WO2000029523A1 - Composition d'huile pour boite sans rapport fixe - Google Patents

Composition d'huile pour boite sans rapport fixe Download PDF

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Publication number
WO2000029523A1
WO2000029523A1 PCT/JP1999/006286 JP9906286W WO0029523A1 WO 2000029523 A1 WO2000029523 A1 WO 2000029523A1 JP 9906286 W JP9906286 W JP 9906286W WO 0029523 A1 WO0029523 A1 WO 0029523A1
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WIPO (PCT)
Prior art keywords
mass
continuously variable
variable transmission
transmission oil
oil composition
Prior art date
Application number
PCT/JP1999/006286
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English (en)
Japanese (ja)
Inventor
Shin Saeki
Kohei Matsuo
Original Assignee
Japan Energy Corporation
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Filing date
Publication date
Application filed by Japan Energy Corporation filed Critical Japan Energy Corporation
Priority to DE69915804T priority Critical patent/DE69915804T2/de
Priority to EP99972247A priority patent/EP1055722B1/fr
Priority to JP2000582508A priority patent/JP4367819B2/ja
Publication of WO2000029523A1 publication Critical patent/WO2000029523A1/fr

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    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
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    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives

Definitions

  • the present invention relates to a continuously variable transmission oil composition, and in particular, has a high coefficient of friction, excellent durability of the coefficient of friction, low abrasion, and an improvement in the 1-V characteristic without lowering the coefficient of friction at high speed.
  • the present invention relates to a continuously variable transmission oil composition for a belt-type CVT capable of preventing noise. Background art
  • a T automatic transmissions
  • ATF automatic transmission fluid
  • the lubricating oil is required to have a belt and a pulley that are unlikely to slip and the belt and the pulley are hard to wear.
  • it has become necessary to have a lubricating property to prevent abrasion, but to have a certain level of frictional force to prevent the pulley and belt from slipping for sufficient power transmission.
  • Japanese Unexamined Patent Publication No. 9-25491 discloses that, in order to eliminate the “scratch phenomenon” of CVT, (a) alkyl sulfonate overbased with alkali metal and alkaline earth metal (B) metal dialkyl diphosphates such as zinc diisooctyl dithiophosphate; (c) sulfur-containing friction modifiers such as sulfurized olefins and sulfurized fatty acids; (d) A lubricating oil to which an additive package comprising a fatty acid amide, (e) a viscosity improver such as polyolefin, and the like is disclosed.
  • Japanese Patent Application Laid-Open No. 9-78079 discloses that the slip speed is set to 200 b using the LFW-1 test method specified in ASTMD 274, and the vertical load is set to 200 b. 0 to 100 cmZs, the coefficient of friction measured from the frictional force at each sliding speed shows a positive friction characteristic that increases with the sliding speed, and at a sliding speed of 2.5 cm or less.
  • Lubricating oils having a coefficient of friction in the range of 0.12 to 0.14 have been proposed. Specifically, lubricating oils containing sulfide esters, metal salt detergents, zinc dialkyldithiophosphate, phosphate esters, imide compounds, and polymethacrylate in mineral or synthetic base oils. . By using this lubricating oil, large-capacity power transmission becomes possible, and the slip The phenomenon can be suppressed.
  • a lubricating base oil comprises at least one sulfur-based extreme pressure agent selected from sulfurized oils and fats, thiocarbamates, and thioterpenes, and tricresyl phosphate. And one or more linoleic extreme pressure agents selected from the group consisting of alkyl acid phosphate amine salts and alkenyl acid phosphate amine salts, and alkaline earth metal detergents such as calcium phenate.
  • a lubricating oil composition for a continuously variable transmission is disclosed. According to the company, it has excellent wear resistance and extreme pressure properties, and can maintain a high friction coefficient for a long time, enabling large-capacity torque transmission.
