EP2516602A1 - Composition et méthode pour la réduction des frottements dans les moteurs à combustion interne - Google Patents

Composition et méthode pour la réduction des frottements dans les moteurs à combustion interne

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Publication number
EP2516602A1
EP2516602A1 EP10798666A EP10798666A EP2516602A1 EP 2516602 A1 EP2516602 A1 EP 2516602A1 EP 10798666 A EP10798666 A EP 10798666A EP 10798666 A EP10798666 A EP 10798666A EP 2516602 A1 EP2516602 A1 EP 2516602A1
Authority
EP
European Patent Office
Prior art keywords
composition
ppm
amount
aliphatic amine
fuel
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.)
Withdrawn
Application number
EP10798666A
Other languages
German (de)
English (en)
Inventor
Bruce D. Alexander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BP Corp North America Inc
Original Assignee
BP Corp North America Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BP Corp North America Inc filed Critical BP Corp North America Inc
Publication of EP2516602A1 publication Critical patent/EP2516602A1/fr
Withdrawn legal-status Critical Current

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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
    • C10L1/22—Organic compounds containing nitrogen
    • 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
    • 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
    • C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
    • 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
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
    • C10L1/1852—Ethers; Acetals; Ketals; Orthoesters
    • 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
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
    • C10L1/191—Esters ester radical containing compounds; ester ethers; carbonic acid esters of di- or polyhydroxyalcohols
    • 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
    • C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
    • 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

