EP0885949A1 - Schmierfettzusammentsetzung für wartungsfreie Gelenkwellen - Google Patents
Schmierfettzusammentsetzung für wartungsfreie Gelenkwellen Download PDFInfo
- Publication number
- EP0885949A1 EP0885949A1 EP98109053A EP98109053A EP0885949A1 EP 0885949 A1 EP0885949 A1 EP 0885949A1 EP 98109053 A EP98109053 A EP 98109053A EP 98109053 A EP98109053 A EP 98109053A EP 0885949 A1 EP0885949 A1 EP 0885949A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- percent
- lubricant
- lubricant according
- amount
- 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.)
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- 239000004519 grease Substances 0.000 title claims abstract description 5
- 239000000203 mixture Substances 0.000 title claims description 19
- 230000005540 biological transmission Effects 0.000 title 1
- 239000000314 lubricant Substances 0.000 claims abstract description 53
- 239000000654 additive Substances 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 8
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 5
- 238000005260 corrosion Methods 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 5
- 230000007797 corrosion Effects 0.000 claims abstract description 4
- 239000000194 fatty acid Substances 0.000 claims abstract description 4
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 claims abstract description 4
- -1 hydroxy fatty acid Chemical class 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 229910003002 lithium salt Inorganic materials 0.000 claims description 9
- 159000000002 lithium salts Chemical class 0.000 claims description 9
- 229920005862 polyol Polymers 0.000 claims description 5
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- FSYKKLYZXJSNPZ-UHFFFAOYSA-N N-methylaminoacetic acid Natural products C[NH2+]CC([O-])=O FSYKKLYZXJSNPZ-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 108010077895 Sarcosine Proteins 0.000 claims description 2
- CXZIVLHEAFSOQK-UHFFFAOYSA-K bismuth;tricarbamodithioate Chemical compound [Bi+3].NC([S-])=S.NC([S-])=S.NC([S-])=S CXZIVLHEAFSOQK-UHFFFAOYSA-K 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000010702 perfluoropolyether Substances 0.000 claims description 2
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- 229920001083 polybutene Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229940043230 sarcosine Drugs 0.000 claims description 2
- 239000011814 protection agent Substances 0.000 claims 1
- 239000003963 antioxidant agent Substances 0.000 abstract description 5
- 239000012990 dithiocarbamate Substances 0.000 abstract description 4
- 229910052797 bismuth Inorganic materials 0.000 abstract description 3
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003112 inhibitor Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 12
- 235000019198 oils Nutrition 0.000 description 9
- 239000002253 acid Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000005078 molybdenum compound Substances 0.000 description 4
- 150000002752 molybdenum compounds Chemical class 0.000 description 4
- 239000000344 soap Substances 0.000 description 4
- 150000004867 thiadiazoles Chemical class 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 125000005456 glyceride group Chemical group 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 150000004659 dithiocarbamates Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- 150000002763 monocarboxylic acids Chemical class 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical class OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 2
- MBIZXFATKUQOOA-UHFFFAOYSA-N 1,3,4-thiadiazole Chemical compound C1=NN=CS1 MBIZXFATKUQOOA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- XYRMLECORMNZEY-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S Chemical compound [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S XYRMLECORMNZEY-UHFFFAOYSA-B 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LMODBLQHQHXPEI-UHFFFAOYSA-N dibutylcarbamothioylsulfanylmethyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SCSC(=S)N(CCCC)CCCC LMODBLQHQHXPEI-UHFFFAOYSA-N 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 150000002462 imidazolines Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 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
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
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- 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
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- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
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- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy compounds
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- C10M135/18—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
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- C10M2203/1025—Aliphatic fractions used as base material
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Definitions
- the invention relates to a lubricant for maintenance-free Cardan shafts.
- German patent application 195 30 504 is already a grease known that even at high temperatures can be used in constant velocity joints with can be produced with little effort and as a permanent solid lubricant filling to an increased lifespan of constant velocity joints leads. It contains mineral and / or as a basis synthetic oils, urea compounds as thickeners and Molybdenum sulfide as a dispersed solid lubricant as well additionally graphite, polytetrafluoroethylene and at least one organic molybdenum compound.
