CN102471722A - Grease composition for constant velocity joints and grease composition - Google Patents
Grease composition for constant velocity joints and grease composition Download PDFInfo
- Publication number
- CN102471722A CN102471722A CN2010800347835A CN201080034783A CN102471722A CN 102471722 A CN102471722 A CN 102471722A CN 2010800347835 A CN2010800347835 A CN 2010800347835A CN 201080034783 A CN201080034783 A CN 201080034783A CN 102471722 A CN102471722 A CN 102471722A
- Authority
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- China
- Prior art keywords
- grease composition
- constant
- quality
- composition
- palm
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 82
- 239000004519 grease Substances 0.000 title claims abstract description 65
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims abstract description 23
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002199 base oil Substances 0.000 claims abstract description 16
- 239000011701 zinc Substances 0.000 claims abstract description 15
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 15
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011733 molybdenum Substances 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 12
- 239000005069 Extreme pressure additive Substances 0.000 claims abstract description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 9
- 230000008719 thickening Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 claims description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 13
- 239000011630 iodine Substances 0.000 claims description 13
- 229910052740 iodine Inorganic materials 0.000 claims description 13
- 230000000630 rising effect Effects 0.000 claims description 13
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 13
- 238000005987 sulfurization reaction Methods 0.000 claims description 12
- RZRNAYUHWVFMIP-GDCKJWNLSA-N 3-oleoyl-sn-glycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-GDCKJWNLSA-N 0.000 claims description 10
- 239000000263 2,3-dihydroxypropyl (Z)-octadec-9-enoate Substances 0.000 claims description 8
- RZRNAYUHWVFMIP-UHFFFAOYSA-N monoelaidin Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 abstract description 15
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 abstract description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 abstract description 2
- XMKLTEGSALONPH-UHFFFAOYSA-N 1,2,4,5-tetrazinane-3,6-dione Chemical compound O=C1NNC(=O)NN1 XMKLTEGSALONPH-UHFFFAOYSA-N 0.000 abstract 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 abstract 1
- RZRNAYUHWVFMIP-HXUWFJFHSA-N glycerol monolinoleate Natural products CCCCCCCCC=CCCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-HXUWFJFHSA-N 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- -1 zinc sulfonate salt Chemical class 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 15
- 159000000007 calcium salts Chemical class 0.000 description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 241000158728 Meliaceae Species 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 241000863032 Trieres Species 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 1
- JLXZUJVQGWMEOK-UHFFFAOYSA-N 2,3-di(nonyl)naphthalene-1-sulfonic acid;zinc Chemical compound [Zn].C1=CC=C2C(S(O)(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1 JLXZUJVQGWMEOK-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 240000003133 Elaeis guineensis Species 0.000 description 1
- 235000001950 Elaeis guineensis Nutrition 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- VBIGULIJWJPALH-UHFFFAOYSA-L calcium;2-carboxyphenolate Chemical compound [Ca+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O VBIGULIJWJPALH-UHFFFAOYSA-L 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- CJMZLCRLBNZJQR-UHFFFAOYSA-N ethyl 2-amino-4-(4-fluorophenyl)thiophene-3-carboxylate Chemical compound CCOC(=O)C1=C(N)SC=C1C1=CC=C(F)C=C1 CJMZLCRLBNZJQR-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- KHYKFSXXGRUKRE-UHFFFAOYSA-J molybdenum(4+) tetracarbamodithioate Chemical compound C(N)([S-])=S.[Mo+4].C(N)([S-])=S.C(N)([S-])=S.C(N)([S-])=S KHYKFSXXGRUKRE-UHFFFAOYSA-J 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
-
- 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
- C10M115/00—Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof
- C10M115/08—Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
-
- 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
-
- 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
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
-
- 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
- C10M2207/40—Fatty vegetable or animal oils
-
- 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
- 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
- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/76—Reduction of noise, shudder, or vibrations
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention provides a grease composition for constant velocity joints, which contains the following components: a base oil, (b) a diurea thickener, (c) at least 1 oily agent selected from the group consisting of palm olein, palm stearin and glycerol monooleate, (d) a sulfurized molybdenum dialkyldithiocarbamate represented by the following formula, (R)3R4N-CS-S)2-Mo2OmSn(in the formula, R3And R4Independently represent an alkyl group having 1 to 24 carbon atoms, m is 0 to 3, n is 4 to 1, m + n is 4, a zinc sulfonate salt, and (f) a sulfur-phosphorus extreme pressure additive. The grease composition for constant velocity joints of the present invention can efficiently lubricate constant velocity joints, reduce wear, and prevent vibration.