  • This invention relates generally to friction modifiers and, more particularly, to a new fuel composition and method for reducing friction in internal combustion engines.
  • PFI port-fuel injection
  • GDI gasoline direct injection
  • Organic friction modifiers are compounds that can affect the boundary layer conditions experienced by the cylinder liner and piston ring interface under these severe engine operating conditions. These types of friction modifiers are surface active and produce a protective coating on the metal surface of the engine by forming a monolayer through the interaction of the metal surface with the polar end of the friction modifier. Subsequent layers of the friction modifier can then build up to provide friction reduction in the boundary layer and help to prevent the two surfaces and their asperities from contacting each other.
  • the challenge in overcoming the frictional design limitations lies in identifying a friction modifier which can influence the boundary layer properties without leading to undesirable effects, such as intake valve deposits and oil thickening.
  • the application of organic friction modifiers in combustible fuels has been pursued for some time with minimal success.
  • Friction modifier additives and detergents commonly added to combustible fuels are generally higher molecular weight compounds that may not be completely burned during the combustion process within spark ignition engines. As a result, some of the additive interacts with the lubricant oil film present in the combustion cylinder. This interaction allows some of the additive to become mixed with the lubricant. As the lubricant oil film is replenished, it becomes mixed with fresh lubricant from the main lubricant reservoir and some of the absorbed additive migrates past the piston rings and into the oil pan. As a result, there is a slow transfer of additive from the fuel to the lubricant. Depending on the driving cycle, the amount of additive that is transferred from the fuel to the lubricant can be as high as about 30%.
  • the fuel composition comprises a combustible fuel, an effective friction reducing amount of at least one Ce to C30 aliphatic amine, and a detergent package.
  • the invention provides a fuel additive composition comprising an effective friction reducing amount of at least one to C30 aliphatic amine and a detergent package.
  • the invention also provides a method of reducing the amount of friction in an internal combustion engine comprising the step of adding to the engine a fuel composition comprising a combustible fuel, an effective friction reducing amount of at least one Ce to C30 aliphatic amine, and a detergent package.
  • the inventive method effectively reduces the amount of friction in an internal combustion engine by adding the fuel composition of the present invention to the engine, thus leading to lower emissions, higher fuel economy, and increased net horsepower.
  • the present invention is directed to a new fuel composition and method for reducing the amount of friction in an internal combustion engine
  • the fuel composition comprises a combustible fuel, an effective friction reducing amount of at least one C6 to C30 aliphatic amine, and a detergent package.
  • the fuel composition is added to the internal combustion engine to effectively reduce the amount of friction in the engine.
  • the combustible fuels which may be used include gasoline and diesel fuel, with the preferred fuel being gasoline.
  • Gasoline comprises blends of C4-C12 hydrocarbons which boil in the range of 25°C to 225°C, and satisfy international gasoline specifications, such as ASTM D-4814 and EN228. These gasoline blends typically contain mixtures of normal and branched paraffins, olefins, aromatics and naphthenic hydrocarbons, and other liquid hydrocarbon containing components suitable for spark ignition gasoline engines, such as conventional alcohols and ethers.
  • the gasoline can be derived from petroleum crude oil by conventional refining and blending processes, such as straight run distillation, hydrocracking, fluid catalytic cracking, thermal cracking, and various reforming technologies.
  • the C6 to C30 aliphatic amines which may be used as friction modifiers in the practice of the invention include saturated fatty acid amines, unsaturated fatty acid amines, and mixtures thereof.
  • Preferable C 6 to C 30 aliphatic amines include, but are not limited to, octyl-, decyh dodecyl-, tetradecyl-, hexadecyl-, hexadecenyl-, octadecyl-, octadecenyl- amines, and mixtures thereof.
  • Tallow amines are particularly preferred Ce to C30 aliphatic amines, with hydrogenated tallow amines being most preferred.
  • An example of a suitable hydrogenated tallow amine is Armeen ® HTD, available from Akzo Nobel Surface Chemistry LLC.
  • the fuel composition preferably contains an effective friction reducing amount of the Ce to C30 aliphatic amine in the range of from about 1 ppm to about 2000 ppm (parts per million). More preferably, the amount of the Ce to C30 aliphatic amine present in the fuel composition is in the range of from about 5 ppm to about 1000 ppm, with about 10 ppm to about 500 ppm being most preferred.
  • the detergent packages which may be used in the practice of the present invention are well known to those skilled in the art and commercially available. Suitable commercial detergent packages include, but are not limited to, Keropur ® and Kerocom ® packages available from BASF A.G., HiTEC ® packages available from Afton Chemical Corporation, and OGA ® packages available from Chevron Oronite Company LLC.
  • the detergent packages typically include at least one deposit control additive, a corrosion inhibitor, a carrier fluid, and a solvent.
  • Some commercially available detergent packages do not contain a corrosion inhibitor and may be used in the practice of the present invention, however, it is preferred that a corrosion inhibitor be included.
  • the appropriate amount of each component in the detergent package will vary depending upon the specific engine performance benefit being sought and can be readily determined by those skilled in the art.
  • the detergent package typically contains at least one high molecular weight nitrogen-containing deposit control additive.
  • deposit control additives include poiyalkylene amines, polyaikylene succinimides, Mannich bases, and polyether amines.
  • the preferred deposit control additive for use in the present invention is a polyisobutylene (PIB) amine. Examples of suitable PIB-amines are taught in U.S. Pat. No. 4,832,702, the disclosure of which is incorporated herein by reference.
  • the corrosion inhibitors which may be utilized in the practice of the present invention include, but are not limited to, monomers, dimers, and trimers of long chain organic acids, and various esters, imides, thiadiazoles, and triazoles.
  • the carrier fluids which may be used in the detergent package are preferably compatible with the combustible fuel and have the ability to dissolve or disperse the components of the detergent package.
  • Examples of conventional carrier fluids include mineral oils and synthetic oils, such as poly a-olefin oligomers, poiyethers, polyether amines, and carboxylic esters of long chain aikanols.
  • solvents there are various alcohols and aromatic hydrocarbons which may be used as solvents in the practice of the present invention.