- organic phosphates in the lubricating oils described there Contain phosphines, phosphonates or phosphites that are suitable for the Improve the properties of the lubricant as a whole be viewed critically.
- Such lubricants are characterized by a content of inorganic molybdenum disulfide and are suitable for homokinetic constant velocity joints, but do not give good when used in universal joint shafts Services.
- a suitable basis for the lubricant according to the invention Mineral oils and / or synthetic hydrocarbon oils.
- a naphthenic solvent raffinate which by a combination of naphthenic base mineral oil with one synthetic hydrocarbon oil in a ratio of 1: 3 until 1: 5 is obtained.
- a paraffinic solvent refinate suitable which is a mixture of a paraffin base mineral oil with a synthetic hydrocarbon oil in a ratio of 1: 3 to 1: 5 and a viscosity of about 100 to 150 centistokes at 40 ° C.
- the lubricant according to the invention contains a as a thickener Lithium soap obtained from a saturated or unsaturated, aliphatic mono- or dicarboxylic acid with 10 to 24, preferably 16 to 18 carbon atoms is derived.
- a thickener Lithium soap obtained from a saturated or unsaturated, aliphatic mono- or dicarboxylic acid with 10 to 24, preferably 16 to 18 carbon atoms is derived.
- complex lithium soaps made from a mixture various fatty acids and other acids.
- the Sebacic acid or boric acid have thickeners for Lubricants have already found multiple uses because of them at higher temperatures than the simple lithium soaps can be used.
- the lithium salts of aliphatic, cycloaliphatic or aromatic mono- or dicarboxylic acids and lithium borate have proven themselves particularly well as thickeners of lubricants.
- the lithium salt is added to the base fat in an amount of 5 to 20 percent by weight based on the amount of base fat admitted.
- control oils are olefin copolymers, Polybutenes, polyol esters, polyalfaolefins, perfluoropolyethers, Polysiloxanes and hydrogenated diene-styrene copolymers are suitable. They are generally added to the base fat in an amount of 2 up to 40 percent by weight based on the total amount of Lubricant added.
- antioxidants sterically hindered phenols and Amines, for example phenyl- ⁇ -naphthylamine.
- the correct properties of the lubricant according to the invention are also achieved by being next to others Additives dithiocarbamates or dithiophosphates of molybdenum, zinc or bismuth in combination with a thiadiazole contains. Molybdenum dithiophosphate and molybdenum dithiocarbamate have proven themselves particularly well. Such molybdenum compounds together with a 1-thia-3,4-diazole or his sulfur-bridged dimers are used, then the Lubrication properties both at high temperatures as well so strong with mechanical loads in the long term improved that the lubrication of the pin sets when Manufacturer for the entire service life of the commercial vehicle is sufficient.
- an anti-corrosion agent such as N-acyl sarcosine and / or one High pressure additive such as methylene bis (dibutyl dithio carbamate) Lubricant clogged.
- an anti-corrosion agent such as N-acyl sarcosine and / or one High pressure additive such as methylene bis (dibutyl dithio carbamate) Lubricant clogged.
- the amount of added Additives in a quantity range from 2 to 10 Percent by weight, based on the total lubricant, lie.
- the lubricant according to the invention is produced so that the by reacting lithium hydroxide with a aliphatic or aromatic mono- or dicarboxylic acid Alkylsulfonic acid or the boric acid lithium salts to be dissolved or suspended in the base and part of the Additives to the control oil is added. These two mixes are then at an elevated temperature between 80 to 240 ° C. a stirring or mixing device mixed together. High pressure homogenizers have been used to manufacture the Lubricant according to the invention with a uniform and particularly homogeneous distribution of its ingredients proven. The temperature sensitive additives are just before added to the homogenization.
- This mixture is in the lubricant according to the invention in contain an amount of 53 percent by weight.
- This mixture is in the lubricant according to the invention in contain an amount of 40 percent by weight.
- This mixture is in the lubricant in an amount of 7 Weight percent included.
- This mixture is in the lubricant according to the invention in an amount of 86 percent by weight.