Description
Technical field
The present invention relates to be used for the grease composition of constant velocity cardan joint (CVJ) and the constant velocity cardan joint of enclosing it.Partly produce high contact pressure at lubricated constant velocity cardan joint, shank will bear complicated upset sliding action.Therefore, abnormal vibrations often takes place.The present invention relates to a kind ofly can more effectively lubricate such constant velocity cardan joint, reduce the grease composition for constant-velocity joint that friction prevents to vibrate generation effectively.
Background technology
As the lubricating grease that in such constant velocity cardan joint, uses; For example can enumerate with the railway grease of the compound base of calcium as thickening material, or contain with the lithium base as thickening material and the sulphur-phosphorus that for example is selected from the group of forming by sulfuration grease, Tritolyl Phosphate and zinc dithiophosphate be the railway grease of extreme pressure agent.
In nearest automotive industry, (subdue CO from environmental cure with vehicle
2) for the lightweight of purpose and guarantee that the aspect of living space sets out, having increased by 4 wheel drive vehicles (FF type) sharp, indispensable therein constant velocity cardan joint (CVJ) is widely used.In this CVJ; Concertina type constant velocity cardan joint (plunging type universal joint), particularly tripod-type constant velocity joint (TJ), double-offset constant velocity universal joint (DOJ) etc. are having under the state of certain angle; Owing to carry out complicated upset sliding motion when rotating; Produce sliding resistance at direction of principal axis, therefore, the vibration when this becomes idle running, advance and the rolling of the car body when quickening, the beat frequency sound specific speed is got off in, the perhaps vibration source of vexed sound.In order to address this problem, though also the structure of various constant velocity cardan joints (CVJ) self is improved, aspect the shared space of joint, weight and cost, its improvement is very complicated, requires vibration to lower the railway grease of excellent performance.
Therefore; Motion by contain urea be thickening material, molybdenumdisulphide and be selected from by the calcium salt of the calcium salt of the calcium salt of oxidized petroleum waves, mahogany acid, alkyl aryl sulfonate, salicylate calcium salt, phenates calcium salt, oxidized petroleum waves high alkaline calcium salt, mahogany acid high alkaline calcium salt, alkyl aryl sulfonate high alkaline calcium salt, salicylate at least a kind the grease composition for constant-velocity joint (patent documentation 1) in the group formed of the high alkaline calcium salt of high alkaline calcium salt and phenates; Perhaps except these compositions, further contain the grease composition for constant-velocity joint that the sulphur-phosphorus that does not comprise metal is extreme pressure agent and molybdenum dithiocarbamate (patent documentation 2).
In addition, also motion has that to contain base oil, allophanamide be that thickening material, molybdenumdisulphide, sulfuration molybdenum dialkyldithiocarbamacompositions, the calcium salt of mahogany acid, sulphur-phosphorus are that the constant velocity universal that is used for of extreme pressure agent and vegetative grease is saved compsn (patent documentation 3).
But grease composition for constant-velocity joint in the past, not talkative its frictional coefficient reduce effect and prevent that vibration from necessarily abundance of effect taking place.
Patent documentation 1: japanese kokai publication hei 9-194871 communique
Patent documentation 2: japanese kokai publication hei 9-324189 communique
Patent documentation 3: TOHKEMY 2006-96949 communique
Summary of the invention
Therefore; The object of the present invention is to provide a kind of grease composition for constant-velocity joint; Particularly can lubricate constant velocity cardan joint effectively, reduce friction effectively and prevent to vibrate the grease composition for constant-velocity joint of generation, and the constant velocity cardan joint of enclosing it.
