CN102666811A - Composition and method for reducing friction in internal combustion engines - Google Patents

Composition and method for reducing friction in internal combustion engines Download PDF

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Publication number
CN102666811A
CN102666811A CN201080058164XA CN201080058164A CN102666811A CN 102666811 A CN102666811 A CN 102666811A CN 201080058164X A CN201080058164X A CN 201080058164XA CN 201080058164 A CN201080058164 A CN 201080058164A CN 102666811 A CN102666811 A CN 102666811A
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glyceryl ether
saturated
fuel
compsn
amount
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布鲁斯·D·亚历山大
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BP Corp North America Inc
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BP Corp North America Inc
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    • 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
    • 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
    • C10L1/1857—Aldehydes; Ketones
    • 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)

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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)
  • Liquid Carbonaceous Fuels (AREA)

Abstract

A fuel composition comprising a combustible fuel, an effective friction reducing amount of at least one saturated C5 to C31 a-glycerol ether, and a detergent package is disclosed, as well as a method of reducing the amount of friction in an interna! combustion engine by adding the fuel composition to the engine.

Description

Be used for reducing the compsn and the method for the friction of oil engine
The application requires the U.S. Provisional Application No.61/288 of submission on December 21st, 2009, No. 471 rights and interests, and the full text of said application clearly is incorporated into this through reference.
Technical field
Present invention relates in general to friction modifier, more specifically, the present invention relates to the method for a kind of new fuel composition and the friction that is used for reducing oil engine.
Background technology
Vicennial many focuses of past are to concentrate on the fuel dope of the settling formation in the control spark-ignition internal combustion engine fuel guidance system.Keep or realize in the process of engine washing making great efforts, these settlings control additives are formulated into the carbonaceous sediment on effective control fuel injector, intake valve and the combustion chamber.
Because in the past decade crude oil consumption amount and fuel cost grow steadily, the human consumer shows ever-increasing interest to the transportation means fuel economy and stresses to improve the importance of transportation means fuel economy more.Particularly, there is intensive interest in the human consumer for the additive of the mover loss that minimizing can be provided, lower discharging and the fuel economy that improves.Regrettably, settling control additive provides the considerably less performance of reducing friction under the typical concentration that is used for commercialization fuel.Therefore, do not expect to surpass and be higher than the additional fuel economic benefit of the fuel economy benefit that realizes through in-engine settling control.
In contemporaneously, on the engine design that with better fuel economy and more production capacity (particularly bigger horsepower and acceleration stresses) is target, there are a lot of progress in this phase.It is the principal fuel supply technology of in petrol engine, using that conventional fuel nozzle sprays (PFI).The PFI mover is spurted into inlet mouth to form the uniform mixture of burning usefulness with gasoline together with air inlet.Do like this is to attempt to optimize the burning of fuel and improved motor performance is provided.In addition, developed a lot of other engine management control techniquess are used to improve the PFI mover with further optimized combustion process fuel economy.
Recently, developed gasoline direct injection (GDI) mover, kept simultaneously or produce more mover exporting energy so that the fuel economy of raising to be provided.Separate with air inlet, the GDI mover is directly gone into the combustion chamber with gasoline injection, and this makes engine management system according to loading condition optimized combustion process better.Two kinds of movers of PFI and GDI all need fuel dope to control the settling in nozzle, intake valve and the combustion chamber.In addition, especially in the GDI mover, can realize the further raising of fuel economy through the friction between minimizing steam jacket and piston-ring interface, valve train and the petrolift.Therefore, in petroleum industry, need exploitation to solve the engine deposits and the fuel and the fuel dope bag of reducing friction and requiring of PFI and GDI mover.
