EP0639632B1 - Utilisation d'un additif pour combustibles sans plomb pour moteurs à combustion interne à allumage commandé pour réduire l'érosion du siège de soupape. - Google Patents
Utilisation d'un additif pour combustibles sans plomb pour moteurs à combustion interne à allumage commandé pour réduire l'érosion du siège de soupape. Download PDFInfo
- Publication number
- EP0639632B1 EP0639632B1 EP94890107A EP94890107A EP0639632B1 EP 0639632 B1 EP0639632 B1 EP 0639632B1 EP 94890107 A EP94890107 A EP 94890107A EP 94890107 A EP94890107 A EP 94890107A EP 0639632 B1 EP0639632 B1 EP 0639632B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mentioned
- formula
- ash
- combined
- sulphosuccinic acid
- 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.)
- Expired - Lifetime
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- 239000000654 additive Substances 0.000 title claims description 44
- 230000000996 additive effect Effects 0.000 title claims description 27
- 239000000446 fuel Substances 0.000 title abstract description 23
- 238000002485 combustion reaction Methods 0.000 title abstract description 4
- -1 alkali metal salt Chemical class 0.000 claims abstract description 36
- 239000003599 detergent Substances 0.000 claims abstract description 26
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 24
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 14
- 150000001340 alkali metals Chemical class 0.000 claims description 21
- 150000003839 salts Chemical class 0.000 claims description 12
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 239000002199 base oil Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 7
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- 150000005690 diesters Chemical class 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 239000003085 diluting agent Substances 0.000 claims description 4
- 125000004185 ester group Chemical group 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 2
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims 3
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 229920001083 polybutene Polymers 0.000 claims 1
- 239000007866 anti-wear additive Substances 0.000 abstract 1
- 239000002816 fuel additive Substances 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical class OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003350 kerosene Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 239000001384 succinic acid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001925 cycloalkenes Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 150000003443 succinic acid derivatives Chemical class 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- DWXCASGDKZBIOW-UHFFFAOYSA-N 1,4-dioctoxy-1,4-dioxobutane-2-sulfonic acid;potassium Chemical compound [K].CCCCCCCCOC(=O)CC(S(O)(=O)=O)C(=O)OCCCCCCCC DWXCASGDKZBIOW-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 206010011906 Death Diseases 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- BLSNQVPBJDBAJJ-UHFFFAOYSA-L dipotassium;2-sulfobutanedioate Chemical compound [K+].[K+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O BLSNQVPBJDBAJJ-UHFFFAOYSA-L 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
- C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
Definitions
- the invention relates to the use of an additive for unleaded Gasoline fuels to prevent or reduce Valve seat wear, which is essentially at least one Alkali metal or alkaline earth metal salt of an organic Sulfonic acid and at least one ashless detergent as well optionally contains other known additives.
- U.S. Patent 3,955,938 describes (Exxon) Compositions based on inorganic and organic sodium salts that work together with ashless Dispersants as additives in unleaded fuels to protect the valve seats.
- EP 0 288 296 (BP Chemicals) uses as an additive a fine-particle metal salt dispersion against valve seat wear, especially a dispersion of potassium borate, Sodium borate, potassium carbonate and potassium bicarbonate.
- the fuels contain to prevent or reduce wear and tear on the valves and for simultaneous reduction of corrosion phenomena alkali metal or alkaline earth metal salts of monoamides of dicarboxylic acids with 2 up to 4 carbon atoms between the carboxyl groups or of amides of tri- or tetracarboxylic acids, the amino nitrogen at least one hydrocarbon group, optionally is oxygen or amine substituted.
- these additives are said to work simultaneously through their detergent action also keep the motors clean.
- EP-A1-0 307 815 (BASF) relates to fuels, in which small amounts of copolymers of olefins and / or cycloolefins with maleic anhydride and / or copolymers of alkyl vinyl ethers and / or cycloalkyl vinyl ethers with maleic anhydride and / or copolymers of alkyl vinyl ethers and / or cycloalkyl vinyl ethers and olefins and / or contain cycloolefins with maleic anhydride are, the carboxyl groups entirely or partially under Formation of alkali metal or alkaline earth metal salts and the Rest of the carboxyl groups with alcohols and / or amines corresponding ester and / or amide groups and / or ammonium groups are implemented.