The means of dealing with problems
Present inventors for the friction that reduces constant velocity cardan joint, prevent that the grease composition that vibrates from having carried out various development researches; The SRV trier that use is known as vibration friction wear trier has carried out capability of lubricating grease evaluation easy to use under the lubricating condition that vibration takes place easily.Its result has found as the vibration that plays vibration source of constant velocity cardan joint with the frictional coefficient under the certain vibration condition of SRV trier mensuration special relation is arranged.Further present inventors are railway grease through in basic lubricating grease, using urea, and oiliness improver and various extreme pressure agents etc. is carried out various combinations, have inquired into above-mentioned relation.At least a kind oiliness improver, sulfuration molybdenum dialkyldithiocarbamacompositions, zinc sulfonate and sulphur-phosphorus that it is thickening material that its result has found to contain base oil, urea, be selected from the group of being made up of palm olein, palm stearines and glyceryl monooleate are the grease composition of extreme pressure agent; Show the desirable lubricating property of low-friction coefficient; Further; Even in the power of enforcement test of the use constant velocity cardan joint of reality; Also different with the railway grease that is used for constant velocity cardan joint in the past, confirm and can prevent the generation vibrated significantly, thereby accomplished the present invention.
The present invention is based on above-mentioned opinion and the invention accomplished, the constant velocity cardan joint that following grease composition for constant-velocity joint is provided and encloses it.
1. grease composition for constant-velocity joint is characterized in that, contains following compositions:
(a) base oil,
(b) allophanamide be thickening material,
(c) be selected from least a kind of oiliness improver in the group of forming by palm olein, palm stearines and glyceryl monooleate,
(d) the sulfuration molybdenum dialkyldithiocarbamacompositions represented of following formula,
(R
3R
4N-CS-S)
2-Mo
2O
mS
n
(in the formula, R
3And R
4Represent independently that carbonatoms is that 1～24 alkyl, m are 0～3, n is 4～1, m+n=4),
(e) zinc sulfonate and
(f) sulphur-phosphorus is extreme-pressure additive.
2. according to above-mentioned 1 described grease composition for constant-velocity joint, wherein, allophanamide is that thickening material is to be thickening material with the allophanamide that following formula is represented.
R
1-NH-CO-NH-C
6H
4-p-CH
2-C
6H
4-p-NH-CO-NHR
2
(R
1And R
2Be the alkyl of carbonatoms 8～18 independently)
3. according to above-mentioned 1 described grease composition for constant-velocity joint, wherein, the iodine number of palm olein is 56～72, and the rising fusing point is below 24 ℃.
4. according to above-mentioned 1 described grease composition for constant-velocity joint, wherein, the iodine number of palm stearines is below 48, and the rising fusing point is more than 44 ℃.
5. according to above-mentioned 1 or 2 described grease composition for constant-velocity joint, wherein, each components contents is in whole compsn:
(a) base oil 49.0～98.65 quality %,
(b) allophanamide be thickening material 1.0～25.0 quality %,
(c) oiliness improver 0.1～5.0 quality %,
(d) sulfuration molybdenum dialkyldithiocarbamacompositions 0.1～5.0 quality %,
(e) zinc sulfonate 0.1～15.0 quality % and
(f) sulphur-phosphorus is extreme-pressure additive 0.05～1.0 quality %.
6. according to above-mentioned 1～5 each described grease composition for constant-velocity joint, it is used for the concertina type constant velocity cardan joint.
7. constant velocity cardan joint is characterized in that, enclosing has above-mentioned 1～6 each described grease composition for constant-velocity joint.
The effect of invention
Grease composition for constant-velocity joint of the present invention can lubricate constant velocity cardan joint effectively, reduces friction effectively, prevents the generation of vibrating significantly.In addition, compare, peel off on (flaking) characteristic excellent at anti-joint with grease composition for constant-velocity joint in the past.
Embodiment
Below, grease composition for constant-velocity joint of the present invention is described particularly.