  • Japanese Patent Application Laid-Open No. 9-2637882 discloses that an ashless dispersant such as a sulfonate or an imide compound, an acid amide, a dithione or the like is added to a base oil containing a viscosity index improver as necessary. It discloses a continuously variable transmission oil composition containing an organic molybdenum compound such as molybdenum phosphate and molybdenum dithiolbamate, and an amine-based antioxidant. This composition has a minimum friction coefficient at 100 ° of 0.1 or more and a ratio of friction coefficient ⁇ d at the sliding velocity V to the friction coefficient ⁇ s immediately before the sliding velocity becomes 0 / s / id / id. Less than. It also states that it may contain fatty acid derivatives, partial ester compounds, sulfur-based antioxidants, etc. It says that this makes it possible to maintain the friction coefficient for a long time and to prevent scratch noise.
  • an organic molybdenum compound such as
  • the present invention has good anti-wear properties while having a high coefficient of friction at high speeds.
  • the present inventors have intensively studied a metal belt type CVT lubricating oil in order to solve such a problem. As a result, they have found that the above-mentioned problems are satisfied by selecting and using a specific type of additive from a large number of additives, and have completed the present invention.
  • the present invention relates to (a) a lubricating base oil, (b) at least one selected from the group consisting of polymethacrylates, (c) phenates of alkaline earth metals and sulfonates of alkaline earth metals, d) an imido compound, (e) at least one selected from phenyl phosphate, a / req / refeninolephosphate, pheninolethiophosphate, alkylphenylthiophosphate, and (f) zinc dithiophosphate And (g) a continuously variable transmission oil composition comprising a fatty acid amide compound.
  • the polymethacrylate is a dispersion type, and its compounding amount is 5 to 15% by mass based on the continuously variable transmission oil.
  • the alkaline earth metal phenate and the alkaline earth metal sulfonate are at least one selected from potassium salt, magnesium salt, and potassium salt, and the mixing amount thereof is 0 based on the continuously variable transmission oil. 5 to 3.0% by mass.
  • the imide compound is succinic acid imidate or boron-containing succinic acid imide, and its compounding amount is 0.5 to 5.0% by mass based on the continuously variable transmission oil.
  • the compounding amount is one or more selected from the above-mentioned phenyl / rephosphate, azolequinolefeni / rephosphate, phenylthiophosphate, and alkylphenylthiophosphate, but is 0.1 or more based on the continuously variable transmission oil. ⁇ 2.0% by mass.
  • the zinc dithiophosphate is a commonly available compound of dithiophosphoric acid and zinc having an alkyl group and / or an aryl group, and its compounding amount is defined as 0.1% of zinc based on a continuously variable transmission oil. It is 0.5 to 0.2% by mass.
  • the fatty amine De compounds its amount is, in the continuously variable transmission fluids reference is 0.1 to 3.0 mass 0/0.
  • a mineral base oil is extracted by a known method using a neutral oil produced from crude oil as a crude oil, a bright stock, or a distillate extracted from an atmospheric distillate with a solvent such as furfural.
  • the obtained roughine is dewaxed with a solvent such as methyl ethyl ketone, and the resulting roughine is hydrorefined under high pressure to remove impurities such as sulfur.
  • the synthetic oil include poly- ⁇ -olefin, polyhydric alcohol ester, polyalkylene glycol, and the like.
  • mineral oil and synthetic oil can each be used alone, or a mixture thereof.
  • the base oil used in the present invention the 1 2 0 or more base oil viscosity index 3 0 mass 0/0 or more, preferably containing 5 0% by mass or more.
  • base oils include waxes, highly hydrorefined oils and the like obtained by hydroisomerization, and synthetic oils. If the base oil having a viscosity index of 120 or more falls below 30% by mass, the life of the continuously variable transmission oil may be shortened.
  • a dispersion type can be suitably used.
  • Such a polymer can be obtained by copolymerizing an alkyl methacrylate monomer and a polar monomer.
  • the polar monomer at least one selected from getylaminoethyl methacrylate, 2-methyl-5-butylpyrrolidone, ⁇ -pyrrolidone, and morpholinoethyl methacrylate can be suitably used.
  • Alkyl methacrylate monomer and polar monomer The molar ratio is preferably in the range of 80:20 to 95: 5 at which the dispersion effect is maximized.
  • the molecular weight of the polymer is preferably in the range of number-average molecular weight of 1,000 to 10,000, from the viewpoint of shear stability and the like.