- This mixture is in the lubricant according to the invention in an amount of 7 percent by weight.
- This mixture is in the lubricant according to the invention in an amount of 7 percent by weight.
- Lubricants became the lubricant according to the recipe of Example 1 a lifetime failure test on universal joints subject. 8 universal joints with the invention Lubricant from example 1 and 6 universal joints with compared to a standard lubricant with the following composition:
- This mixture is in a quantity in the standard lubricant of 86 percent by weight.
- This component is 5 percent by weight in the standard lubricant contain.
- the mixture of these additives is in your standard lubricant contained in an amount of 9 percent by weight.
- the B10 value for the tested joints describes the determined service life at which 90% of the joints are not yet have failed.
- the B63.2 value describes the same determined lifespan at which 36.8% of the universal joints still have not failed.
- Fig. 1 shows the graphical representation of this experiment. It it can be seen that the running time when using the invention Lubricant is significantly higher than that of the Use of the standard lubricant, the failure-free Time must be added according to the table. This is in the Diagram listed again as t0 in the box at the bottom right.
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Lubricants (AREA)
Abstract
Description
- 1,0 Gewichtsprozent
- Arylcarbonsäure
- 1,0 Gewichtsprozent
- Alkylsulfonsäure
- 3,0 Gewichtsprozent
- aliphatische Dicarbonsäuren mit 6 bis 10 C-Atomen
- 8,0 Gewichtsprozent
- aliphatische Monocarbonsäuren mit 12 bis 22 Kohlenstoffatomen oder ihre Glyceride
- 3,0 Gewichtsprozent
- Lithiumhydroxyd
- 43,0 Gewichtsprozent
- naphthenisches Solventraffinat
- 6,0 Gewichtsprozent
- Olefincopolymeres
- 18,0 Gewichtsprozent
- Polyolester
- 76,0 Gewichtsprozent
- Poly-α-Olefine
- 0,5 Gewichtsprozent
- aminisches Antioxidans
- 0,5 Gewichtsprozent
- Carbonsäurealkanolamid
- 2,0 Gewichtsprozent
- Molybdänverbindung
- 1,0 Gewichtsprozent
- pflanzliches Öl
- 1,0 Gewichtsprozent
- Sarkosinderivat
- 2,0 Gewichtsprozent
- Thiadiazolderivat
- 2,0 Gewichtsprozent
- Borsäure
- 14,0 Gewichtsprozent
- Monocarbonsäuren mit 12 bis 22 Kohlenstoffatomen oder ihre Glyzeride
- 1,0 Gewichtsprozent
- Polycarbonsäure
- 3,0 Gewichtsprozent
- Lithiumhydroxid
- 66,0 Gewichtsprozent
- paraffinisches Solventraffinat
- 12,0 Gewichtsprozent
- Olefincopolymere
- 36,0 Gewichtsprozent
- Polyolester
- 52,0 Gewichtsprozent
- Poly-α-olefin
- 0,5 Gewichtsprozent
- aminisches Antioxidans
- 0,5 Gewichtsprozent
- Carbonsäurealkanolamid
- 2,0 Gewichtsprozent
- Molybdänverbindung
- 1,0 Gewichtsprozent
- pflanzliches Öl
- 1,0 Gewichtsprozent
- Sarkosinderivat
- 2,0 Gewichtsprozent
- Thiadiazolderivat
- 2,0 Gewichtsprozent
- Borsäure
- 14,0 Gewichtsprozent
- Monocarbonsäuren mit 12 bis 22 Kohlenstoffatomen oder ihre Glyzeride
- 1,0 Gewichtsprozent
- Polycarbonsäure
- 3,0 Gewichtsprozent
- Lithiumhydroxid
- 66,0 Gewichtsprozent
- paraffinisches Solventraffinat
- 5,0 Gewichtsprozent
- Polyolester
- 0,5 Gewichtsprozent
- aminisches Antioxidans
- 0,7 Gewichtsprozent
- Carbonsäurealkanolamid
- 1,0 Gewichtsprozent
- Imidazolinderivat
- 1,0 Gewichtsprozent
- pflanzliches Öl
- 0,5 Gewichtsprozent
