EP2242824B1 - Verwendung einer schmierstoffzusammensetzung für getriebe - Google Patents

Verwendung einer schmierstoffzusammensetzung für getriebe Download PDF

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Publication number
EP2242824B1
EP2242824B1 EP08872655.9A EP08872655A EP2242824B1 EP 2242824 B1 EP2242824 B1 EP 2242824B1 EP 08872655 A EP08872655 A EP 08872655A EP 2242824 B1 EP2242824 B1 EP 2242824B1
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EP
European Patent Office
Prior art keywords
sulfur
astm
standard
mass content
measured according
Prior art date
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Not-in-force
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EP08872655.9A
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English (en)
French (fr)
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EP2242824A2 (de
Inventor
Alain Bouffet
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TotalEnergies Marketing Services SA
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Total Marketing Services SA
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Classifications

    • 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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • 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
    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/10—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic phosphorus-containing compound
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/026—Butene
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • C10M2207/2825—Esters of (cyclo)aliphatic oolycarboxylic acids used as base material
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—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 type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
    • 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
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives

Definitions

  • the present invention relates to the use of lubricating compositions for transmissions in the field of motor vehicles, more particularly adapted to the lubrication of bridges, having the property of increasing the fatigue resistance of the bridge gears.
  • a typical cause of damage to bridge gears is fatigue damage, which occurs under repeated forces. This phenomenon is induced by repeated rolling constraints under heavy loads.
  • the phenomenon of flaking is particularly noticeable on heavy goods vehicles, where the gears are subjected to very heavy loads and very long durations of use.
  • the prevention of this phenomenon involves a reduction of contact stresses thanks to an appropriate geometry of the parts, and the reduction of friction, avoiding adhesion.
  • Lubricant is involved in this prevention process, due to its viscosity and the physicochemical reactivity of its additives.
  • Sulfur additives as well as phosphorus and phospho-sulfur additives, are widely used in bridges and gearbox oil formulations as anti-wear and extreme pressure additives. They protect the friction parts under heavy load by forming a film adsorbed on their surface.
  • Sulfurized additives forming a tribo iron sulphide film of low shear strength, easily peelable, make it possible in particular to avoid galling, a phenomenon which occurs at the first stages of use, when the resistance of the interface exceeds that of the underlying material.
  • the additives present in the lubricant can also have an impact, positive or negative, on the propagation of cracks inside the parts and thus on the phenomenon of chipping.
  • the request for US Patent 5,942,470 discloses lubricating oil compositions for cans. There is therefore a need to increase the service life of friction parts, in particular bridge gears, by limiting the appearance of the peeling phenomenon.
  • the present invention proposes to improve the spall protection properties of transmission lubricating compositions containing sulfur and phosphosulfur compounds comprising a step of adding, in the lubricating composition for initial transmission, compounds (c) reducing by at least 5% the mass content of active sulfur measured by ASTM D1662 in the final composition.
  • the ratio between the final Sfinal sulfur content in the final composition, after implementation of the process, and the initial Sinitial sulfur mass content in the initial composition, before carrying out the process, mass content measured according to ASTM D2622, Sfinal / Sinitial is greater than or equal to 1.05.
  • the lubricating composition used according to the invention comprises, as base oil (a), from 10% to 20% of one or more Group V base oils, optionally in combination with one or more oils. from API groups I, II, III, IV or VI and / or naturally occurring base oils.
  • the phosphorus or phospho sulfur-containing additive (s) anti-wear and extreme pressure (b) are chosen from alkyl phosphates, alkyl phosphonates, thiophosphoric acid, thiophosphorous acid, esters and the like. of these acids, their salts, alkyl dithiophosphates.
  • the composition used according to the invention has a Brookfield dynamic viscosity of less than or equal to 150 mPa at temperatures greater than or equal to -12 ° C., preferably greater than or equal to -26 ° C., preferably greater than or equal to 40 ° C.
  • the composition used according to the invention has a kinematic viscosity at 100 ° C is less than or equal to 32.5 Cst.