  • the addition amount of polymethacrylate is preferably 5 to 15% by mass, more preferably 7 to 12% by mass, based on the total amount of the continuously variable transmission oil. If the content is less than 5% by mass, the low-temperature startability and the wear prevention effect may be reduced. Further, even if it exceeds 15% by mass, the effect of preventing wear may be reduced.
  • alkaline earth metals phenates of alkaline earth metals and sulfonates of alkaline earth metals.
  • the alkaline earth metals one or more selected from calcium, magnesium and barium can be used.
  • at least one selected from calcium and magnesium is preferable from the viewpoint of improving the friction coefficient characteristics.
  • the addition amount of at least one selected from alkaline earth metal phenates and alkaline earth metal sulfonates is preferably from 0.5 to 3.0% by mass, more preferably from 0 to 3.0% by mass, based on the total amount of the continuously variable transmission oil. 7 to 2.0% by mass. If the amount is less than 0.5% by mass, the durability of the coefficient of friction and the cleaning effect may be insufficient. On the other hand, if the amount exceeds 3.0% by mass, the coefficient of friction may be reduced.
  • succinic imid and Z or boron-containing succinic imid are preferable. Those having an alkenyl group can be suitably used.
  • the alkenyl succinic acid imide is used for dispersing insolubles, sludge, and the like generated by the oxidation of organic substances, and has an effect of reducing the friction coefficient relatively little and reducing the change of the friction coefficient with time.
  • the addition amount of the imide compound 0.5 to 5.0 mass with CVT oil total amount 0/0
  • the phenyl phosphate, anoalkyl phenyl phosphate, phenyl thiophosphate and anolyalkyl phenyl thiophosphate used in the present invention are compounds having 1 to 3 hydrocarbon groups in the molecule. At least one hydrocarbon group has a benzene ring.
  • hydrocarbon group examples include a phenyl group having a benzene ring, an aryl group having 7 to 18 carbon atoms, a primary alkyl group having 3 to 11 carbon atoms having no benzene ring, Examples thereof include a secondary alkyl group having 3 to 18 carbon atoms and a / 3-branched alkyl group having 3 to 18 carbon atoms.
  • the hydrocarbon groups in the molecule may be the same, one may be different from the other two, or each may be different. Those having substantially two or more hydrocarbon groups having a benzene ring in the molecule can be preferably used.
  • the compounding amount of one or two or more of these phenyl phosphates, anorex / rephenylphosphate, phenyl / rethiophosphate, and anorequinolefeninolethiophosphate is selected from the group consisting of: 0.1 to 2.0 mass 0/0 preferably in the continuously variable transmission oil basis, more preferably 0.3 to 2.0 wt%. If the addition amount is less than 0.1% by mass, the coefficient of friction will be low and the characteristics as a continuously variable transmission oil may not be sufficient. Further, if the mass exceeds 2.0 / 0 , no further improvement in performance can be seen.
  • the hydrocarbon group of dithiophosphoric acid is a primary alkyl group having 3 to 11 carbon atoms, a secondary alkyl group having 3 to 18 carbon atoms,
  • a zinc compound of one or more dithiophosphoric acids selected from a 3-branched alkyl group having 3 to 18 carbon atoms], a phenyl group and an aryl group having 7 to 18 carbon atoms is preferable.
  • phenyl-based and aryl-based oils are preferred in terms of stability of the friction coefficient.
  • secondary alkyl groups have excellent anti-wear effects, while primary alkyl groups and 0-position branched alkyl groups have excellent stability against thermal and oxidative degradation. It is preferable to select several kinds of zinc dithiophosphate compounds and to use them by changing their mixing ratio.
  • zinc dithiophosphate having a phenyl group and an aryl group is 10 parts by weight, and dithiophosphorus having a primary alkyl group is 1 to 20 parts by weight.
  • a combination of zinc acid can be suitably used. Also, there is no need to stick to this combination, and there is no problem using readily available ones.
  • dithiophosphoric acid with one hydrocarbon group is mixed as an impurity, but it can be used as long as its solubility in the base oil is not a problem.
  • the addition amount of the zinc compound of dithiophosphoric acid is preferably 0.05 to 0.2% by mass as zinc, and 0.074 to 0.2% by mass based on the total amount of the continuously variable transmission oil. More preferred. If the addition amount is less than 0.05% by mass, not only the friction coefficient decreases, but also the abrasion prevention effect decreases. Further, even if it exceeds 0.2% by mass, no further improvement in performance can be seen.