Grease composition of the present invention contains following compositions (a) and (b), (c), (d), (e) and (f).
(a) base oil,
(b) allophanamide be thickening material,
(c) be selected from least a kind of oiliness improver in the group of forming by palm olein, palm stearines and glyceryl monooleate,
(d) the sulfuration molybdenum dialkyldithiocarbamacompositions represented of following formula,
(R
3R
4N-CS-S)
2-Mo
2O
mS
n
(in the formula, R
3And R
4Represent independently that carbonatoms is that 1～24 alkyl, m are 0～3, n is 4～1, m+n=4),
(e) zinc sulfonate and
(f) sulphur-phosphorus is extreme pressure agent.
Can enumerate MO, ether as the base oil of above-mentioned (a) composition is that synthetic oil, ester are the synthetic normally used lubricating oil of wet goods of synthetic oil and hydrocarbon system, or these mixing oil, but is not limited in these.From the cost aspect, preferably use MO, in addition, preferably use to be principal constituent with MO, be mixed with the base oil of synthetic oil therein.
100 ℃ kinematic viscosity of above-mentioned base oil is preferably 5～30mm
2/ s, more preferably 7～20mm
2/ s.If less than 5mm
2/ s has in constant velocity cardan joint (CVJ), not form oil film and the high speed weather resistance inadequate tendency that becomes, if surpass 30mm
2/ s, since the heating in the CVJ, the tendency that has the high speed weather resistance to reduce.
Can use the allophanamide of all above-mentioned (b) compositions is thickening material.Preferably enumerate with following formula is the thickening material of representative.
R
1-NH-CO-NH-C
6H
4-p-CH
2-C
6H
4-p-NH-CO-NHR
2
(R
1And R
2Be the alkyl of carbonatoms 8～18 independently)
The alkylamine that above-mentioned allophanamide is a thickening material through '-diphenylmethane diisocyanate and the carbonatoms 8～18 as octylame, amino dodecane, cetylamine, stearylamine etc. obtains.Method for the reaction of above-mentioned vulcabond and amine has no particular limits, and can implement through known method in the past.
The oiliness improver of above-mentioned (c) composition is at least a kind that is selected from the group that palm olein, palm stearines and glyceryl monooleate form.Preferred especially palm olein, palm stearines.Palm olein (palm olein) and palm stearines (palm stearin) generally are the grease that squeezes from oil palm pulp (fat content 16～20%) and obtain is carried out classification and to be divided into the palm fractionated oil of the lubricant component that has necessary proterties, are effective to lubrication.
The palm olein in low melting point zone and the palm stearines in high melting point zone are arranged in the palm fractionated oil.In the JAS standard, the acid number of palm olein is below 0.20, and moisture impurity is below 0.1%; Iodine number is 56～72, the rising fusing point be 24 ℃ with inferior, the acid number of palm stearines is below 0.20; Moisture impurity is below 0.1%, and iodine number is below 48, the rising fusing point be 44 ℃ with first-class.In addition, palm olein is limpid oil at 40 ℃, and palm stearines is limpid oil at 60 ℃.
In the grease composition of the present invention the preferred iodine number of employed palm olein be 56～72 and the rising fusing point be below 24 ℃; Further preferred iodine number be 60～72 and the rising fusing point be below 20 ℃, more preferably iodine number be 65～70 and the rising fusing point be the palm olein below 13 ℃.
The preferred iodine number of employed palm stearines is below 48 and the rising fusing point is more than 44 ℃ in the grease composition of the present invention, further preferred iodine number be 22～48 and the rising fusing point be 44～56 ℃ palm stearines.
The sulfuration molybdenum dialkyldithiocarbamacompositions of above-mentioned (d) composition for representing with following formula.
(R
3R
4N-CS-S)
2-Mo
2O
mS
n
(in the formula, R
3And R
4Represent independently that carbonatoms is that 1～24 alkyl, m are 0～3, n is 4～1, m+n=4)
R
3And R
4Be carbonatoms 1～24 independently, preferred carbonatoms is 2～18 alkyl.
