EP0791745A1 - Méthode de réformation de carburant appareil de reformage de carburant et moteur thermique - Google Patents

Méthode de réformation de carburant appareil de reformage de carburant et moteur thermique Download PDF

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Publication number
EP0791745A1
EP0791745A1 EP96102728A EP96102728A EP0791745A1 EP 0791745 A1 EP0791745 A1 EP 0791745A1 EP 96102728 A EP96102728 A EP 96102728A EP 96102728 A EP96102728 A EP 96102728A EP 0791745 A1 EP0791745 A1 EP 0791745A1
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Prior art keywords
fuel
ceramics
silicon
reforming
liquefied
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EP96102728A
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German (de)
English (en)
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Nobuyoshi Nishikawa
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Priority to EP96102728A priority Critical patent/EP0791745A1/fr
Priority to CA002171419A priority patent/CA2171419A1/fr
Publication of EP0791745A1 publication Critical patent/EP0791745A1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction

Definitions

  • the present invention relates to a method of reforming fuel, a fuel-reforming apparatus, and a thermal engine. More particularly, the invention relates to thermal engines including internal combustion engines such as an automotive gasoline or diesel engine, combustion apparatuses such as a boiler or a burner, for example, and yet, the invention relates to a novel method of reforming fuel for driving said thermal engines and a fuel-reforming apparatus.
  • thermal engines including internal combustion engines such as an automotive gasoline or diesel engine, combustion apparatuses such as a boiler or a burner, for example, and yet, the invention relates to a novel method of reforming fuel for driving said thermal engines and a fuel-reforming apparatus.
  • the latter method for compulsorily discharging exhaust gas via a turbo fan results in the decreased volume of black smoke and enhanced output power.
  • the latter method causes volume of NOx to increase, and yet, since output power can be raised by a significant rate, fine adjustment of output power involves difficulty to easily lead to occurrence of uncontrollable run.
  • the primal object of the invention to drastically decrease volume of carbon dioxide, carbon monoxide, hydrocarbon, and nitrogen oxide exhausted via combustion of fuel inside of internal-combustion engines, and yet, drastically decrease fuel consumption and increase output power.
  • the invention provides a novel method of reforming fuel, an improved fuel reforming apparatus, and an improved thermal engine.
  • a fundamental of the inventive method for reforming fuel is to bring liquid fuel into contact with ceramics mainly comprising silicon.
  • the inventive fuel-reforming method is effected by adding either or both of microbial additive and enzyme to liquid fuel or by stirring liquid fuel at a super high speed.
  • a fundamental of the inventive fuel-reforming apparatus is that ceramics balls mainly comprising silicon are disposed in one or more than one internal portions selected from a liquid-fuel tank, a fuel-supply pipe, or a fuel filter, so that ceramics balls can be immersed in fuel.
  • the inventive fuel-reforming apparatus is characterized by providing the liquid-fuel tank with a microbial addition means for adding either or both of microbial additive and enzyme to liquid fuel or a stirring means for stirring liquid fuel.
  • the inventive fuel-reforming apparatus is characterized by coating one or more than one internal surfaces selected from the liquid-fuel tank, the fuel pipe, or the fuel filter, with ceramics mainly comprising silicon.
  • the inventive fuel-reforming apparatus is further characterized by disposing ceramics balls at least containing radioactive material in one or more than one internal portions selected from the liquid-fuel tank, the fuel-supply pipe, or the fuel-filter, so that the ceramics balls can respectively be immersed in fuel.
  • the liquid-fuel according to the inventive art is subject to heating at a temperature below ignition point thereof.
  • a fundamental of the inventive thermal engine is to effect coating at least part or whole of internal and external surfaces of pipes distributed for supplying liquefied or vaporized fuel in the fuel supply system with ceramics mainly comprising silicon.
  • Another fundamental of the inventive thermal engine is characterized by filling at least part of internal portion of the pipes for distributing liquefied or vaporized fuel in the fuel supply system with ceramics balls mainly comprising silicon, or by covering part or whole of external surface of the pipe for distributing liquefied or vaporized fuel in the fuel supply system with ceramics balls mainly comprising silicon, or by coating part or whole of internal surface of either or both of air-absorption system and exhaust system, or by coating part or whole of external surface of either or both of air-absorption system and exhaust system with ceramics mainly comprising zirconium oxide containing titanium dioxide, or by coating internal surface of bent portion of pipes distributed in either or both of the air-absorption system and exhaust system with ceramics mainly comprising silicon.
  • a still further fundamental of the inventive thermal engine is characterized by coating part or whole of internal and external surfaces of the fuel supply system for supplying liquefied or vaporized fuel, or the air-absorption system, or the exhaust system with ceramics mainly comprising silicon, or by filling part of internal surface of any of said systems with ceramics balls, or by coating either or both of internal and external surfaces of the fuel combustion chambers with ceramics mainly comprising zirconium oxide containing titanium dioxide.
  • inventive thermal engine by effect of covering part or whole of internal and external surfaces of either or both of air-absorption system and exhaust system thereof with ceramics mainly comprising silicon or by effect of providing an air-absorption promoting means for activating absorbed air in part of the air-absorption system, fuel can be subject to complete combustion and emission of detrimental material can be restrained to a minimum degree.