- EP 0 342 497 also describes Purpose of preventing wear and tear on the wearer Valves and the simultaneous reduction of corrosion the addition of copolymers Alkyl (meth) acrylates and / or vinyl esters from optionally monoethylenically unsaturated carboxylic acids, the All or part of the carboxyl groups of the copolymers Alkali are implemented to form the alkali metal salts and the rest of the acid groups with ammonia and / or amines to the corresponding amide groups and / or ammonium salts is implemented.
- EP-A1-0 207 560 (Shell) alkali metal and alkaline earth metal salts of hydrocarbon-substituted Succinic acid as wear protection additives described.
- hydrocarbon-substituted succinic acid derivatives are the subject of an extensive older and newer patent literature. Also the imide derivatives of these substances are used alone or in because of their dispersing action Combination with other additives used.
- EP-A-233 250 (Lubrizol) is used as an additive against the valve seat wear a combination of alkaline or compositions containing alkaline earth metals and ashless dispersants proposed.
- alkali metals Concretely, only the compositions Salts of organic alkyl aryl sulfonic acids; both Dispersants are those already mentioned, known alkenyl succinimides, which are usually at least contain about 30 aliphatic carbon atoms.
- the PCT application WO 91/07477 deals deal with the improvement of the ignition behavior of fuels and as an addition to this discloses alkali metal and alkaline earth metal salts of mono- or diesters of Sulfosuccinic acid.
- These compounds are succinic acid derivatives are in which the carboxylic acid group (s) with Hydrocarbon residues are esterified and an alpha carbon atom of succinic acid through a sulfonic acid group is substituted.
- These sulfosuccinic acid esters are in Form of alkali metal or alkaline earth metal salts.
- the aim of the present invention was now to Inexpensive wear protection additive for unleaded petrol to provide the valve seat wear on the engine output side Completely prevented and at the same time for keeping the engine clean worries.
- a neutral alkali metal and / or alkaline earth metal salt of a mono- or diester of sulfosuccinic acid of the general formula I is thus used in which R 1 and R 2 independently of one another are hydrogen or an aliphatic hydrocarbon group, with the proviso that at most one of the radicals R 1 or R 2 is hydrogen, M is an alkali metal or alkaline earth metal ion and n corresponds to the valence of M. , used in combination with an ash-free detergent as a wear protection additive to reduce or prevent valve seat closures.
- the aliphatic groups can be saturated or be unsaturated groups, optionally also substituents can wear.
- substituents are: Hydroxy, ether, ketone, phenyl or ester groups in Question that's the same on the two hydrocarbon groups or can be different.
- Mono- or diesters of sulfosuccinic acid can be used, it being possible for the carboxyl group in the ⁇ -position to the SO 3 group, the ⁇ -position carboxyl group or both carboxyl groups to be esterified with the same or different radicals.
- the salts of the diesters of sulfosuccinic acid are preferred. They have proven to be soluble in gasoline to an extent which allows the desired amount of the alkali metal or alkaline earth metal additive to be adjusted without difficulty.
- the chain length of the aliphatic hydrocarbon group in the ester radical is preferably 4 to 20 carbon atoms. Hydrocarbon radicals with a chain length of 6 to 13 carbon atoms, in particular with a chain length of about 8 carbon atoms, are particularly preferred.
- alkali metal salts of the sulfosuccinic acid esters are preferred, being for the purpose of protecting the Exhaust valves the potassium salts proved to be particularly cheap to have.
- the salts of the sulfosuccinic acid esters also work as a surfactant, what the formulation of additive packages for high demands on engine cleanliness.
- They are all different ash-free detergents, such as long-chain amide-imide compounds, long chain amines, polyethers or polyether amines suitable.
- the polybutenamines have been particularly advantageous in combination with the salts of sulfosuccinic acid esters proven.
- the detergents preferably have one average molecular weight from 2000 to 3000.
- the additives used according to the invention can also contain other known additives. Frequently e.g. Corrosion protection is desirable or necessary.
- carrier oils are also used. These either exist from mineral oil fractions or they are synthetic products, such as. Poly alpha olefins. Usually it's the detergents which are formulated as a solution in a carrier oil and therefore bring this component into the additive package. In addition, the alkali metal component can also be added a carrier oil to be easier to handle.
