrifiante pour améliorer l'économie de carburant et réduire les frottements |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62193140U (fr) * | 1986-05-30 | 1987-12-08 | ||
DE3644356A1 (de) * | 1986-12-24 | 1988-07-07 | Elsbett L | Schmierung und kuehlung der turbinenwelle von abgasturboaufladern |
JPH04111505U (ja) * | 1991-03-15 | 1992-09-28 | 本田技研工業株式会社 | 内燃機関における給油装置 |
US6408812B1 (en) * | 2000-09-19 | 2002-06-25 | The Lubrizol Corporation | Method of operating spark-ignition four-stroke internal combustion engine |
JP4244597B2 (ja) * | 2002-08-27 | 2009-03-25 | トヨタ自動車株式会社 | 内燃機関 |
EP2290043B1 (fr) * | 2009-08-24 | 2012-08-29 | Infineum International Limited | Composition d'huile de lubrification comprenant un métal dialkyldithiophosphate et un carbodiimide |
JP6259688B2 (ja) * | 2014-03-14 | 2018-01-10 | 大豊工業株式会社 | 潤滑油供給機構 |
FR3043717B1 (fr) * | 2015-11-13 | 2019-09-13 | Total Marketing Services | Systeme de motorisation et vehicule automobile associe |
JP6669131B2 (ja) * | 2017-05-31 | 2020-03-18 | トヨタ自動車株式会社 | 内燃機関のオイル循環装置 |
-
2015
- 2015-11-13 FR FR1560871A patent/FR3043718B1/fr not_active Expired - Fee Related
-
2016
- 2016-11-10 KR KR1020187013487A patent/KR20180081521A/ko unknown
- 2016-11-10 US US15/775,277 patent/US20180371970A1/en not_active Abandoned
- 2016-11-10 CN CN201680065322.1A patent/CN108350773A/zh active Pending
- 2016-11-10 JP JP2018524231A patent/JP2019502851A/ja active Pending
- 2016-11-10 EP EP16794319.0A patent/EP3374609A1/fr not_active Withdrawn
- 2016-11-10 WO PCT/EP2016/077212 patent/WO2017081123A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20180371970A1 (en) | 2018-12-27 |
FR3043718A1 (fr) | 2017-05-19 |
KR20180081521A (ko) | 2018-07-16 |
JP2019502851A (ja) | 2019-01-31 |
CN108350773A (zh) | 2018-07-31 |
WO2017081123A1 (fr) | 2017-05-18 |
FR3043718B1 (fr) | 2019-07-26 |
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