US20090176671A1 - Grease Composition For Constant Velocity Joints - Google Patents

Grease Composition For Constant Velocity Joints Download PDF

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Publication number
US20090176671A1
US20090176671A1 US12/296,816 US29681607A US2009176671A1 US 20090176671 A1 US20090176671 A1 US 20090176671A1 US 29681607 A US29681607 A US 29681607A US 2009176671 A1 US2009176671 A1 US 2009176671A1
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US
United States
Prior art keywords
group
grease
constant velocity
molybdenum
velocity joints
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.)
Abandoned
Application number
US12/296,816
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English (en)
Inventor
Takahiro Ozaki
Kouichi Numazawa
Shinichi Takabe
Takaaki Shibata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell USA Inc
Original Assignee
NTN Corp
Showa Shell Sekiyu KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NTN Corp, Showa Shell Sekiyu KK filed Critical NTN Corp
Assigned to SHOWA SHELL SEKIYU K.K., NTN CORPORATION reassignment SHOWA SHELL SEKIYU K.K. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHIBATA, TAKAAKI, TAKABE, SHINICHI, NUMAZAWA, KOUICHI, OZAKI, TAKAHIRO
Publication of US20090176671A1 publication Critical patent/US20090176671A1/en
Assigned to SHELL OIL COMPANY reassignment SHELL OIL COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NTN CORPORATION, SHOWA SHELL SEKIYU K.K.
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • 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
    • 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
    • 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
    • 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
    • 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
    • C10M169/06—Mixtures of thickeners 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/10—Amides of carbonic or haloformic acids
    • C10M2215/102—Ureas; Semicarbazides; Allophanates
    • C10M2215/1026—Ureas; Semicarbazides; Allophanates used as thickening 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
    • C10M2215/226—Morpholines
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/045—Polyureas; Polyurethanes
    • C10M2217/0456—Polyureas; Polyurethanes used as thickening agents
    • 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
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066—Thiocarbamic type compounds
    • C10M2219/068—Thiocarbamate metal salts
    • 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
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • 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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/12—Groups 6 or 16
    • 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
    • C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/06—Lubrication details not provided for in group F16D13/74