- phenolisches Antioxidans
- 1,0 Gewichtsprozent
- Thiadiazolderivat
- 2,5 Gewichtsprozent
- Zinkdialkyldithiophosphat
- 1,5 Gewichtsprozent
- Zinknaphthenat
Weibull-Verteilung | ||
erfindungsgemäßer Schmierstoff | Standardschmierstoff | |
Zahl der geprüften Gelenke | 8 | 6 |
B10[h] | 868 | 316 |
B63,2[h] | 1.887 | 447 |
Korrelation | 0,95 | 0,98 |
Ausfallfreie Zeit (h) | 348 | 307 |
Claims (6)
- Schmierstoff für wartungsfreie Gelenkwellen, dadurch gekennzeichnet, daß era) ein naphthenisches oder paraffinisches Solventraffinat einzeln oder im Gemisch als Basis,b) ein Lithiumsalz einer Hydroxifettsäure mit 10 bis 24 Kohlenstoffatomen oder ein Lithiumsalz einer aliphatischen oder cycloaliphatischen Dicarbonsäure mit 2 bis 12 Kohlenstoffatomen,c) ein oder mehrere Stellöle undd) ein Molybdän-, Zink- oder Wismut-dithiocarbamat oder -dithiophosphat zusammen mit einem Thiadiazol
- Schmierstoff nach Anspruch 1, dadurch gekennzeichnet, daß er als Stellöl ein Olefincopolymeres, ein Polybuten, einen Polyolester, ein Polyalfaolefin, einen Perfluorpolyether oder ein Polysiloxan enthält.
- Schmierstoff nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß er das Stellöl in einer Menge von 2 bis 40 Gew.-%, bezogen auf die Gesamtmenge des Schmierstoffes, enthält.
- Schmierstoff nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß er das Lithiumsalz in einer Menge von 5 bis 20 Gew.-% bezogen auf die Menge des Basisfetts, enthält.
- Schmierstoff nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß er als weitere Additive aminische und/oder phenolische Antioxidantien enthält.
- Schmierstoff nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß er als weiteres Additiv N-Acyl-sarkosin als Korrosionsschutzmittel enthält.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19726127 | 1997-06-20 | ||
DE19726127 | 1997-06-20 | ||
DE19817055A DE19817055A1 (de) | 1997-06-20 | 1998-04-17 | Schmierstoff für wartungsfreie Gelenkwellen |
DE19817055 | 1998-04-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0885949A1 true EP0885949A1 (de) | 1998-12-23 |
EP0885949B1 EP0885949B1 (de) | 2000-08-09 |
Family
ID=26037601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98109053A Expired - Lifetime EP0885949B1 (de) | 1997-06-20 | 1998-05-19 | Verwendung einer Schmierfettzusammentsetzung für wartungsfreie Gelenkwellen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6541427B1 (de) |
EP (1) | EP0885949B1 (de) |
JP (1) | JPH1121579A (de) |
ES (1) | ES2152724T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2790265A1 (fr) * | 1999-02-16 | 2000-09-01 | Gkn Automotive Ag | Graisse pour joints a double cardan |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0002524D0 (en) * | 2000-02-04 | 2000-03-29 | Castrol Ltd | A process for producing organometallic dithio-compounds and the orgenometallic dithio-compounds produced therefrom |
JP4238509B2 (ja) * | 2002-02-27 | 2009-03-18 | Nokクリューバー株式会社 | グリース組成物 |
WO2005035700A1 (en) * | 2003-10-10 | 2005-04-21 | R.T. Vanderbilt Company, Inc. | Lubricating compositions containing synthetic ester base oil, molybdenum compounds and thiadiazole-based compounds |
US7763574B2 (en) * | 2003-10-10 | 2010-07-27 | R.T. Vanderbilt Company, Inc. | Lubricating compositions containing synthetic ester base oil, molybdenum compounds and thiadiazole-based compounds |