  • the fatty acid amide compound used as the friction modifier in the present invention any of those conventionally used generally can be used.
  • the type is not particularly limited, but, for example, the following fatty acid alcohol amides can be suitably used. That is, the fatty acid of the fatty acid amide preferably has 7 to 22 carbon atoms, and more preferably has 8 to 20 carbon atoms.
  • saturated fatty acids such as octanoic acid, decanoic acid, dodecanoic acid, tetradecanoic acid, hexadecanoic acid, and octadecanoic acid
  • unsaturated fatty acids such as oleic acid, mixtures thereof
  • mixed fatty acids derived from natural (animal and plant) can be mentioned.
  • unsaturated fatty acids such as oleic acid can be preferably used because of their low melting point.
  • the fatty acid alcohol amide include diethanolamine, monoethanolamine, monoisopropanolamine, and mixtures thereof.
  • Specific compounds obtained from the above fatty acids and amines include dodecanoic acid (lauric acid) monoethanolamide, dodecanoic acid diethanolamide, octadecanoic acid ethanolamide, octadecanoic acid monoethanolamide, oleic acid diethanolamide, monooleic acid monoethanolamide Ethanolamide, coconut oil fatty acid diethanolamide, palm oil fatty acid monoethanolamide, tetradecanoic acid (myristic acid) diethanolamide, tetradecanoic acid monoethanolamide, dodecanoic acid tetradecanoic acid ethanolamide, hexadecanoic acid (palmitic acid) ) Diethanolamide, hexadenoic acid monoethanolamide, dodecanoic acid isopropanolamide, iso-octadecanoic acid diethanolamide, iso-octadecanoic acid Examples thereof include nonethanolamide, palm kernel oil diethanolamide, and palm kernel oil monoethanolamide.
  • the fatty acid used does not need to be a single component, but a mixture of two or more or a naturally occurring fatty acid Has no problem.
  • the amount of these fatty acid amide compounds to be added is preferably 0.1 to 3.0% by weight, more preferably 0.5 to 2.0% by weight, based on the continuously variable transmission oil. / 0 . If the amount is less than 0.1% by weight, the effect of preventing scratch noise is reduced, which is not preferable. On the other hand, if the addition amount exceeds 3.0% by weight, the friction coefficient is lowered, which is not preferable.
  • Scratch noise is caused by the slip between components (coming, ring / ring) in the belt assembly of the belt type CVT. Stick rips occur when the coefficient of friction decreases with increasing slip velocity. Therefore, the following equation:
  • the continuously variable transmission oil composition of the present invention is particularly excellent in this ⁇ -V characteristic, as shown in Examples described later. This is because, mainly by mixing fatty acid amide compounds, the ⁇ -V characteristic can be changed from a negative slope to a positive slope without decreasing the friction coefficient at high speed, It is probable that the slope was reduced. Therefore, the excellent ⁇ -V characteristics of the present invention can be obtained by combining the above-mentioned (a) to (g) with the combination of the lubricating base oil and the additive, or at least with the combination thereof, of the fatty acid amide compound. This is considered to be the result of the performance of improving ⁇ -V characteristics.
  • the continuously variable transmission oil and the composition of the present invention include the base oil and the additive.
  • the continuously variable transmission oil composition of the present invention has a large friction coefficient at a high speed and particularly good ⁇ -V characteristics, it can transmit power of a high-output, large-capacity engine having a high torque at a low speed. It is suitable as a lubricating oil for CVTs, and can be used effectively for relatively large vehicles.
  • the continuously variable transmission oil composition of the present invention contains, in addition to the above additives, antioxidants, antioxidants, and pour points conventionally used in lubricating oils as long as the object of the present invention is not impaired.
  • a depressant, a metal deactivator and the like can also be added as appropriate.
  • As the antioxidant a phosphorus antioxidant, a phenolic antioxidant, or an amine antioxidant may be used alone or in combination.