Definitions

  • the present invention relates to a grease composition for constant velocity joints suitable for use at the lubrication points of constant velocity joints in automobiles.
  • lithium soap greases which contain molybdenum disulphide and extreme-pressure lithium soap greases which contain sulphur-phosphorus type additives have been used as greases for constant velocity joints.
  • low-wear and temperature-resistant greases for high-temperature use in which urea compounds or lithium complex soaps are used as the thickener and where organomolybdenum compounds are added have since become commonly used.
  • the present invention provides a grease for use in constant velocity joints which improves on the aforementioned greases, which reduces wear in constant velocity joints, which inhibits the flaking due to metal fatigue and which further has excellent durability.
  • durability tests were carried out by adding various additives to a low-wear urea grease in which (A) a molybdenum dialkyldithiocarbamate and (B) a molybdenum dithiophosphate were used together, and by using wear-resistance tests by means of an SRV test rig and actual constant velocity joints. Flaking-resistance performance was evaluated, and as a result perfection of the present invention was achieved.
  • the present invention provides a grease for use in constant velocity joints which incorporates in a urea grease (A) a molybdenum dialkyldithiocarbamate as represented by the undermentioned formula I, (B) a molybdenum dithiophosphate as represented by the undermentioned formula II, (C) 2-(4-morpholinyldithio)benzothiazole as represented by the undermentioned formula III and (D) a calcium sulphonate.
  • A a molybdenum dialkyldithiocarbamate as represented by the undermentioned formula I
  • B a molybdenum dithiophosphate
  • C 2-(4-morpholinyldithio)benzothiazole as represented by the undermentioned formula III
  • D a calcium sulphonate.
  • R is a primary or secondary alkyl group or an aryl group
  • the blending is such that the total of the aforementioned (A) and (B) is not more than 10% by weight, (C) is not more than 3% by weight and (D) is not more than 3% by weight.
  • a grease for use in constant velocity joints is provided by further incorporating not more than 3% by weight of (E) a zinc dithiophosphate as represented by the undermentioned formula IV.
  • R′ is a primary or secondary alkyl group or an aryl group
  • the present invention provides the use of the grease composition in constant velocity joints, preferably in automobiles.
  • the urea compound adheres to the metal surfaces, iron oxide or iron sulphide is formed in the lower layer thereof, making a solid film, and so it is possible to offer a grease for use in constant velocity joints which reduces wear in the constant velocity joints and which also inhibits the phenomenon of flaking due to the accompanying metal fatigue, and which has excellent durability.
  • base oil of the invention it is possible to use e.g. mineral oils, plant oils and synthetic oils such as ester oils, ether oils and hydrocarbon oils, or mixtures thereof.
  • urea compounds such as monoureas, diureas, triureas and tetraureas.
  • diurea compounds obtained by reaction of diisocyanates and monoamines and tetraurea compounds obtained by reaction of diisocyanates, monoamines and diamines.
  • diisocyanates mention may be made of diphenylmethane diisocyanate, tolylene diisocyanate, bitolylene diisocyanate and naphthylene diisocyanate.
  • monoamines mention may be made of octylamine, dodecylamine, stearylamine, oleylamine, aniline, p-toluidine and cyclohexylamine.
  • diamines mention may be made of ethylenediamine, propanediamine, butanediamine and phenylenediamine.
  • the molybdenum dialkyldithiocarbamates as represented by aforementioned formula (I) and which are the aforementioned constituent (A) have alkyl groups of 1 ⁇ 24 carbons as their R, and preferably have alkyl groups of 3 ⁇ 18 carbons.
  • sulphurised molybdenum diethyldithiocarbamate sulphurised molybdenum dipropyldithiocarbamate, sulphurised molybdenum dibutyldithiocarbamate, sulphurised molybdenum dipentyldithiocarbamate, sulphurised molybdenum dihexyldithiocarbamate, sulphurised molybdenum dioctyldithiocarbamate, sulphurised molybdenum didecyldithiocarbamate, sulphurised molybdenum didodecyl dithiocarbamate, sulphurised molybdenum di(butylphenyl)dithiocarbamate, sulphurised molybdenum di(nonylphenyl)dithiocarbamate, sulphurised oxymolyb
  • molybdenum dithiophosphates as represented by aforementioned formula (II) and which are the aforementioned constituent (B) mention may be made of sulphurised molybdenum diethyldithiophosphate, sulphurised molybdenum dipropyldithiophosphate, sulphurised molybdenum dibutyldithiophosphate, sulphurised molybdenum dipentyldithiophosphate, sulphurised molybdenum dihexyldithiophosphate, sulphurised molybdenum dioctyldithiophosphate, sulphurised molybdenum didecyldithiophosphate, sulphurised molybdenum didodecyldithiophosphate, sulphurised molybdenum di(butylphenyl)dithiophosphate, sulphurised molybdenum di(n