Because make traditionally engine friction to be minimized and mover this fact of frictionloss of 25 to 50% occurs estimating at the interface at steam jacket and piston-ring, lubricant industry is that first focus concentrates on and reduces engine friction and improve on the fuel economy.Realized the raising of fuel economy through reducing engine oil viscosity.Yet; Under the condition of (high load and high temperature) of working hard at mover, for example suddenly quicken or go up a slope, more low viscous oil can produce extremely thin lubricant film; Said film can increase the possibility of metal and metallic contact and cause wearing and tearing and higher friction, promptly lower fuel economy.In order under these frictional belt conditions, to help to reduce this contact and improve engine lubrication property; Inorganic and organic two kinds of friction modifiers have been used; But because the phosphorus inactivation of catalytic converter, GF-4 machine oil specification has reduced the inorganic friction modifier level that is allowed.This forces lubricant industry to more critically depend on organic friction modifier.
Organic friction modifier is the compound that can influence the frictional belt condition that steam jacket and piston-ring interface suffered under these violent engine operating conditions.The friction modifier of these types is surface-active and the polar end through metallic surface and friction modifier interacts and forms individual layer and on the metallic surface of mover, generate supercoat.Can set up the succeeding layer of friction modifier then and reduce friction, and help prevent two surfaces and their coarse place to be in contact with one another in the frictional belt, to provide.Yet the challenge that overcomes the friction design defective is to identify a kind of friction modifier of effect, for example intake valve settling and the machine oil thickening that can influence behavior of boundary layer and not cause not expecting.
In combustible fuel, use organic friction modifier and carried out for some time, but produce little effect.In general, join usually friction modification agent addition agent and sanitising agent in the combustible fuel be maybe unburnt higher molecular weight during the combustion processes in spark ignition engine compound.As a result, some additives interact with the oil-bound film that is present in the combustion cylinders.This interaction makes some additives become and mix lubricant.When having replenished oil-bound film, it becomes with fresh lubricant from the lubricant primary storage mixes, and the additive migration of some absorptions is through piston-ring and get into food tray.As a result, there be the slow transfer of additive from fuel to the lubricant.Depend on the transmission cycle, the amount that is transferred to lubricant additive from fuel can be up to about 30%.Based on the concentration of desired typical friction modification agent addition agent for gasoline, through 5,000 miles lubricating oil oil change interval, this transfer level can cause friction modification agent concentration in the lubricant up to about 0.5wt%.Therefore; In combustible fuel, adding organic friction modifier can directly influence the rubbing effect of combustion chamber inner casing cover and piston-ring and can be accumulated in the lubricant rubbing characteristics with other part (for example, valve train, camshaft, bearing etc.) of the improvement engine drive mechanism that machine oil was contacted.This transfer of friction modifier is as known in the art; And for example be taught among the WO 01/72390A2; WO 01/72390A2 has described a transmission mechanism; Generation can be transferred to steam jacket/piston-ring interface through said transmission mechanism and can be accumulated in the oilway from the friction modifier of fuel, causes the oilness of whole mover to improve thus.
Therefore, be desirable to provide a kind of new fuel composition, said compsn comprises combustible fuel, detergent package and the metallic surface is had strong avidity still strong to staying sedimental friction modifier.It would also be desirable to provide a kind of method that reduces the amount of friction in the oil engine; Said method is through in mover, adding the friction of said new fuel composition with steam jacket and the piston-ring interface and the transmission rig of positive influence mover, and the wearing and tearing that cause reducing, lower discharging, higher fuel economy and the pure horse-power of increase realize.
Summary of the invention
According to the present invention, at least a saturated C of the amount that said fuel composition comprises combustible fuel, effectively reduce friction 5To C 31α-glyceryl ether and detergent package.
On the other hand, the invention provides a kind of fuel additive composition, said compsn comprises at least a saturated C of the amount of effectively reducing friction 5To C 31α-glyceryl ether and detergent package.