  • the composition used according to the invention belongs to the class of multigrade oils of grade 85W140, 85W90, 80W90, or 75W90 or monograde oils of grade 140 or 90 according to the standard SAEJ306.
  • a lubricant composition according to the invention is used as a lubricant to increase the resistance to spalling of metal parts in friction, preferably the gears of vehicle decks.
  • the Applicant has found that it is possible to improve the spall protection properties of brine oil formulations containing conventional phosphorus-sulfur and / or phosphorus compounds, by the addition of certain reducing compounds from less than 5%, preferably at least 8% to 20% the active sulfur content of said formulations.
  • the present invention also relates to the use of lubricating compositions for increasing the service life of friction parts, including bridge gears, by limiting the occurrence of peeling phenomenon.
  • the active sulfur content of a compound or lubricating composition is understood to mean the sulfur consumed to form copper sulphide upon the addition of copper powder at 150 ° C. in said compound or said lubricating composition.
  • the mass% of active sulfur is measured by the ASTM1662 standard.
  • these properties for improving peeling resistance can for example be obtained by introducing certain sulfur-type olefins. dialkylsulphide, in a bridges oil formula containing conventional phosphorus-sulfur and / or phosphorus compounds, and optionally conventional sulfur-containing additives.
  • the base oils used according to the invention may be of mineral, synthetic or natural origin.
  • the mineral base oils used 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, desalphating, solvent dewaxing, hydrotreatment, hydrocracking and hydroisomerization. , hydrofinishing, ...
  • the preferred mineral base oils are Group I oils according to the API classification, obtained by solvent extraction and solvent dewaxing of an atmospheric residue, deasphalted oil, etc.
  • the lubricant compositions used according to the present invention advantageously comprise from 20 to 30% by weight of a paraffinic base oil of high viscosity of group I according to the API classification, with a viscosity of between 30 and 34 Cst at 100 ° C. and from 30 to 45% by weight of a Group I paraffinic base oil having a viscosity of 10 to 15 Cst at 100 ° C.
  • the synthetic base oils used according to the present invention are oils belonging to groups IV, V and VI of the API classification, including polyalphaolefins, polyinternal olefins, alkyl aromatics, alkyl benzene, alkylnaphthalenes, esters, diesters, polyol esters such as pentaerythritol esters, oligomers of aplhaolefins and esters, polyalkylene glycols.
  • the lubricant compositions used according to the present invention advantageously comprise from 10 to 20% by weight of a Group V synthetic base oil, in particular ester-type bases, in optional combination with one or more selected base oils. among groups I, II, III, IV or VI of the API classification, and / or base oils of natural origin.
  • the preferred Group V synthetic base oils are the diesters such as ditridecyl glutarate, di 2 ethyl hexyl adipate, di isodecyl adipate, ditridecyl adipate, di 2 ethyl hexyl cebacate.
  • the phospho-sulfur antiwear and extreme pressure additives used in the present invention are, for example and not exclusively, thiophosphoric acid, thiophosphorous acid, esters of these acids, their salts, and dithiophosphates, particularly zinc dithiophosphates.
  • Examples which may be mentioned as examples of phospho-sulfur-containing anti-wear and extreme pressure additives are those containing from 1 to 3 sulfur atoms, such as monobutylthiophosphate, monooctylthiophosphate, monolaurylthiophosphate, dibutylthiophosphate, dilaurylthiophosphate, tributylthiophosphate, trioctylthiophosphate, triphenylthiophosphate, trilaurylthiophosphate, monobutylthiophosphite, monooctylthiophosphite, monolaurylthiophosphite, dibutylthiophosphite, dilaurylthiophosphite, tributylthiophosphite, trioctylthiophosphite, triphenylthiophosphite, trilaurylthiophosphite and their salts.
  • salts of thiophosphoric acid esters and thiophosphorous acid are those obtained by reaction with a nitrogen compound such as ammonia or an amine or zinc oxide or zinc chloride.
  • the lubricating compositions used according to the present invention may also contain phosphorus anti-wear and extreme pressure additives, such as, for example, alkyl phosphates or alkyl phosphonates, phosphoric acid, phopsphorous acid and triesters of phosphorous acid and phosphoric acid, and their salts
  • phosphorus anti-wear and extreme pressure additives such as, for example, alkyl phosphates or alkyl phosphonates, phosphoric acid, phopsphorous acid and triesters of phosphorous acid and phosphoric acid, and their salts
  • sulfur anti-wear and extreme pressure additives examples include dithiocarbamates, thiadiazoles and benzothiazoles, sulfur-containing olefins.
  • SIBs The most common sulfur-containing olefins are still referred to as SIBs for "Sulfurized IsoButylenes".
  • sulfur-containing olefins are generally obtained by a reaction for the sulfurization of olefins with sulfur, hydrogen sulphide or hydrated alkali metal sulphides, for example sodium sulphide.