The base number of the zinc sulfonate of above-mentioned (e) composition is preferably below the 50mgKOH/g, further is preferably below the 40mgKOH/g, and for example can enumerate base number is the zinc salt of the dinonylnaphthalene sulfonic acid below the 50mgKOH/g.These zinc salts are through as the metal that in the lubricating oil of machine oil etc., uses being detergent-dispersant additive or rust-preventive agent and the sulfonation of aromatic hydrocarbons composition that known, in the lubricating oil distillate obtains.
Sulphur-phosphorus as above-mentioned (f) composition is that extreme pressure agent is preferably; Sulphur-phosphorus of sulphur composition 15～35 weight % and phosphorus composition 0.5～3 quality % is extreme pressure agent; Through the ratio of adjustment sulphur composition and phosphorus composition, can bring into play excellent abrasion and prevent that performance or molten applying from preventing performance.If the sulphur composition is more than above-mentioned scope, the joint easily corrosion that becomes, if phosphorus composition is more than above-mentioned scope, the abrasion that are difficult to obtain joint that become prevent effect.In addition, the both than above-mentioned scope after a little while, the abrasion that are difficult to give full play to as purpose that become prevent that performance or molten applying from preventing performance.
In grease composition for constant-velocity joint of the present invention; All-mass with respect to grease composition for constant-velocity joint; (a) the base oil content of composition is preferably 49.0～98.65 quality %; (b) allophanamide of composition is that the content of thickening material is preferably 1.0～25.0 quality %, further is preferably 5.0～15.0 quality %; (c) content that is selected from least a kind of oiliness improver in the group that palm olein, palm stearines and glyceryl monooleate form is preferably 0.1～5.0 quality %, further is preferably 0.5～5.0 quality %; (d) content of the sulfuration molybdenum dialkyldithiocarbamacompositions of composition is preferably 0.1～5.0 quality %, further is preferably 0.5～5.0 quality %; (e) content of the zinc sulfonate of composition is preferably 0.1～15.0 quality %, further is preferably 1.0～13.0 quality %, and the sulphur-phosphorus of composition (f) is that the content of extreme pressure agent is preferably 0.05～1.0 quality %, further is preferably 0.1～1.0 quality %.
Above-mentioned (b) if the allophanamide of composition be the content of thickening material less than 1.0 quality %, thickening effectiveness is little, is difficult to be lubricated fatization; If surpass 25.0 quality %, because resultant composition becomes really up to the mark, having becomes can not get the situation of desired effect; Therefore, be preferably in the above-mentioned scope.
Above-mentioned (c) becomes difficulty if the content of the oiliness improver of composition, obtains desired effect less than 0.1 quality %, surpasses 5.0 quality % even contain, and effect does not increase yet sometimes, therefore, is preferably in the above-mentioned scope.
Above-mentioned (d) becomes difficulty if the content of the sulfuration molybdenum dialkyldithiocarbamacompositions of composition, obtains desired effect less than 0.1 quality %, surpasses 5.0 quality % even contain, and effect does not increase yet sometimes, therefore, is preferably in the above-mentioned scope.
Above-mentioned (e) becomes difficulty if the content of the sulfonic acid zinc of composition, obtains desired effect less than 0.1 quality %, surpasses 15.0 quality % even contain, and effect does not increase yet sometimes, therefore, is preferably in the above-mentioned scope.
Above-mentioned (f) if the sulphur-phosphorus of composition be the content of extreme pressure agent less than 0.05 quality %, obtain desired effect and become difficulty, surpass 1.0 quality % even contain, effect does not increase yet sometimes, therefore, is preferably in the above-mentioned scope.
In grease composition for constant-velocity joint of the present invention,, can also further be added on the oxidation inhibitor, rust-preventive agent, the polymeric additive that use in various lubricating oil or the railway grease except above-mentioned (a)～(f) the composition.In addition, can add extreme pressure agent except that mentioned component, additives such as friction negative catalyst, abrasion performance agent and solid lubricant.When adding above-mentioned additive, its content is preferably 0.1～10.0 quality % in the total mass of grease composition for constant-velocity joint.