The present invention also provides a kind of method that reduces the amount of friction in the oil engine, and said method comprises at least a saturated C that in mover, adds the amount that comprises combustible fuel, effectively reduces friction 5To C 31The step of the fuel composition of α-glyceryl ether and detergent package.
Method of the present invention effectively reduces the amount of friction in the oil engine through the wearing and tearing that in mover, add fuel composition of the present invention and cause thus reducing, lower discharging, higher fuel economy and the pure horse-power that increases.
Detailed Description Of The Invention
The present invention relates to the method for a kind of new fuel composition and the amount of friction that is used for reducing oil engine.According to the present invention, at least a saturated C of the amount that said fuel composition comprises combustible fuel, effectively reduce friction 5To C 31α-glyceryl ether and detergent package.Said fuel composition is added in the oil engine with the amount of friction in effective minimizing mover.
According to the present invention, spendable combustible fuel comprises gasoline and diesel oil fuel, and preferred fuel is gasoline.Gasoline is included in ebullient C in 25 ℃ to the 225 ℃ scopes 4-C 12The foreign body of hydrocarbon, and satisfy international specification gasoline, for example ASTM D-4814 and EN228.These gasoline foreign bodys contain the mixture of paraffinic hydrocarbons, alkene, aromatic hydrocarbons and the naphthenic hydrocarbon of normal and side chain usually, and the composition that is applicable to other hydrocarbon containing liquid of spark ignition gasoline engine, for example conventional pure and mild ether.
Gasoline can be through conventional refining and fusion method, for example straight run distillation, hydrogen cracking, fluid catalytic cracking, thermally splitting and various reformation technology and derived from petroleum crude oil.
Can in the present invention's practice, be used as the saturated C of friction modifier 5To C 31α-glyceryl ether comprises hexyl, octyl group, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, icosyl, docosyl, tetracosyl glyceryl ether, and composition thereof.Preferred saturated C 5To C 31α-glyceryl ether includes but not limited to saturated C 15To C 25α-glyceryl ether.Hexadecyl glyceryl ether (being also referred to as testriol) is preferred saturated C 15To C 25α-glyceryl ether, octadecyl glyceryl ether (being also referred to as Stearyl monoglyceride) is most preferred.The instance of suitable octadecyl glyceryl ether comprises the Stearyl monoglyceride of testing chemical industry (TCl America Laboratory Chemicals) available from the Stearyl monoglyceride EX of Ri Gao Chemical Co., Ltd (Nikko Chemicals Co.Ltd.) with available from the TCl U.S..
Said fuel composition preferably contains the saturated C in the amount of effectively reducing friction of about 1ppm to about 2000ppm (1,000,000/) scope 5To C 31α-glyceryl ether.More preferably, be present in saturated C in the fuel composition 5To C 31To the scope of about 1000ppm, most preferably from about 10ppm is to about 500ppm at about 5ppm for the amount of α-glyceryl ether.
The detergent package that can be used in the present invention's practice is as well known to those skilled in the art and commercially available.Suitable commercially detergent package including, but not limited to, purchased from BASF (BASF? AG) of and
Figure BDA00001789479100052
bag, purchased from Afton chemical Corporation (Afton? Chemical? Corporation) is
Figure BDA00001789479100053
bag, and purchased from Chevron Oren resistant limited liability company (Chevron? Oronite? Company? LLC) is
Figure BDA00001789479100054
package.
Said detergent package comprises at least a settling control additive, corrosion inhibitor, carrier fluid and solvent usually.Some commercially available detergent package do not contain corrosion inhibitor and can be used for practice of the present invention, and still, it is preferred comprising corrosion inhibitor.The appropriate vol of each composition will change according to the specific engines benefit in performance of looking for also and can easily be confirmed by those skilled in the art in the detergent package.
Said detergent package contains the nitrogenous settling control additive of at least a HMW usually.The instance of this settling control additive comprises polyalkylene amine, polyalkylene succinimide, Mannich base (Mannich bases) and polyetheramine.Being used for preferred settling control additive of the present invention is polyisobutene (PIB) amine.The instance of suitable PIB-amine is at United States Patent(USP) No. 4,832, instruction in 702, and the disclosure of said patent is through with reference to being incorporated into this.