  • the addition amount of the antioxidant is about 0.1 to 3.0% by mass based on the total amount of the continuously variable transmission oil. If it is less than 0.1% by mass, the antioxidant ability may be insufficient. On the other hand, when the content exceeds 3.0% by mass, sludge formation due to an increase in the concentration of oxidative decomposition products or a decrease in the coefficient of friction is not preferred.
  • phosphorus antioxidants examples include bis (2,4-di-tert-butylphenyl) pentaerythritol diphosphite, phenyldiisodesyl phosphite, diphenyldiisosoctyl phosphite, diphenyldiisodesyl phosphite, and triphenyl.
  • aryl phosphates in particular, one aryl group preferably has at least one or more, preferably two alkyl groups from the viewpoint of hydrolytic decomposition stability, and trisyl (2, 4) Tri-t-butylphenyl) phosphite, trisnoninolephenyl phosphite, tri- (mono-di-mixed nonylphenyl) phosphite and the like can be suitably used.
  • Tri-t-butylphenyl) phosphite Tri-t-butylphenyl) phosphite, trisnoninolephenyl phosphite, tri- (mono-di-mixed nonylphenyl) phosphite and the like can be suitably used.
  • phenolic antioxidants examples include 2,6-di-t-butylphenol, 2-t-butyl-4-phenol-methoxy, 2,4-dimethynolate 6-t-butynole Phenol, 2,4-diethyl 6-t-butyl phenol, 2,6-di-t-butyl-p-creso 1,6-di-tert-butyl-4-ethynolephenol, 2,6-di-tert-butyl-4-hydroxymethylphenol, 2,6-di-tert-butyl 4- (N, N-dimethylamine) (Methyl) phenol, n-otatadecyl-1- ⁇ - (4,1-hydroxy-3,5-di-t-butylphenyl) propionate, 2,4- (n-octylthio) -16- (4-hydroxy) 3,1,5, di-tert-butylanilino) 1,1,3,5-triazine
  • 6-di-t-butyl-p-cresol 2,2,1-methylenebis (4-methyl-6-t-butylphenol), 2,2,1-methylenebis (4-ethyl-6-t-butynole 4-phenethylolepheno And 4, 4'-methylene bis (2,6-di-tert-butylphenol) are preferred.
  • amine-based antioxidants examples include p, p, dioctyldiphenylamine, N-pheninole N, iso-isopropinole p-phenylenediamine, poly 2,2,4 — Trimethyl-1-, 2-dihydroquinoline, 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline, thiodiphenylamine, 4-amino-p-diphenylamine, etc. One or more of these can be used.
  • the metal deactivator examples include benzotriazole, tritriazole, benzotriazole derivatives having a hydrocarbon group having 2 to 10 carbon atoms, benzimidazole, and carbon atoms having 2 to 20 carbon atoms.
  • examples thereof include an imidazole derivative having a hydrogen group, a thiazole derivative having a C2 to C20 hydrocarbon group, and 2-mercaptobenzothiazole. One or more of these may be used.
  • the present invention will be specifically described with reference to examples of a lubricating oil for belt type CVT. All of the examples illustrated as comparative examples have excellent performance. Therefore, the difference from the embodiment is small. However, the CVT oil of the present invention is more excellent in characteristics than the comparative example. Further, the present invention is not limited to only these examples.
  • Test method Using the LFW-1 tester described in ASTM D2714, the friction coefficient of the continuously variable transmission oil, the stability of the friction coefficient, and the lubricity were examined. The test conditions were as follows: load: 201 bf, rotation speed: 140 rpm, oil temperature: 1103 ⁇ 4, and the friction coefficient and wear scar width 30 minutes after the start of the test were measured. Standard test pieces were used.
  • Rotation speed 3 0 r Friction coefficient of p m is a value measured after setting the rotation speed after 3 0 min.
  • Lubricating base oil 1 A mixture of 40% by mass of a base oil obtained by hydroisomerization of ⁇ ⁇ ⁇ , 20% by mass of a solvent dewaxed base oil and 40% by mass of a neutral oil was mixed. 2 0 mm 2 Z s kinematic viscosity Wakkusu hydroisomerization oil in 4 0 ° C, 4 in 1 0 0 ° C. 5 mm 2 s, flash point 2 2 4 ° C, sulfur content 1 0 ppm According to NDM ring analysis, the aromatic component was 0% and the viscosity index was 142.