Embodiment
Below, through embodiment the present invention is described in further detail.In addition, scope of the present invention is not limited among the related embodiment.
Embodiment 1
Base oil 440g and the ditane-4 of in container, packing into, 4 '-vulcabond 58.9g is with mixture heating up to 70～80 ℃.In another container, pack into base oil 440g and octylame 61.1g, be heated to 70～80 ℃ after, the container before adding fully stirs on one side, Yi Bian it was reacted 30 minutes.Stir on one side thereafter, Yi Bian be warming up to 160 ℃, put cold after, obtain basic fatty amine allophanamide railway grease.In this basic lubricating grease, add additive with the proportioning shown in the table 1, add suitable base oil, the mixture that obtains is modulated into denseness in three-roll grinder be the No.1 level.
As grease base oil, use MO with following characteristic.
40 ℃ of 157mm of viscosity
2/ s
100℃ 14mm
2/s
Viscosity index 88
In table 1 and table 2, show embodiment 1～13, shown comparative example 1～24 in table 3～table 5.
In not being added on embodiment 1～13, composition (c), composition (d), composition (e), composition (f) certain, likewise modulated the railway grease of comparative example 1～23.
Comparative example 24 is for containing the urea grease of commercially available MoDTC.
In addition, each composition such as the following stated shown in the table, the numeral quality % in the table.
MoDTC (sulfuration molybdenum dialkyldithiocarbamacompositions): trade(brand)name SAKURA-LUBE 600 (Xu Dianhuagongyeshe system)
Palm olein: palm olein 100%, iodine number 66～70, rising fusing point are below 13 ℃
Palm stearines: palm stearines 100%, iodine number 22～48, rising fusing point are 44～56 ℃
Zinc sulfonate: dinonylnaphthalene sulfonic acid zinc (below the base number 50mgKOH/g)
Sulphur-phosphorus is extreme-pressure additive: trade(brand)name: Lu Borun 810 (Japanese Lubrizol Corp. system)
For above-mentioned grease composition for constant-velocity joint, carried out evaluation of physical property with the TP shown in following.
The SRV test
Testing plate ball: diameter 17.5mm (SUJ2)
Plate: diameter 24mm * 7.85mm (SUJ2)
Test conditions bears a heavy burden: 200N
Frequency number: 50Hz
Amplitude: 0.8mm
Time: 10 minutes
Test temperature: 40 ℃
Mensuration project frictional coefficient (μ)
The power of enforcement test
Under following condition, carry out the power of enforcement test of actual joint, measure power of enforcement.
Test conditions rotates number: 200rpm
Moment of torsion: 500Nm
Joint angle: 10 °
Runtime: 2 minutes
Joint categories: tripod-type constant velocity joint
The mensuration project is measured the joint power of enforcement, estimates as the gradient (%) of benchmark with commercially available urea grease.
Table 1
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Aliphatics urea groups body railway grease | 90.3 | 90.3 | 93.3 | 93.3 | 78.9 | 78.9 | 90.3 | 93.3 |
| Palm olein | 1.0 | 0.5 | 4.0 | |||||
| Palm stearines | 1.0 | 0.5 | 4.0 | |||||
| Glyceryl monooleate | 1.0 | 0.5 | ||||||
| MoDTC | 3.0 | 3.0 | 1.0 | 1.0 | 4.0 | 4.0 | 3.0 | 1.0 |
| Zinc sulfonate | 5.5 | 5.5 | 4.5 | 4.5 | 13.0 | 13.0 | 5.5 | 4.5 |
| Sulphur-phosphorus is extreme-pressure additive | 0.2 | 0.2 | 0.7 | 0.7 | 0.1 | 0.1 | 0.2 | 0.7 |
| SRV(μ) | 0.03 | 0.02 | 0.03 | 0.03 | 0.03 | 0.02 | 0.03 | 0.03 |
| Power of enforcement reduces ratio | -25 | -28 | -24 | -24 | -27 | -30 | -26 | -25 |
Table 2