Can be used on corrosion inhibitor in the present invention practice and include but not limited to monomer, dimer and the tripolymer of long chain organic acid and various ester, imide, thiadiazoles and triazole.
The carrier fluid that can be used for detergent package is preferably compatible and have the composition dissolving or a dispersive ability of the detergent package made from combustible fuel.The instance of conventional carrier fluid comprises MO and synthetic oil, for example gathers-alpha olefin oligomer, the carboxylicesters of polyethers, polyetheramine and long chain alkanol.
There are the various pure and mild aromatic hydrocarbons that can in the present invention's practice, be used as solvent.The instance of suitable solvent comprises YLENE, toluene, THF, Virahol, isobutyl carbinol and propyl carbinol; And petroleum hydrocarbon solvent, for example petroleum naphtha etc.
Said fuel composition can join in the oil engine through any ordinary method; And can be used for the oil engine of combustion of liquid fuel; Especially comprise in the spark ignition gasoline engine of vaporization PFI and GDI, and the transportation means that is used for containing compression ignition engine, for example diesel motor.When in oil engine, realizing the burning of said fuel composition, the amount of friction in the mover effectively reduces, and causes the wearing and tearing that reduce, lower discharging, higher fuel economy and the pure horse-power that increases thus.
In another aspect of this invention, a kind of fuel additive composition is provided, said compsn contains at least a saturated C of the amount of effectively reducing friction 5To C 31α-glyceryl ether and detergent package.All appropriate ingredients and their amounts separately in the fuel additive composition of can be used on is with top described with regard to fuel composition those are identical.Said fuel dope can be involved in the present invention the field in those of ordinary skill usually known any usual manner and combustible fuel group are incorporated in and join thereafter in the oil engine to reduce the amount of friction in the mover effectively.
Embodiment
Following examples are intended to explain the present invention and instruct those of ordinary skill how to make and use the present invention.These embodiment are not intended to limit by any way the present invention or its protection.
Embodiment 1
Use
Figure BDA00001789479100071
instrument to measure the performance of some friction modification agent addition agents.Under one group of controlled condition, said SRV apparatus measures is by ball vibration and frictional coefficient and polishing scratch of the lubricant that produces on dish.Commercial Castrol 5W30 (GF-4) machine oil that various commercially available organic friction modification agent addition agents have been mixed in use carries out SRV back and forth to be tested.
Organic friction modification agent addition agent of test is the glyceryl monooleate (GMO) that derives from human relations chemically-resistant company difficult to understand (Oronite Chemical Company); Derive from the oleylamide ( O) of the big chemistry of standing grain (Croda Chemicals); Derive from the glycerine list oleyl ether (FM-618C) of U.S. Ai Dike (Adeka USA); Derive from the hexadecyl glyceryl ether (shark glycol) of the U.S.'s watt section's chemistry (Wako Chemicals USA); With the octadecyl glyceryl ether (Stearyl monoglyceride) that derives from TCl U.S. experimental chemistry (TClAmerica Laboratory Chemicals).Through each organic friction modifier and Castrol GTX 5W30 machine oil are prepared test sample according to the processing ratio mixed described in the following table 1.
The SRV instrument use steel ball as top test specimen and steel disk as the bottom test specimen.Oil samples is placed on the dish, and to the ball applying load, along with ball is adjacent to dish, said ball is parallel to disc vibration from the top.Measurement is applied to lateral load on the dish to calculate frictional coefficient.Frictional coefficient is considered to the MV of the data for specified temp.The SRV test conditions is 50N load, 50Hz vibration, 1mm stroke and 1 hour time length.With initial temperature be made as 80 ℃ be used to test first 30 minutes, rapidly increase to 120 ℃ then and be used for last 30 minutes.This program is that the temperature dependency of the effect of reducing friction of said additive provides some indications under the temperature that expection between steam jacket and the piston-ring can run into.Test result is presented in the following table 1.
Table 1
SRV result's comparison
Figure BDA00001789479100081