  • the aromatic component was 6.5% by NDM ring analysis, and the viscosity index was 97.
  • the kinematic viscosity of the dual nutrient oil is 12 mm 2 s at 40 ° C, 2.9 mm 2 Z s at 100 ° C, the flash point is 190 ° C, and the sulfur content is 0.08.
  • Lubricating oil base oil 2 35% by mass of a base oil obtained by hydroisomerizing the above-mentioned box, 25% by mass of a solvent-dewaxed base oil, and 40% by mass of a neutral oil were mixed.
  • Lubricating oil base oil 3 70 mass% base oil obtained by hydroisomerizing the above-mentioned box and 30 mass of neutral oil. / 0 mixed.
  • Lubricating oil base oil 4 65% by mass of a base oil obtained by hydroisomerizing the above-mentioned PEX, 5% by mass of a solvent-dewaxed base oil, and 30% by mass of a neutral oil.
  • Zinc dithiophosphate (ZnDTP) An industrial-grade zinc diaryldithiophosphate having a C12 aryl group.
  • ZnDTP zinc dialkyldithiophosphate having a primary alkyl group having 8 carbon atoms in the alkyl group
  • friction modifiers other than the following fatty acid amide compounds were prepared.
  • Example 1 In the same manner as in Example 1 except that 1.0% by mass of the calcium phenate of (c3) was added instead of the (cl) calcium phenate of Example 1 and the calcium sulfonate of (c2).
  • Table 1 shows the results of the LFW-1 test. It shows a high coefficient of friction even 30 minutes after the start of the test. Further, the friction coefficient of the rotation number 1 4 0 rpm ⁇ t 4. And friction coefficient ⁇ 3 at 30 rpm. The difference from this was +0.016, indicating a positive gradient.
  • Example 1 instead of (el) Application Benefits phenylalanine phosphate Example 1, the (e 2) bird whistle 0 double Ruchiohosufue Ichito. 5 mass 0/0 was added, also (g 1) catcher shea oil fatty diethanolamine de Except that the addition amount of was changed to 0.5% by mass. In the same manner as in Example 1, a continuously variable transmission oil composition was prepared. Table 1 shows the results of the L FW-1 test. Even after 30 minutes from the start of the test, it not only shows a high coefficient of friction but also has little wear. Furthermore, the friction coefficient at a rotation speed of 140 rpm; /, 40 and the friction coefficient ⁇ 3 at a rotation speed of 30 rpm. Although the difference from this is 0.09, which is a negative slope, the slope is small.
  • the concentration is a value based on the total amount of continuously variable transmission oil.
  • Table 1 shows the results of the LFW-1 test.
  • the friction coefficient 30 minutes after the start of the test shows a high value and the wear is small, but the friction coefficient ⁇ at a rotation speed of 140 rpm is 4 .
  • Comparative Example 2 (g 3) except for adding cormorants by the a 0.1 mass 0/0 Oreiruamin of was produced in the same manner CVT oil composition as Comparative Example 2.
  • Table 1 shows the results of the LF W-1 test. The friction coefficient 30 minutes after the start of the test was a low value.
  • the acid dithiophosphate amine salt of (e4) was added so as to have a concentration of 0.5 mass 0 /, and further, as a fatty acid amide, (g1) coconut oil and fatty acid diethanolamide was added. Was added so as to be 1.0% by mass to obtain a continuously variable transmission oil composition. Concentration is a value based on a continuously variable transmission and the total amount of oil. Table 1 shows the results of the L FW-1 test. The coefficient of friction was low 30 minutes after the start of the test.
  • the power transmission loss is small due to the high coefficient of friction, and the wear is small. More particularly high
  • the ⁇ -V characteristics can be improved without reducing the friction coefficient at high speeds, and scratch noise can be prevented.
  • even high-power, large-capacity engines can be suitably used as lubricating oil for belt-type CVTs that transmit the power, and are suitable for automobiles with excellent livability and fuel economy. It can be spread.