  • suitable solvents include xylenes, toluene, tetrahydrofuran, isopropanol isobutylcarbinoj, and n- butanol; and petroleum hydrocarbon solvents, such as naphtha and the like.
  • the fuel composition may comprise another friction modifier in accordance with the present invention. It was discovered that when certain friction modifier combinations are utilized, greater coefficient of friction reduction is achieved than when either friction modifier is used alone. In particular, when a glycerol monoalkyl ether, more preferably, a glycerol monooleyl ether is combined with a hydrogenated tallow amine, the interaction of the two friction modifiers leads to significantly improved lubricity.
  • the fuel composition preferably contains an effective friction reducing amount of the glycerol monoalkyl ether in the range of from about 1 ppm to about 1000 ppm. More preferably, the amount of the glycerol monoalkyl ether present in the fuel composition is in the range of from about 5 ppm to about 500 ppm, with about 10 ppm to about 250 ppm being most preferred.
  • the fuel composition may be added to an internal combustion engine by any conventional method and can be used in internal combustion engines that burn liquid fuel, especially spark-ignited gasoline engines encompassing carbureted, PFi and GDI, as well as in vehicles containing compression-ignited engines, such as diesel engines.
  • internal combustion engines that burn liquid fuel
  • spark-ignited gasoline engines encompassing carbureted, PFi and GDI
  • vehicles containing compression-ignited engines such as diesel engines.
  • a fuel additive composition containing an effective friction reducing amount of at least one C 6 to C 3 o aliphatic amine and a detergent package is provided. All of the suitable components which may be used in the fuel additive composition and their respective amounts are the same as those described above with respect to the fuel composition.
  • the fuel additive may be combined with a combustible fuel in any conventional manner generally known to those having ordinary skill in the art to which this invention pertains and then added to an internal combustion engine to effectively reduce the amount of friction in the engine.
  • An SRV ® instrument was utilized to determine the performance of a number of friction modifier additives.
  • the SRV instrument measures the coefficient of friction and wear scar of a lubricant resulting from the oscillation of a ball on a disc at a constant set of conditions.
  • SRV reciprocation tests were done using a commercial Castroi GTX ® 5W30 (GF-4) motor oil that was spiked with various commercially available organic friction modifier additives.
  • the organic friction modifier additives tested were glycerol monooleate (G O), which was obtained from Oronite Chemical Company, oleylamide (Crodamide ® O), obtained from Croda Chemicals, glycerol monooleyl ether (FM- 618C), obtained from Adeka USA, and hydrogenated tallow amine (Armeen HTD), obtained from Akzo Nobel Surface Chemistry LLC. Test samples were prepared by mixing 0.5 grams of the organic friction modifier with 99.5 grams of the Castrol GTX 5W30 motor oil.
  • the SRV instrument uses a steel ball as the upper test piece and a steel disk as the lower test piece. An oil sample was placed on the disk, a load was applied to the ball from the top, and the ball was vibrated parallel to the disk as the ball was pressed against the disk. The lateral load applied to the disk was measured to calculate the coefficient of friction. The coefficient of friction was taken as the average of the data for a particular temperature.
  • the SRV test conditions were 50 N load, 50 Hz oscillation, 1 mm stroke and 1 hour duration. The initial temperature was set to 80°C for the first 30 minutes of testing and then rapidly raised to 120°C for the final 30 minutes. This procedure provided some indication of the temperature dependence of the additive's effect on friction reduction at temperatures expected to be encountered between the cylinder liner and piston ring. The results of the testing are shown below in Table 1.
  • Table 1 illustrate the superior performance of the Armeen HTD (hydrogenated tallow amine) relative to other known friction modifier additives. These data show that at 20°C, the coefficient of friction can be lowered by approximately 16% relative to that of a commercial Castrol GTX motor oil meeting the GF-4 specifications through the use of the Armeen HTD additive. The coefficient of friction values are significantly lower than those of the GMO additive ⁇ at both temperatures) and show improvement over the high temperature data for the Crodamide O additive. Both the GMO and Crodamide O additives are well-known friction modifier chemistries and have been used extensively in motor vehicle lubricants.
  • the inventive composition and method can effectively reduce the amount of friction within an internal combustion engine (in particuiar, the cylinder liner and piston ring interface and the drive train) by producing improved lubricity.
  • the lower friction in turn can lead to lower emissions, higher fuel economy, and an increase in net horsepower.
  • Intake valve deposit measurements were carried out on a Ford 2.3L engine dynamometer Intake Valve Deposit (IVD) clean-up test stand according to a modified version of the standard ASTM D6201 procedure. Clean valves were installed in the engine and then a retail gasoline which contained the minimum amount of detergent additive as required by the US EPA (i.e., the lowest additive concentration or LAC) was run for 50 hours following a Coordinating Research Council (CRC) drive cycle. The engine was disassembled, the valve weights were measured, and then reassembled to determine the clean-up performance of the test fuels using a 100 hour test following the CRC drive cycle.
  • the IVD clean-up performance results of a comparative detergent package (345 ppmv) containing a PIB-amine, corrosion inhibitor, carrier fluid, solvent and dye, and the detergent package in combination with the Armeen HTD additive are shown below in Table 2. Table 2
  • Example 3 The same SRV testing of the friction modifier additized Castrol GTX 5W30 motor oil performed above in Example 1 was conducted in this example to determine the performance of a combination of additives, namely FM-618C and Armeen HTD. Additional test samples were prepared by mixing 0.2 grams of the organic friction modifier with 99.8 grams of the Castrol GTX 5W30 motor oil. All of the coefficient of friction results from Example 1 and from the testing in this example of the combination of the F -618C and Armeen HTD friction modifier additives are shown below in Table 3.
  • the inventive composition and method improves lubricity and helps reduce the amount of friction within an internal combustion engine through the synergistic interactions of two different friction modifier chemistries added via the fuel.
  • This synergistic behavior effectively lowers the amount of friction within the cylinder liner and piston ring interface and the drive train of the interna! combustion engine.
  • the lower friction in turn can lead to lower emissions, higher fuel -economy, and an increase in net horsepower.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Lubricants (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