  • An example of processes for the preparation of such sulfurized olefins is for example described in US Pat. US 4344854 and US 5135670 .
  • olefins can be so sulphured.
  • sulphurized olefins are manufactured from isobutylene, diisobutylene, triisobutylene, tripropylene, or tetrapropylene.
  • the SIBs thus produced are mixtures of compounds of poorly defined structure, including, among other impurities, trithiones, dithiolethiones and halogens, and a high content of active sulfur.
  • the sulfurized olefins used in the compositions according to the present invention are dialkyl sulfides represented by the formula R1-Sx-R2, or R1 and R2 are alkyl groups having a carbon number of between 3 and 15, and where x is an integer between 2 and 6.
  • the average size of the alkyl groups R 1 and R 2 can be obtained by NMR analysis. It can also be directly deduced from the nature of the olefins used as starting material.
  • the alkyl compounds of the dialkyl sulfides used according to the invention comprise from 3 to 15 carbon atoms, preferably from 3 to 12 carbon atoms.
  • dialkyl sulphides used according to the invention will advantageously be chosen (average number of carbon atoms of between 3 and 5, preferably of 4).
  • the sulfurized olefins used according to the invention preferably have a high content of sulfur element (greater than 20%, preferably greater than 40%) and are compounds in which the ratio between the active sulfur content by mass at 150 ° C., measured according to ASTM D1662, and the sulfur element mass content, measured according to ASTM D5185, Sactif / S, is less than 0.45.
  • the sulfurized olefins used in the invention are obtained from isobutylene, sulfur and hydrogen sulphide, by catalytic processes using solid catalysts such as those described in US Pat. EP 1149813 , US6544963 or by methods as described in US Pat. FR 2,607,496 and FR2 630 104 comprising reacting a mercaptan and sulfur in the presence of a basic catalyst.
  • sulfur-containing olefins mentioned above may also be advantageously used in combination with conventional SIBS as described above.
  • the sulfur content of the base oil or of the base oil mixture, as well as the respective amounts of phospho sulfur, phosphorus and sulfur-containing extreme pressure additives, in particular sulfur-containing olefins, are generally chosen so that said compositions have a ratio between their sulfur element content, measured by the ASTM D4294 standard and their phosphorus element content, measured by the ASTM D5185 standard, ie S / P, or between 10 and 60.
  • the lubricant compositions according to the present invention have a S / P ratio preferably between 20 and 40, preferably between 25 and 35.
  • the lubricant compositions used according to the present invention may also contain any type of additive adapted to their use.
  • the total% by weight of phosphosulfur, phosphorus and sulfur-containing additives is between 10 and 30%.
  • compositions used according to the invention may contain one or more thickening additives whose role is to increase the viscosity of the composition, hot or cold, or improving viscosity index (VI) improvers.
  • thickening additives whose role is to increase the viscosity of the composition, hot or cold, or improving viscosity index (VI) improvers.
  • compositions used according to the invention will preferably be present in an amount of 1 to 10% by weight in the compositions used according to the invention.
  • PIBs of the order of 2000 daltons
  • polyacrylate or poly methacrylates of the order of 30000 daltons
  • olefin-copolymers olefin and alpha olefin copolymers
  • EPDM polybutenes
  • Poly-alphaolefins with high molecular weight viscosity 100 ° C.> 150
  • styrene-olefin copolymers hydrogenated or not, etc.
  • compositions used according to the invention may contain one or more additives of a pour point depressant additive.
  • Anti-corrosion agents and copper passivating agents for example such as polyisobutene succinic anhydrides, sulfonates thiadiazoles, mercaptobenzothiazole.
  • the viscosity of the oils used according to the invention can be defined by their grade according to SAE J306.
  • the viscosity values corresponding to the different grades are reported in Table 1 below.
  • the kinematic viscosity values at 100 ° C are measured according to the standard: Brookfield viscosity measurements are made according to the standard: Table 1.
  • oils used according to the invention preferentially have grades characteristic of bridge oil formulations for light or heavy vehicles. They are preferably grade 75W-90, 80W-90, 85W-90, 85W140, or monograde oils 90 or 140.
  • the reference lubricant composition (A) is an 80W90 grade oil. This reference as well as compositions B, C, and D were prepared from a mixture of several base oils and additives.
  • the phosphosulfur additives are provided by a package of performance additive for transmission oils, providing all the basic properties (anti-wear, extreme-pressure, anti-oxidant, anti-corrosion, etc.), and in particular containing alkyl dithiophosphates, alkyl phosphonates, alkyl phosphates.
  • the mass content of phosphorus (ASTMD5185), sulfur (ASTM D2622), and active sulfur at 150 ° C (ASTM D1662) was measured for reference A and oils B, C, and D.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Claims (10)