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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)

Abstract

La présente invention concerne une composition d'huile pour boîte sans rapport fixe qui résulte de l'incorporation dans (a) une huile de base de lubrification (b) d'un polyméthacrylate, (c) du phénate ou d'un sulfonate d'un métal alcalino-terreux, (d) d'un composé imide, (e) d'un (alkyle)phényle (thio)phosphate, (f) de dithiophosphate de zinc, et (g) d'un composé amide d'acide gras. Elle a un coefficient tellement élevé qu'elle peut transmettre l'énergie d'un moteur à fort débit, et en outre, elle est très efficace dans la prévention de l'usure et de la prévention des grincements. Elle convient donc particulièrement comme huile de lubrification pour boîtes à variation continue des rapports des automobiles.
PCT/JP1999/006286 1998-11-13 1999-11-11 Composition d'huile pour boite sans rapport fixe WO2000029523A1 (fr)

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DE69915804T DE69915804T2 (de) 1998-11-13 1999-11-11 Ölzusammensetzung für gangschaltung
EP99972247A EP1055722B1 (fr) 1998-11-13 1999-11-11 Composition d'huile pour boite sans rapport fixe
JP2000582508A JP4367819B2 (ja) 1998-11-13 1999-11-11 無段変速機油組成物

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JP2001342486A (ja) * 2000-06-05 2001-12-14 Tonengeneral Sekiyu Kk 無段変速機用潤滑油組成物
JP2002155292A (ja) * 2000-11-21 2002-05-28 Tonengeneral Sekiyu Kk 無段変速機用潤滑油組成物
JP2002275492A (ja) * 2001-02-14 2002-09-25 Ethyl Corp 改善された耐振動性能を有するオートマテイックトランスミッション用流体
JP2003073683A (ja) * 2001-08-30 2003-03-12 Nippon Oil Corp 自動変速機用潤滑油組成物
JP2003277785A (ja) * 2002-03-15 2003-10-02 Infineum Internatl Ltd 改良された揺れ抵抗特性を有する動力伝達流体組成物
JP2004528474A (ja) * 2001-05-31 2004-09-16 クロムプトン コーポレイション 潤滑油用アルキルヒドラジド添加剤
JP2004530038A (ja) * 2001-06-08 2004-09-30 エクソンモービル リサーチ アンド エンジニアリング カンパニー 分散剤含有潤滑油の防錆性および抗乳化性を向上するための、金属防錆剤と無灰防錆剤の相乗的な組み合わせ
JP2007211250A (ja) * 2007-04-05 2007-08-23 Tonengeneral Sekiyu Kk 無段変速機用潤滑油組成物
WO2008038571A1 (fr) * 2006-09-25 2008-04-03 Idemitsu Kosan Co., Ltd. Composition d'huile hydraulique
WO2008111341A1 (fr) * 2007-03-14 2008-09-18 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante pour des transmissions variables en continu
WO2009063752A1 (fr) * 2007-11-16 2009-05-22 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante
WO2014003162A1 (fr) * 2012-06-29 2014-01-03 出光興産株式会社 Composition lubrifiante
WO2015146985A1 (fr) * 2014-03-24 2015-10-01 Ｊｘ日鉱日石エネルギー株式会社 Composition d'agent de protection de surface, structure de connexion électrique l'utilisant, et procédé de fabrication de structure de connexion électrique
WO2016199567A1 (fr) * 2015-06-11 2016-12-15 株式会社オートネットワーク技術研究所 Composition de revêtement de surface métallique et fil électrique recouvert pourvu d'une borne
JP2018115279A (ja) * 2017-01-19 2018-07-26 シチズン時計株式会社 時計バンド用潤滑処理剤、時計バンド、時計および時計の製造方法
CN113025407A (zh) * 2021-01-25 2021-06-25 广州科卢斯流体科技有限公司 一种智能交通控制系统用的传动油

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US6610637B2 (en) * 2001-02-13 2003-08-26 The Lubrizol Corporation Synthetic diesel engine lubricants containing dispersant-viscosity modifier and functionalized phenol detergent