  • the aforementioned component (C) is 2-(4-morpholinyldithio)benzothiazole as represented by the aforementioned formula (III), and it is a slightly yellow-white powder of molecular weight 284.
  • the aforementioned component (D) is an ordinary calcium sulphonate.
  • Examples are the calcium salt of petroleum sulphonic acid, the calcium salt of an alkyl aromatic sulphonic acid, the overbased calcium salt of petroleum sulphonic acid and the overbased calcium salt of an alkyl aromatic sulphonic acid. It is possible to use these singly or in mixtures.
  • This component (D) functions as a dispersant, controls wear resistance and further contributes an improvement in durability.
  • the zinc dithiophosphates as represented by the aforementioned formula (IV) and which are the aforementioned component (E) are zinc dialkyl dithiophosphates or zinc diaryldithiophosphates.
  • R′ denotes a primary or secondary alkyl group or an aryl group.
  • it may be a methyl group, ethyl group, propyl group, isopropyl group, butyl group, secondary butyl group, isobutyl group, pentyl group, 4-methylpentyl group, hexyl group, 2-ethylhexyl group, heptyl group, octyl group, nonyl group, decyl group, isodecyl group, dodecyl group, tetradecyl group, hexadecyl group, octadecyl group, eicosyl group, docosyl group, tetracosyl group, cyclopentyl group, cyclohexyl group, methylcyclohexyl group, ethylcyclohexyl group, dimethylcyclohexyl group, cyclo
  • Each of these R′ may be the same or different.
  • secondary alkyl zinc dithiophosphates mention may be made of mono or di-sec-pentyl zinc dithiophosphate and mono or di-4-methyl-2-pentyl zinc dithiophosphate.
  • aryl zinc dithiophosphates mention may be made of zinc di-para-dodecylphenol dithiophosphate, zinc diheptylphenol dithiophosphate and zinc di-para-nonylphenol dithiophosphate.
  • the amount of molybdenum dithiocarbamate which is component (A) and molybdenum dithiophosphate which is component (B) blended into the urea grease may be made such that it is not more than 10% by weight.
  • the amount of the aforementioned components (A) and (B) in the urea grease is greater than mentioned above, the effect is the same or may even be the reverse effect. Normally, an amount of 1 ⁇ 3% by weight of each of component (A) and component (B) is preferred.
  • the amount of 2-(4-morpholinyldithio)-benzothiazole which is component (C) in the grease is not more than 3% by weight. If it exceeds this, the effect is the same or may even be the reverse effect. Normally, 0.1 ⁇ 1% by weight is preferred.
  • the amount of calcium sulphonate which is component (D) in the grease may be made not more than 3% by weight. If it exceeds this, the effect is the same or may even be the reverse effect. Normally, 0.1 ⁇ 1% by weight is preferred.
  • the amount of this zinc dithiophosphate which is component (E) in the grease should be made not more than 3% by weight. If it exceeds this, the effect is the same or may even be the reverse effect. Normally, an excellent effect may be expected if it is made to be co-present preferably in the amount of 0.5 ⁇ 1% by weight.
  • the undermentioned materials were prepared in order to make the examples and comparative examples.
  • the diurea grease was obtained by reacting 295.2 g diphenylmethane-4,4′-diisocyanate and 304.8 g octylamine in 5400 g of a refined mineral oil with a kinetic viscosity at 100° C. of approximately 15 mm 2 /s and evenly dispersing the diurea compound produced.
  • the content of the diurea compound was 10% by weight.
  • the penetration of this diurea grease 25° C., 60 W) (JIS K2220) was 283.
  • the tetraurea grease was obtained by reacting 382.7 g diphenylmethane-4,4′-diisocyanate, 411.4 g octylamine and 46 g ethylenediamine in 5160 g of a refined mineral oil with a kinetic viscosity at 100° C. of approximately 15 mm 2 /s and evenly dispersing the tetraurea compound produced.
  • the content of the tetraurea compound was 14% by weight.
  • the penetration of this tetraurea grease 25° C., 60 W) (JIS K2220) was 285.
  • MoDTP (1) “Sakuralube 300” (trade name, made by Asahi Denka Kogyo Ltd.) was used.
  • MoDTP (2) “Molyvan L” (trade name, made by Vanderbilt Ltd.) was used.
  • Zinc Dithiophosphate Zinc Dithiophosphate
  • ZnDTP (1) “Lubrizol 1395” (trade name, made by Lubrizol Ltd.) was used.
  • ZnDTP (2) “Lubrizol 1371” (trade name, made by Lubrizol Ltd.) was used.
  • Calcium Sulphonate Calcium Salt of Petroleum Sulphonic Acid.
  • each material was added to the diurea grease or tetraurea grease, and after mixing and kneading in a three-roll mill and finishing to a uniform consistency, the constant velocity joint greases of Examples 1 ⁇ 10 were obtained.
  • each material was added to the diurea grease or tetraurea grease in the same way as for the aforementioned Examples, and after mixing and kneading in a three-roll mill and finishing to a uniform consistency, the constant velocity joint greases of Comparative Examples 1 ⁇ 10 were obtained.
  • Test method A Birfield-type fixed joint (BJ) and a double offset plunging-type joint (DOJ) were packed with the test specimens, and their anti-flaking performance was evaluated by means of an actual test rig.