- Aromatic are preferred Kerosene can be used for this purpose.
- Such diluents can have viscosity limits of about 800 cP at -20 ° C are observed for European Ratios are favorable.
- the proportions of alkali metal component for detergents are preferably in the range of 1: (8-15), these details refer to detergents, which if necessary contain a carrier oil.
- additive 15 % By mass to 40% by mass, preferably 30% by mass to 40 % By mass, of an aromatic kerosene as a diluent contain.
- a fuel for gasoline engines the one according to the invention contains used additive, corresponds to the put to it Requirements if it is 0.01 milligram atom (mVal) to 2.5 milligram atom (mVal) of alkali metal per kg of fuel contains.
- the preferred range is between 0.02 mVal and 1.0 mVal, in particular between 0.07 mVal and 0.25 mVal Alkali metal per kg of fuel.
- the ranges 1 mg to 30 mg are preferred, in particular 3 mg to 10 mg of potassium per kg of fuel.
- the alkali metal component consists of a Potassium sulfosuccinic acid dioctyl ester. If this component is present without carrier oil, it contains about 8.5% by mass Potassium.
- the detergent is based on Polybutenamine.
- Carrier oil including the potassium sulfosuccinate with carrier oil can be formulated.
- the product contains an aromatic for dilution Kerosene.
- This additive is added in an amount of 1100 ml 1000 liters of fuel added, so that per kg of fuel about 4 mg of potassium are included.
- Test fuel Deposits: Gasoline (Eurosuper) without additives 350 to 700 mg / valve Gasoline (Eurosuper) + addition less than 100 mg / valve (1 g / 1000 g petrol)
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Powder Metallurgy (AREA)
- Fuel-Injection Apparatus (AREA)
- Lift Valve (AREA)
- Safety Valves (AREA)
Claims (13)
- Utilisation d'un sel neutre d'un métal alcalin et/ou d'un métal alcalino-terreux d'un mono- ou d'un diester de l'acide sulfosuccinique de formule générale (I) dans laquelle R1 et R2, indépendamment l'un de l'autre, représentent chacun un atome d'hydrogène ou un groupe hydrocarboné aliphatique, à la condition qu'au moins l'un des radicaux R1 ou R2 soit un atome d'hydrogène, M est un ion d'un métal alcalin ou alcalino-terreux, et n correspond à la valence de M, en combinaison avec au moins un détergent sans cendres, et éventuellement d'autres additifs connus, en tant qu'additif pour des essences sans plomb pour moteur à allumage commandé, pour empêcher ou réduire l'usure des sièges de soupape.
- Utilisation d'un sel d'un diester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, en combinaison avec un détergent sans cendres, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, dans lequel les groupes esters sont constitués de résidus hydrocarbonés ayant de 4 à 20 atomes de carbone, en combinaison avec un détergent sans cendres pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, dans lequel les groupes esters sont constitués de résidus hydrocarbonés ayant de 6 à 13 atomes de carbone, en combinaison avec un détergent sans cendres, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, dans lequel les groupes esters sont constitués de résidus hydrocarbonés ayant 8 atomes de carbone, en combinaison avec un détergent sans cendres, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel d'un métal alcalin d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, en combinaison avec un détergent sans cendres, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel de potassium d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, en combinaison avec un détergent sans cendres, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel d'un métal alcalin ou d'un métal alcalino-terreux d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, en combinaison avec un détergent à base de polybuténamine, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel d'un métal alcalin ou d'un métal alcalino-terreux d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, en combinaison avec un détergent à base de polyétheramine, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel d'un métal alcalin et/ou d'un métal alcalino-terreux d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, en combinaison avec un détergent sans cendres, ayant une masse moléculaire de 2000 à 3000, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un sel de potassium d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, en combinaison avec un détergent sans cendres, selon un rapport en masse de 1:(8-15), pour l'application mentionnée dans la revendication 1.
- Utilisation d'un mélange de 4 % en masse à 9 % en masse du sel d'un métal alcalin d'un ester de l'acide sulfosuccinique ayant la formule I donnée dans la revendication 1, et de 60 % en masse à 80 % en masse d'un détergent sans cendres, le complément à 100 % en masse étant constitué d'une huile support et/ou d'un diluant, pour l'application mentionnée dans la revendication 1.