  1. Verwendung einer Schmiermittelzusammensetzung als Schmiermittel zur Erhöhung der Beständigkeit gegen das Abblättern von reibenden Metallteilen, wobei die Schmiermittelzusammensetzung Folgendes umfasst:
    (a) 60 bis 90 Gewicht-% eines oder mehrerer Basisöle mineralischem, synthetischem oder natürlichem Ursprungs,
    (b) wenigstens ein phosphorhaltiges oder phosphorschwefelhaltiges Antiverschleiß- und Höchstdruckadditiv,
    (c) 0,1 bis 2 Gewichts-% von wenigstens einem schwefelhaltigen Antiverschleiß- und Höchstdruckadditivs (c), wobei das Additiv (c) ausgewählt ist aus einem oder mehreren schwefelhaltigen Olefinen der allgemeinen Formel R1-Sx-R2, wobei R1 und R2 Alyklgruppen mit 3 bis 15 Kohlenstoffatomen sind und x eine ganze Zahl zwischen 2 und 6 ist, und wobei das schwefelhaltige Additiv (c) ein Verhältnis zwischen dem aktivem Schwefel-Massengehalt, gemäß ASTM D1662, an 150°C gemessen, und dem Schwefelelement-Massengehalt, gemäß ASTM D5185, (aktiver S/S) kleiner als 0,45 ist, und einem Schwefelelement-Massengehalt hat, gemäß ASTM D5185, das grösser als 20% ist, und wobei:
    - das Verhältnis zwischen dem Schwefelelement-Massengehalt, gemäß ASTM D2622, und dem Phosphorelement-Massengehalt, gemäß ASTM D5185, (S/P) der Schmiermittelzusammensetzung zwischen 20 und 40, vorzugsweise zwischen 25 und 35 liegt;
    - das Verhältnis zwischen dem aktiven Schwefel-Massengehalt, gemäß ASTM D1662 bei 150°C, und dem Schwefelelement-Massengehalt, gemäß ASTM D5185, (aktiver S/S), der Schmiermittelzusammensetzung, kleiner als 0,34, vorzugsweise, kleiner als 0,33 ist.
  2. Verwendung nach Anspruch 1, wobei die Schmiermittelzusammensetzung ein aktives Schwefel-Massengehalt, gemäß ASTM D1662 an 150°C gemessen, (aktiver S/S), das kleiner als 1,200%, vorzugsweise kleiner oder gleich 1,180% ist.
  3. Verwendung nach Anspruch 1 oder 2, wobei das schwefelhaltige Additiv (c) ein Schwefelelement-Massengehalt hat, gemäß ASTM D5185, das größer als 40% ist.
  4. Verwendung nach einem der Ansprüche 1 bis 3, wobei die Schmiermittelzusammensetzung als Basisöl (a) 10 bis 20% einer oder mehrere Basisöle der Gruppe V umfasst, gegebenenfalls in Kombination mit einem oder mehreren Grundölen, ausgewählt aus den Gruppen I, II, III, IV oder VI der API-Klassifizierung, und/oder Basisöle natürlichem Ursprungs.
  5. Verwendung nach einem der Ansprüche 1 bis 4, wobei die 60 bis 90% Basisöle aus Folgendem bestehen:
    - 20 bis 30 Gewichts-%, im Vergleich zu dem Gesamtgewicht des Schmiermittels, einem paraffinischen Basisöl mit hoher Viskosität, der Gruppe I der API-Klassifizierung angehörend, mit einer Viskosität die zwischen 30 und 34 cSt bei 100°C liegt
    - 30 bis 45 Gewichts-%, im Vergleich zu dem Gesamtgewicht des Schmiermittels, einem paraffinischen Basisöl mit hoher Viskosität, der Gruppe I der API-Klassifizierung angehörend, mit einer Viskosität die zwischen 10 und 15 cSt bei 100°C liegt 10 bis 20 Gewichts-%, im Vergleich zu dem Gesamtgewicht des Schmiermittels, einem synthetischen Öl der Gruppe V.
  6. Verwendung nach einem der Ansprüche 1 bis 5, wobei das oder die phosphorhaltigen oder phosphorschwefelhaltigen Antiverschleiß- und Höchstdruckadditive (b) aus den Alkylphosphaten, dem Alkylphosphonat, der Thiophosphorsäure, der thiophosphorigen Säure, den Estern dieser Säuren, deren Salze, den Alkyldithiophosphaten ausgewählt sind.
  7. Verwendung nach einem der Ansprüche 1 bis 6, wobei die Brookfield dynamische Viskosität der Schmiermittelzusammensetzung kleiner oder gleich 150 mPa ist, bei Temperaturen die höher oder gleich -12°C, vorzugsweise höher oder gleich -26°C, vorzugsweise höher oder gleich -40°C sind.
  8. Verwendung nach einem der Ansprüche 1 bis 7, wobei die kinematische Viskosität der Schmiermittelzusammensetzung bei 100°C kleiner oder gleich 32,5 cSt ist.
  9. Verwendung nach einem der Ansprüche 1 bis 8, wobei die Schmiermittelzusammensetzung der Klasse der Mehrbereichsöle vom Rang 85W140, 85W90, 80W90, 75W90 oder der Einbereichsöle vom Rang 140 oder 90, gemäß der SAEJ306-Norm, angehört.
  10. Verwendung nach einem der Ansprüche 1 bis 9, wobei die reibenden Metallteile Fahrzeugbrückengetriebe sind.
EP08872655.9A 2007-12-21 2008-12-18 Verwendung einer schmierstoffzusammensetzung für getriebe Not-in-force EP2242824B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0709017A FR2925520B1 (fr) 2007-12-21 2007-12-21 Compositions lubrifiantes pour transmissions
PCT/FR2008/001778 WO2009103897A2 (fr) 2007-12-21 2008-12-18 Compositions lubrifiantes pour transmissions