| Embodiment | 9 | 10 | 11 | 12 | 13 |
| Aliphatics urea groups body railway grease | 78.9 | 84.5 | 88.8 | 84.5 | 88.8 |
| Palm olein | 2.5 | 2.5 | |||
| Palm stearines | 2.5 | 2.5 | 2.5 | ||
| Glyceryl monooleate | 4.0 | 2.5 | 2.5 | 2.5 | |
| MoDTC | 4.0 | 2.5 | 1.0 | 2.5 | 1.0 |
| Zinc sulfonate | 13.0 | 7.5 | 4.5 | 7.5 | 4.5 |
| Sulphur-phosphorus is extreme-pressure additive | 0.1 | 0.5 | 0.7 | 0.5 | 0.7 |
| SRV(μ) | 0.04 | 0.02 | 0.03 | 0.03 | 0.03 |
| Power of enforcement reduces ratio | -24 | -31 | -27 | -26 | -24 |
Table 3
| Comparative example | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Aliphatics urea groups body railway grease | 91.3 | 93.3 | 95.8 | 90.5 | 93.3 | 95.8 | 90.5 | 93.3 |
| Palm olein | 1.0 | 1.0 | 1.0 | |||||
| Palm stearines | 1.0 | 1.0 | 1.0 | |||||
| Glyceryl monooleate | 1.0 | |||||||
| MoDTC | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |||
| Zinc sulfonate | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | ||
| Sulphur-phosphorus is extreme-pressure additive | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | ||
| SRV(μ) | 0.08 | 0.12 | 0.09 | 0.09 | 0.13 | 0.09 | 0.08 | 0.13 |
| Power of enforcement reduces ratio | -3 | +1 | -4 | -4 | +1 | -2 | -4 | +3 |
Table 4
| Comparative example | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Aliphatics urea groups body railway grease | 95.8 | 90.5 | 91.3 | 88.8 | 91.8 | 87.0 | 88.8 | 91.8 |
| Palm olein | 2.5 | 2.5 | 2.5 | |||||
| Palm stearines | 2.5 | 2.5 | ||||||
| Glyceryl monooleate | 1.0 | 1.0 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | |
| MoDTC | 3.0 | 3.0 | 2.5 | 2.5 | 2.5 | 2.5 | ||
| Zinc sulfonate | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | |||
| Sulphur-phosphorus is extreme-pressure additive | 0.2 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | ||
| SRV(μ) | 0.08 | 0.08 | 0.09 | 0.13 | 0.09 | 0.09 | 0.14 | 0.08 |
| Power of enforcement reduces ratio | -3 | -4 | -4 | - | - | - | - | - |
Table 5
Can know; The grease composition that contains the embodiments of the invention 1～13 of composition (c)～(f) is compared with the grease composition of the comparative example 1～20 of any composition that does not contain composition (c)～(f) and the commercially available article of comparative example 21, has shown that significant frictional coefficient reduces effect and prevents effect with vibration.
Claims (7)
1. grease composition for constant-velocity joint is characterized in that, contains following compositions:
(a) base oil,
(b) allophanamide be thickening material,
(c) be selected from least a kind of oiliness improver in the group of forming by palm olein, palm stearines and glyceryl monooleate,
(d) the sulfuration molybdenum dialkyldithiocarbamacompositions represented of following formula,
(R
3R
4N-CS-S)
2-Mo
2O
mS
n
In the formula, R
3And R
4Represent independently that carbonatoms is that 1～24 alkyl, m are 0～3, n is 4～1, m+n=4,
(e) zinc sulfonate and
(f) sulphur-phosphorus is extreme-pressure additive.
2. grease composition for constant-velocity joint according to claim 1, wherein, allophanamide is that thickening material is that the allophanamide that following formula is represented is a thickening material,
R
1-NH-CO-NH-C
6H
4-p-CH
2-C
6H
4-p-NH-CO-NHR
2
R
1And R
2Be the alkyl of carbonatoms 8～18 independently.
3. grease composition for constant-velocity joint according to claim 1, wherein, the iodine number of palm olein is 56～72, and the rising fusing point is below 24 ℃.