- Utilisation d'un mélange contenant un sel de potassium d'un ester de l'acide sulfosuccinique ayant la formule I mentionnée ci-dessus et un détergent sans cendres, où le potassium est présent en une quantité de 0,2 % en masse à 0,7 % en masse, pour l'application mentionnée dans la revendication 1.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0163693A AT400149B (de) | 1993-08-17 | 1993-08-17 | Additiv für unverbleite ottokraftstoffe sowie dieses enthaltender kraftstoff |
AT1636/93 | 1993-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0639632A1 EP0639632A1 (fr) | 1995-02-22 |
EP0639632B1 true EP0639632B1 (fr) | 1998-04-22 |
Family
ID=3517698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94890107A Expired - Lifetime EP0639632B1 (fr) | 1993-08-17 | 1994-06-21 | Utilisation d'un additif pour combustibles sans plomb pour moteurs à combustion interne à allumage commandé pour réduire l'érosion du siège de soupape. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0639632B1 (fr) |
AT (2) | AT400149B (fr) |
CZ (1) | CZ285397B6 (fr) |
DE (1) | DE59405767D1 (fr) |
DK (1) | DK0639632T3 (fr) |
HU (1) | HU214907B (fr) |
SI (1) | SI0639632T1 (fr) |
SK (1) | SK280988B6 (fr) |
Cited By (1)
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US7850744B2 (en) | 2004-08-05 | 2010-12-14 | Basf Aktiengesellschaft | Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion |
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US3898055A (en) * | 1971-06-07 | 1975-08-05 | Bray Oil Co | Gasoline engine fuel |
AT337333B (de) * | 1973-11-21 | 1977-06-27 | Mohnhaupt Dietrich | Flussiger treibstoff fur verbrennungsmotoren und zusatzmittel hiefur |
US3955398A (en) * | 1975-05-08 | 1976-05-11 | Westinghouse Air Brake Company | Calibration and adjustment arrangement for deceleration switch |
FR2421958A1 (fr) * | 1978-04-04 | 1979-11-02 | Raffinage Cie Francaise | Nouveaux agents anti-salissures et application desdits agents |
US4690687A (en) * | 1985-08-16 | 1987-09-01 | The Lubrizol Corporation | Fuel products comprising a lead scavenger |
GB8925535D0 (en) * | 1989-11-11 | 1990-01-04 | Rechem Ag | Gasoline composition |
-
1993
- 1993-08-17 AT AT0163693A patent/AT400149B/de not_active IP Right Cessation
-
1994
- 1994-06-21 DE DE59405767T patent/DE59405767D1/de not_active Expired - Fee Related
- 1994-06-21 SI SI9430135T patent/SI0639632T1/xx not_active IP Right Cessation
- 1994-06-21 AT AT94890107T patent/ATE165389T1/de not_active IP Right Cessation
- 1994-06-21 EP EP94890107A patent/EP0639632B1/fr not_active Expired - Lifetime
- 1994-06-21 DK DK94890107T patent/DK0639632T3/da active
- 1994-08-15 SK SK970-94A patent/SK280988B6/sk not_active IP Right Cessation
- 1994-08-16 HU HU9402368A patent/HU214907B/hu unknown
- 1994-08-17 CZ CZ941985A patent/CZ285397B6/cs not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7850744B2 (en) | 2004-08-05 | 2010-12-14 | Basf Aktiengesellschaft | Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion |
US8814957B2 (en) | 2004-08-05 | 2014-08-26 | Basf Aktiengesellschaft | Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion |
Also Published As
Publication number | Publication date |
---|---|
ATE165389T1 (de) | 1998-05-15 |
CZ285397B6 (cs) | 1999-08-11 |
SK97094A3 (en) | 1995-03-08 |
AT400149B (de) | 1995-10-25 |
SI0639632T1 (en) | 1998-08-31 |
EP0639632A1 (fr) | 1995-02-22 |
DK0639632T3 (da) | 1999-02-15 |
HUT69325A (en) | 1995-09-28 |
HU214907B (hu) | 1998-07-28 |
SK280988B6 (sk) | 2000-10-09 |
CZ198594A3 (en) | 1995-03-15 |
DE59405767D1 (de) | 1998-05-28 |
HU9402368D0 (en) | 1994-11-28 |
ATA163693A (de) | 1995-02-15 |
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