Publications (2)

Publication Number Publication Date
EP2242824A2 EP2242824A2 (de) 2010-10-27
EP2242824B1 true EP2242824B1 (de) 2017-10-18

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EP08872655.9A Not-in-force EP2242824B1 (de) 2007-12-21 2008-12-18 Verwendung einer schmierstoffzusammensetzung für getriebe

Country Status (8)

Country Link
US (1) US9133414B2 (de)
EP (1) EP2242824B1 (de)
CN (1) CN101903507B (de)
BR (1) BRPI0820358A2 (de)
CA (1) CA2709322C (de)
FR (1) FR2925520B1 (de)
MX (1) MX2010006754A (de)
WO (1) WO2009103897A2 (de)

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EA018494B1 (ru) * 2011-09-30 2013-08-30 Адиль Мустафа оглы Агаев Способ получения комплексной консистентной смазки
FR2984348B1 (fr) 2011-12-16 2015-02-27 Total Raffinage Marketing Compositions lubrifiantes pour transmissions
JP6678647B2 (ja) * 2014-08-06 2020-04-08 ザ ルブリゾル コーポレイションＴｈｅ Ｌｕｂｒｉｚｏｌ Ｃｏｒｐｏｒａｔｉｏｎ 生分解性硫黄成分を有する工業用ギア潤滑剤の添加剤パッケージ
JP2017132875A (ja) 2016-01-27 2017-08-03 東燃ゼネラル石油株式会社 潤滑油組成物
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Publication number Publication date
CN101903507A (zh) 2010-12-01
CN101903507B (zh) 2013-12-04
FR2925520B1 (fr) 2011-02-25
WO2009103897A3 (fr) 2009-11-12
CA2709322A1 (en) 2009-08-27
US20110003724A1 (en) 2011-01-06
MX2010006754A (es) 2010-10-20
BRPI0820358A2 (pt) 2018-07-17
US9133414B2 (en) 2015-09-15
FR2925520A1 (fr) 2009-06-26
WO2009103897A2 (fr) 2009-08-27
EP2242824A2 (de) 2010-10-27
CA2709322C (en) 2015-10-20

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