Data declaration in the table 1 excellent properties of Stearyl monoglyceride (octadecyl glyceryl ether) with respect to other known friction modification agent addition agent.These data presentation are with respect to the frictional coefficient of the commercial Castrol GTX machine oil that meets the GF-4 specification, and to use the Stearyl monoglyceride additive that frictional coefficient is reduced down at 80 ℃ about 20% through handle ratio with 0.5wt%, reduces about 25% down at 120 ℃.And, to handle under the ratio at 0.5wt%, the friction co-efficient value under two kinds of temperature all significantly is lower than the value of GMO and Crodamide O additive.Two kinds of additives of GMO and Crodamide O all are well-known friction modifier chemicals and are widely used in the lubricant of motor vehicle.Stearyl monoglyceride (0.2wt% is with respect to 0.5wt%) under low 60% processing ratio has especially proved the performance of said excellence above this fact of the performance of reducing friction of Crodamide O.This is important attribute of performance, because the friction modifier in the fuel will slowly be accumulated in the lubricating oil, and therefore, Stearyl monoglyceride will provide under much lower concentration and reduce friction.In addition, Stearyl monoglyceride also can be used as the additive that reduces wear and works, because with respect to un-added Castrol GTX machine oil, adds Stearyl monoglyceride (0.5wt% handles ratio) and makes polishing scratch reduce about 30%.When the polishing scratch with the reference friction modifier shown in the table 1 compared, this was significant minimizing.
Although the effect of Stearyl monoglyceride friction modifier is measured in machine oil, it should be appreciated by those skilled in the art that to cause friction modifier to be accumulated in the machine oil after the adding friction modifier is through the typical oil change interval of transportation means in combustible fuel.Therefore, the testing friction modifying agent is the reliable replacement scheme of more expensive and complicated testing of engine in machine oil.
Therefore, the compositions and methods of the invention can effectively reduce the amount of friction in the oil engine (particularly, steam jacket and piston-ring interface and driving mechanism) through producing the oilness that improves.The wearing and tearing that the friction that reduces can cause again reducing, lower discharging, higher fuel economy and the increase of pure horse-power.
Embodiment 2
According to the revision of standard A STM D6201 program, on Ford 2.3L mover ergometer intake valve settling (IVD) keeps clean testing table, carry out the intake valve settling and measure.Each fuel testing uses clean valve and the mover that cleaned to measure the performance that keeps clean of fuel and additive combination.Estimate the performance that keeps clean of three kinds of fuel then through test in 50 hours according to the transmission cycle of Coordinating Research Council (CRC).First kind is not contain the gasoline (basic fuel) that additive meets ASTM D4814.Second kind is the same basic fuel that has like the commercialization detergent package (160ppmv) of the minimum (being minimum additive concentration or LAC) that required by US EPA, and said detergent package contains PIB-amine, corrosion inhibitor, carrier fluid, solvent and dyestuff.Last test is the basic fuel that has the 160ppmv Stearyl monoglyceride and do not contain detergent package.When respectively keeping clean off-test, dismounting mover, and quantitative measurment intake valve settling and total combustion chamber deposit (TCD).The result is presented in the following table 2.
Table 2
Keep clean result's comparison of IVD
Figure BDA00001789479100091
* basic fuel does not only contain detergent package.
* has the basic fuel of detergent package.
Result shown in the table 2 proves that although have high metal/surface affinity by the SRV evidence Stearyl monoglyceride of embodiment 1, as measured through the test that keeps clean, this avidity does not cause the increase of IVD.The basic fuel that does not contain detergent package causes the about 375mg settling of each intake valve at 50 hours duration of test.By comparison, the equal fuel that has a Stearyl monoglyceride causes the about 312mg settling of each intake valve.This shows that Stearyl monoglyceride is neutral improved to having slightly in keeping clean.In addition, when the result with the basic fuel with detergent package compared, Stearyl monoglyceride did not cause the increase (1122mg MV is with respect to 1166mg MV) of TCD.These data show that the expection Stearyl monoglyceride is the friction modifier of expectation, because it has strong avidity to the metallic surface, but do not stay settling.
Although in conjunction with preferred or exemplary embodiment the present invention has been done above-mentioned explanation, these embodiments are not intended to exhaustive or restriction the present invention.On the contrary, as determined by accompanying claims, the present invention is intended to cover whole possibilities, modification and the Equivalent that is included in its spirit and the scope.