BRPI0820871B1 (pt) | 2007-12-14 | 2018-05-22 | Vanderbilt Chemicals, Llc | Composição lubrificante e aditivo para graxa |
KR101080763B1 (ko) * | 2009-09-21 | 2011-11-07 | 현대자동차주식회사 | 장수명 가솔린 엔진오일 조성물 |
KR101543039B1 (ko) * | 2009-10-26 | 2015-08-10 | 현대자동차주식회사 | 임피던스 매칭법을 이용한 인버터 커패시터 모듈의 회로 구성방법 |
CN102703168A (zh) * | 2012-06-20 | 2012-10-03 | 津滨东宝(天津)科技发展有限公司 | 一种极压抗磨添加剂组合物及其在润滑脂中的应用 |
WO2019133238A1 (en) | 2017-12-29 | 2019-07-04 | Exxonmobil Research And Engineering Company | Grease compositions for low temperatures operation |
CN110804480A (zh) * | 2018-08-06 | 2020-02-18 | 南京三佳万向节制造有限公司 | 一种万向节用润滑剂 |
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US3533943A (en) * | 1966-11-10 | 1970-10-13 | Mobil Oil Corp | Lubricant compositions |
US4897210A (en) * | 1988-07-12 | 1990-01-30 | Pennzoil Products Company | Lithium complex grease thickener and high dropping point thickened grease |
EP0592956A1 (de) * | 1992-10-13 | 1994-04-20 | The Lubrizol Corporation | Schmiermittel, Schmierfette und wässerige Flüssigkeiten, die Derivate von Dimercaptothiadiazolen als Additive enthalten |
WO1994011470A1 (en) * | 1992-11-14 | 1994-05-26 | Gkn Technology Limited | Greases |
EP0761805A2 (de) * | 1995-09-12 | 1997-03-12 | The Lubrizol Corporation | Schmierflüssigkeiten zur Verminderung des Lufteintrags und zum verbesserten Zahnradschutz |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572089B3 (fr) * | 1984-10-22 | 1987-04-10 | Raffinage Cie Francaise | Graisse au savon de lithium |
JP2576898B2 (ja) | 1989-03-04 | 1997-01-29 | 日本石油株式会社 | グリース組成物 |
US5670461A (en) | 1994-08-19 | 1997-09-23 | Gkn Automotive Ag | High temperature lubricating grease containing urea compounds |
JP3320569B2 (ja) * | 1994-10-21 | 2002-09-03 | 協同油脂株式会社 | 等速ジョイント用グリース組成物 |
JP3605827B2 (ja) | 1995-10-23 | 2004-12-22 | 日本精工株式会社 | グリース組成物 |
-
1998
- 1998-05-19 EP EP98109053A patent/EP0885949B1/de not_active Expired - Lifetime
- 1998-05-19 ES ES98109053T patent/ES2152724T3/es not_active Expired - Lifetime
- 1998-06-19 JP JP10188073A patent/JPH1121579A/ja active Pending
- 1998-06-22 US US09/102,390 patent/US6541427B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3533943A (en) * | 1966-11-10 | 1970-10-13 | Mobil Oil Corp | Lubricant compositions |
US4897210A (en) * | 1988-07-12 | 1990-01-30 | Pennzoil Products Company | Lithium complex grease thickener and high dropping point thickened grease |
EP0592956A1 (de) * | 1992-10-13 | 1994-04-20 | The Lubrizol Corporation | Schmiermittel, Schmierfette und wässerige Flüssigkeiten, die Derivate von Dimercaptothiadiazolen als Additive enthalten |
WO1994011470A1 (en) * | 1992-11-14 | 1994-05-26 | Gkn Technology Limited | Greases |
EP0761805A2 (de) * | 1995-09-12 | 1997-03-12 | The Lubrizol Corporation | Schmierflüssigkeiten zur Verminderung des Lufteintrags und zum verbesserten Zahnradschutz |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2790265A1 (fr) * | 1999-02-16 | 2000-09-01 | Gkn Automotive Ag | Graisse pour joints a double cardan |
Also Published As
Publication number | Publication date |
---|---|
ES2152724T3 (es) | 2001-02-01 |
US6541427B1 (en) | 2003-04-01 |
JPH1121579A (ja) | 1999-01-26 |
EP0885949B1 (de) | 2000-08-09 |
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