WO2002097017A1 (fr) 2001-05-28 2002-12-05 Nissan Motor Co., Ltd. Composition d'huile de transmission pour automobile
KR100427385B1 (ko) * 2002-02-22 2004-04-14 현대자동차주식회사 윤활유 조성물
US6586375B1 (en) * 2002-04-15 2003-07-01 The Lubrizol Corporation Phosphorus salts of nitrogen containing copolymers and lubricants containing the same
JP2005343976A (ja) * 2004-06-01 2005-12-15 Showa Shell Sekiyu Kk 潤滑油組成物
JP5889695B2 (ja) * 2012-03-29 2016-03-22 Ｊｘ日鉱日石エネルギー株式会社 潤滑油組成物
US9499765B2 (en) 2015-03-23 2016-11-22 Chevron Japan Ltd. Lubricating oil compositions for construction machines
US20160281020A1 (en) 2015-03-23 2016-09-29 Chevron Japan Ltd. Lubricating oil compositions for construstion machines
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JP2001342486A (ja) * 2000-06-05 2001-12-14 Tonengeneral Sekiyu Kk 無段変速機用潤滑油組成物
JP2002155292A (ja) * 2000-11-21 2002-05-28 Tonengeneral Sekiyu Kk 無段変速機用潤滑油組成物
JP2002275492A (ja) * 2001-02-14 2002-09-25 Ethyl Corp 改善された耐振動性能を有するオートマテイックトランスミッション用流体
JP2004528474A (ja) * 2001-05-31 2004-09-16 クロムプトン コーポレイション 潤滑油用アルキルヒドラジド添加剤
JP2004530038A (ja) * 2001-06-08 2004-09-30 エクソンモービル リサーチ アンド エンジニアリング カンパニー 分散剤含有潤滑油の防錆性および抗乳化性を向上するための、金属防錆剤と無灰防錆剤の相乗的な組み合わせ
JP2003073683A (ja) * 2001-08-30 2003-03-12 Nippon Oil Corp 自動変速機用潤滑油組成物
WO2003020858A1 (fr) * 2001-08-30 2003-03-13 Nippon Oil Corporation Composition d'huile de graissage conçue pour une transmission automatique
JP2003277785A (ja) * 2002-03-15 2003-10-02 Infineum Internatl Ltd 改良された揺れ抵抗特性を有する動力伝達流体組成物
WO2008038571A1 (fr) * 2006-09-25 2008-04-03 Idemitsu Kosan Co., Ltd. Composition d'huile hydraulique
WO2008111341A1 (fr) * 2007-03-14 2008-09-18 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante pour des transmissions variables en continu
JP2008222904A (ja) * 2007-03-14 2008-09-25 Idemitsu Kosan Co Ltd 無段変速機用潤滑油組成物
US8778855B2 (en) 2007-03-14 2014-07-15 Idemitsu Kosan Co., Ltd. Lubricating oil composition for continuously variable transmissions
JP2007211250A (ja) * 2007-04-05 2007-08-23 Tonengeneral Sekiyu Kk 無段変速機用潤滑油組成物
WO2009063752A1 (fr) * 2007-11-16 2009-05-22 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante
WO2014003162A1 (fr) * 2012-06-29 2014-01-03 出光興産株式会社 Composition lubrifiante
JP2014009315A (ja) * 2012-06-29 2014-01-20 Idemitsu Kosan Co Ltd 潤滑油組成物
EP2868740A4 (fr) * 2012-06-29 2016-01-06 Idemitsu Kosan Co Composition lubrifiante
WO2015146985A1 (fr) * 2014-03-24 2015-10-01 Ｊｘ日鉱日石エネルギー株式会社 Composition d'agent de protection de surface, structure de connexion électrique l'utilisant, et procédé de fabrication de structure de connexion électrique
WO2016199567A1 (fr) * 2015-06-11 2016-12-15 株式会社オートネットワーク技術研究所 Composition de revêtement de surface métallique et fil électrique recouvert pourvu d'une borne
US10174207B2 (en) 2015-06-11 2019-01-08 Autonetworks Technologies, Ltd. Metal surface coating composition and terminal fitted electric wire
JP2018115279A (ja) * 2017-01-19 2018-07-26 シチズン時計株式会社 時計バンド用潤滑処理剤、時計バンド、時計および時計の製造方法
CN113025407A (zh) * 2021-01-25 2021-06-25 广州科卢斯流体科技有限公司 一种智能交通控制系统用的传动油

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DE69915804T2 (de) 2004-08-26
EP1055722A1 (fr) 2000-11-29

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