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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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
US12/296,816 2006-05-10 2007-05-09 Grease Composition For Constant Velocity Joints Abandoned US20090176671A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006131320A JP5379343B2 (ja) 2006-05-10 2006-05-10 等速ジョイント用グリース組成物
JP2006-131320 2006-05-10
PCT/JP2007/059992 WO2007129775A1 (en) 2006-05-10 2007-05-09 Grease composition for constant velocity joints

Publications (1)

Publication Number Publication Date
US20090176671A1 true US20090176671A1 (en) 2009-07-09

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US12/296,816 Abandoned US20090176671A1 (en) 2006-05-10 2007-05-09 Grease Composition For Constant Velocity Joints

Country Status (9)

Country Link
US (1) US20090176671A1 (de)
EP (1) EP2054491A4 (de)
JP (1) JP5379343B2 (de)
KR (1) KR20090012207A (de)
CN (1) CN101432408B (de)
AU (1) AU2007246315A1 (de)
BR (1) BRPI0711343A2 (de)
MX (1) MX2008014236A (de)
WO (1) WO2007129775A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220033725A1 (en) * 2020-07-29 2022-02-03 Ecolab Usa Inc. Phosphorous-free oil soluble molybdenum complexes for high temperature naphthenic acid corrosion inhibition
US11697756B2 (en) 2019-07-29 2023-07-11 Ecolab Usa Inc. Oil soluble molybdenum complexes as high temperature fouling inhibitors
US11767596B2 (en) 2019-07-29 2023-09-26 Ecolab Usa Inc. Oil soluble molybdenum complexes for inhibiting high temperature corrosion and related applications in petroleum refineries
US11999915B2 (en) 2020-07-29 2024-06-04 Ecolab Usa Inc. Phosphorous-free oil soluble molybdenum complexes as high temperature fouling inhibitors

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008063491A (ja) * 2006-09-08 2008-03-21 Showa Shell Sekiyu Kk 潤滑グリース組成物
JP6348374B2 (ja) * 2014-08-25 2018-06-27 シェルルブリカンツジャパン株式会社 グリース組成物
ES2703349T3 (es) * 2015-03-31 2019-03-08 Gkn Driveline Int Gmbh Composición de grasa para la utilización en juntas de velocidad constante
JP6480785B2 (ja) * 2015-04-03 2019-03-13 Ntn株式会社 グリース組成物
EP4253507A4 (de) * 2020-11-26 2024-04-17 Kyodo Yushi Co., Ltd. Schmierfettzusammensetzung für gleichlaufgelenk
WO2023224006A1 (ja) * 2022-05-16 2023-11-23 協同油脂株式会社 等速ジョイント用グリース組成物及びそれを封入した等速ジョイント
KR102662782B1 (ko) 2023-06-13 2024-05-03 주식회사 라노스 하울링 방지 기능을 갖는 세라믹 식탁

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US5922645A (en) * 1994-11-26 1999-07-13 Hoechst Schering Agrevo Gmbh Alkylidenehydrazinophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulators
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EP2054491A4 (de) 2011-01-12
JP5379343B2 (ja) 2013-12-25
AU2007246315A1 (en) 2007-11-15
MX2008014236A (es) 2008-11-14
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BRPI0711343A2 (pt) 2011-08-30
CN101432408A (zh) 2009-05-13
EP2054491A1 (de) 2009-05-06

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