Claims (20)

1. fuel composition, it comprises:
A. combustible fuel;
At least a saturated C of the amount of b. effectively reducing friction 5To C 31α-glyceryl ether; With
C. detergent package.
2. the compsn of claim 1, wherein said combustible fuel is selected from gasoline and diesel oil fuel.
3. the compsn of claim 1, wherein said saturated C 5To C 31α-glyceryl ether is selected from hexyl, octyl group, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, icosyl, docosyl, tetracosyl glyceryl ether, and composition thereof.
4. the compsn of claim 3, wherein said saturated C 5To C 31α-glyceryl ether is saturated C 15To C 25α-glyceryl ether.
5. the compsn of claim 4, wherein said saturated C 15To C 25α-glyceryl ether is the octadecyl glyceryl ether.
6. the compsn of claim 1, wherein said saturated C 5To C 31The amount of α-glyceryl ether at about 1ppm to the scope of about 2000ppm.
7. the compsn of claim 1, wherein said saturated C 5To C 31The amount of α-glyceryl ether at about 5ppm to the scope of about 1000ppm.
8. the compsn of claim 1, wherein said saturated C 5To C 31The amount of α-glyceryl ether at about 10ppm to the scope of about 500ppm.
9. the compsn of claim 1, wherein said detergent package comprises:
A. at least a settling control additive;
B. corrosion inhibitor;
C. carrier fluid; With
D. solvent.
10. fuel additive composition, it comprises:
At least a saturated C of the amount of a. effectively reducing friction 5To C 31α-glyceryl ether and
B. detergent package.
11. the compsn of claim 10, wherein said saturated C 5To C 31α-glyceryl ether is selected from hexyl, octyl group, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, icosyl, docosyl, tetracosyl glyceryl ether, and composition thereof.
12. the compsn of claim 11, wherein said saturated C 5To C 31α-glyceryl ether is the octadecyl glyceryl ether.
13. the compsn of claim 10, wherein said saturated C 5To C 31The amount of α-glyceryl ether at about 1ppm to the scope of about 2000ppm.
14. the compsn of claim 10, wherein said detergent package comprises:
A. at least a settling control additive;
B. corrosion inhibitor;
C. carrier fluid; With
D. solvent.
15. a method that reduces the amount of friction in the oil engine, it comprises in mover adding and comprises combustible fuel, the effective at least a saturated C of the amount of reducing friction 5To C 31The step of the fuel composition of α-glyceryl ether and detergent package.
16. the method for claim 15, wherein said combustible fuel is selected from gasoline and diesel oil fuel.
17. the method for claim 15, wherein said saturated C 5To C 31α-glyceryl ether is selected from hexyl, octyl group, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, icosyl, docosyl, tetracosyl glyceryl ether, and composition thereof.
18. the method for claim 17, wherein said saturated C 5To C 31α-glyceryl ether is the octadecyl glyceryl ether.
19. the method for claim 15, wherein said saturated C 5To C 31The amount of α-glyceryl ether at about 1ppm to the scope of about 2000ppm.
20. the method for claim 15, wherein said detergent package comprises:
A. at least a settling control additive;
B. corrosion inhibitor;
C. carrier fluid; With
D. solvent.
CN201080058164XA 2009-12-21 2010-12-14 Composition and method for reducing friction in internal combustion engines Pending CN102666811A (en)

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US28847109P 2009-12-21 2009-12-21
US61/288,471 2009-12-21
PCT/US2010/060338 WO2011084430A1 (en) 2009-12-21 2010-12-14 Composition and method for reducing friction in internal combustion engines

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Citations (6)

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Application publication date: 20120912