4. grease composition for constant-velocity joint according to claim 1, wherein, the iodine number of palm stearines is below 48, and the rising fusing point is more than 44 ℃.
5. grease composition for constant-velocity joint according to claim 1 and 2, wherein, each components contents is in whole compsn:
(a) base oil 49.0～98.65 quality %,
(b) allophanamide be thickening material 1.0～25.0 quality %,
(c) oiliness improver 0.1～5.0 quality %,
(d) sulfuration molybdenum dialkyldithiocarbamacompositions 0.1～5.0 quality %,
(e) zinc sulfonate 0.1～15.0 quality % and
(f) sulphur-phosphorus is extreme-pressure additive 0.05～1.0 quality %.
6. according to each described grease composition for constant-velocity joint of claim 1～5, it is used for the concertina type constant velocity cardan joint.
7. constant velocity cardan joint is characterized in that, encloses requirement 1～6 each the described grease composition for constant-velocity joint of having the right.
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|---|---|---|---|
| JP2009184663A JP5028701B2 (en) | 2009-08-07 | 2009-08-07 | Grease composition for constant velocity joint and constant velocity joint |
| JP2009-184663 | 2009-08-07 | ||
| PCT/JP2010/063453 WO2011016580A1 (en) | 2009-08-07 | 2010-08-09 | Grease composition for constant velocity joints, and constant velocity joint |
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|---|---|
| JP (1) | JP5028701B2 (en) |
| KR (1) | KR20120028976A (en) |
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| CN107532103A (en) * | 2015-03-31 | 2018-01-02 | Gkn动力传动系统国际有限责任公司 | Grease composition for constant velocity universal joint |
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| CN104822811B (en) * | 2012-10-05 | 2019-03-01 | 协同油脂株式会社 | Lubricant composition |
| JP6601606B2 (en) * | 2014-12-18 | 2019-11-06 | 協同油脂株式会社 | Grease composition |
| KR20230110495A (en) | 2020-11-26 | 2023-07-24 | 교도유시 가부시끼가이샤 | Grease composition for constant velocity joints |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061205A (en) * | 2004-11-08 | 2007-10-24 | Thk株式会社 | Grease composition conforming to vibration and guide device employing the same |
| CN101065592A (en) * | 2004-11-25 | 2007-10-31 | 本田技研工业株式会社 | Constant velocity joint |
| JP2008297447A (en) * | 2007-05-31 | 2008-12-11 | Adeka Corp | Lubricant and grease base oil |
| JP2009503194A (en) * | 2005-07-25 | 2009-01-29 | シー．エム．インテレクチュアル プロパティー アンド リサーチ，インコーポレーテッド | Fuel and lubricant additives and methods for improving fuel economy and vehicle emissions |
| JP2009114354A (en) * | 2007-11-07 | 2009-05-28 | Kyodo Yushi Co Ltd | Grease composition |
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2009
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2010
- 2010-08-09 CN CN2010800347835A patent/CN102471722A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061205A (en) * | 2004-11-08 | 2007-10-24 | Thk株式会社 | Grease composition conforming to vibration and guide device employing the same |
| CN101065592A (en) * | 2004-11-25 | 2007-10-31 | 本田技研工业株式会社 | Constant velocity joint |
| JP2009503194A (en) * | 2005-07-25 | 2009-01-29 | シー．エム．インテレクチュアル プロパティー アンド リサーチ，インコーポレーテッド | Fuel and lubricant additives and methods for improving fuel economy and vehicle emissions |
| JP2008297447A (en) * | 2007-05-31 | 2008-12-11 | Adeka Corp | Lubricant and grease base oil |
| JP2009114354A (en) * | 2007-11-07 | 2009-05-28 | Kyodo Yushi Co Ltd | Grease composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532103A (en) * | 2015-03-31 | 2018-01-02 | Gkn动力传动系统国际有限责任公司 | Grease composition for constant velocity universal joint |
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| WO2011016580A1 (en) | 2011-02-10 |
| JP2011037950A (en) | 2011-02-24 |
| KR20120028976A (en) | 2012-03-23 |
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