La présente invention concerne une composition de carburant comprenant un carburant combustible, une quantité réduisant les frottements de façon efficace d'au moins une amine aliphatique en C6 à C30, et une formule détergente, ainsi qu'une méthode de réduction de la quantité de frottements dans un moteur à combustion interne par ajout de la composition de carburant au moteur.
EP10798666A 2009-12-21 2010-12-15 Composition et méthode pour la réduction des frottements dans les moteurs à combustion interne Withdrawn EP2516602A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28846309P 2009-12-21 2009-12-21
PCT/US2010/060457 WO2011084457A1 (fr) 2009-12-21 2010-12-15 Composition et méthode pour la réduction des frottements dans les moteurs à combustion interne

Publications (1)

Publication Number Publication Date
EP2516602A1 true EP2516602A1 (fr) 2012-10-31

Family

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Application Number Title Priority Date Filing Date
EP10798666A Withdrawn EP2516602A1 (fr) 2009-12-21 2010-12-15 Composition et méthode pour la réduction des frottements dans les moteurs à combustion interne

Country Status (8)

Country Link
US (1) US20110146143A1 (fr)
EP (1) EP2516602A1 (fr)
CN (1) CN102666813A (fr)
AU (1) AU2010340059A1 (fr)
NZ (1) NZ600693A (fr)
RU (1) RU2012126348A (fr)
WO (1) WO2011084457A1 (fr)
ZA (1) ZA201204588B (fr)

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CN103627454B (zh) * 2013-11-07 2015-01-07 黔西南州恒力新能源科技有限公司 一种点燃式发动机用甲醇燃料
CN103897756B (zh) * 2014-04-16 2015-10-28 中山职业技术学院 Gdi发动机用节能环保除水除积碳燃油添加剂及其制备方法
CN106929110A (zh) * 2017-04-18 2017-07-07 湖北文理学院 一种复合柴油
US10539090B2 (en) 2017-10-19 2020-01-21 Fca Us Llc Fuel system with deactivating fuel pump
WO2020161262A1 (fr) 2019-02-07 2020-08-13 Shell Internationale Research Maatschappij B.V. Composition de carburant avec additifs à pouvoir lubrifiant
WO2020161265A1 (fr) 2019-02-07 2020-08-13 Shell Internationale Research Maatschappij B.V. Composition de carburant avec additifs à pouvoir lubrifiant

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Also Published As

Publication number Publication date
CN102666813A (zh) 2012-09-12
NZ600693A (en) 2014-03-28
WO2011084457A1 (fr) 2011-07-14
RU2012126348A (ru) 2014-01-27
ZA201204588B (en) 2014-11-26
US20110146143A1 (en) 2011-06-23
AU2010340059A1 (en) 2012-07-12

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