  • operating efficiency of the whole fuel-combustion system can be promoted by effect of covering or filling part or whole of pipes distributed in the fuel-supply system for supplying liquefied or vaporized fuel, or the air-absorption system, or the exhaust system, with ceramics balls or ceramics mainly comprising silicon, thus making it possible for the thermal engine to burn fuel at a high efficiency.
  • the inventive thermal engine can burn fuel at a high efficiency.
  • a ceramics-coated layer 14 mainly comprising silicon is formed on internal surface of a steel-made air-tightly closed main tank body 12 of a fuel tank 10 according to an embodiment of the invention.
  • a plurality of ceramics balls 16 mainly comprising silicon and the other ceramics balls 18 each containing radioactive elements are respectively disposed on bottom surface of the main tank body 12 via stratification.
  • a stirring rod 20 is projectively erected on internal surface of the main tank body 12 of the fuel tank 10, where the stirring rod 20 is rotated at a very fast speed by a super high-speed motor 22 functioning as a stirring means which is secured to external surface of the main tank body 12.
  • An addition device 26 for adding microbial additive 24, a fuel inlet port 30 for injecting fuel into the main tank body 12, and a liquid-surface level meter 32 for detecting actual surface level of fuel 28, are respectively provided on the top surface of the main tank body 12.
  • a heating apparatus 34 is disposed below the main tank body 12 in order to heat fuel 28 to a predetermined temperature degree for a predetermined duration.
  • the above-referred ceramics balls 16 mainly comprising silicon individually consist of about 68% to 73% of silicon dioxide, about 12% to 17% of magnesium oxide, about 6% to 9% of aluminium oxide, about 0.5% to 2.0% of titanium dioxide, and other negligible ingredients such as calcium oxide, potassium oxide, ferric oxide, and sodium oxide, thus conjunctionally forming ceramics (hereinafter specifically being referred to as "ceramics mainly comprising silicon").
  • ceramics mainly comprising silicon In order to expand contactable area with fuel 28, it is desired that the ceramics balls 16 be formed in poriferous condition.
  • a ceramics-coated layer 14 mainly comprising silicon is formed on internal surface of the main tank body 12 via an initial step of grinding the ceramics balls 16 into pulverized particles followed by a step of adhering them onto internal surface of the main tank body 12. It was proven via immersion of the ceramics balls 16 in fuel followed by combustion of fuel that volume of carbon monoxide, hydrocarbon, nitrogen oxide, and carbon dioxide (total volume) in exhaust gas decreased.
  • the above-referred ceramics balls 18 containing radioactive elements are respectively composed of aluminium oxide, silicon dioxide, zirconium oxide, Rb 2 , O, La 2 O 3 , Pr 6 O 2 , and Kr.
  • the number of idling revolution increased by about 50rpm through 100rpm compared to the case of using conventional gasoline, thus resulting in the decreased volume of hydrocarbon and carbon dioxide emitted from exhaust gas.
  • the above-referred super high speed motor 22 used for embodying the invention is capable of rotating itself at a minimum of 4000rpm, preferably at a minimum of 10000rpm, more particularly at 20000rpm through 40000rpm. This is because the greater the number of the rotation, the higher the stirring effect so that fuel particles can become finer and more homogeneous.
  • the above-referred stirring rod 20 is rotated by the super high speed motor 22 at an ultra high speed in fuel 28 to stir fuel 28 to cause impurities in fuel such as water and sulfur oxide to become finer so that constituents of fuel 28 can be homogenized. Simultaneously, mutual contact and reaction between the ceramics balls 16 mainly comprising silicon and the other ceramics balls 18 containing radioactive elements can be promoted to yield substantial effect. It was reported that calorific value of fuel was raised by effect of agitation via the super high speed motor 22.
  • the microbial additive 24 is added to fuel 28 via the addition device 26 by an optimal amount in correspondence with volume of injected fuel.
  • the microbial additive 24 is added to fuel 28 at a rate of 0.1cc through 2.0cc per liter of fuel 28. It should be understood however that actual amount or rate of addition is variable according to proportion and kind of microbes contained in the microbial additive 24 without being limited to the above-exemplified value.
  • the microbial additive 24 is activated in fuel. Use of enzyme is preferred because of own function to cut off molecular chains of hydrogen and carbon into short length. Not only enzyme, but such a fuel-reforming agent using any available microbe may also be used without specific limit.
  • the above-referred heating apparatus 34 set to bottom of the main tank body 12 promotes reaction between the ceramics balls 16 and 18, the microbial additive 24, and fuel 28. After heating fuel 28 to a predetermined temperature degree in a range from 50 °C to 70 °C for an hour through 8 hours for example, heating is discontinued so that fuel 28 can remain at normal temperature.
  • the fuel-reforming method and the fuel-reforming apparatus embodied by the invention can yield substantial effect. It was confirmed that emitted volume of carbon monoxide and carbon dioxide was decreased solely by implementing the inventive fuel-reforming art. Accordingly, as shown in Fig. 2 for example, it is also possible to provide a circular cylindrical member 38 filled with the ceramics balls 16 mainly comprising silicon in part of a pipe 36 for supplying fuel 28 so that fuel 28 processed by the ceramics balls 16 can immediately be supplied to a combustion chamber. When implementing this embodiment, it is recommended that air-vent be provided between the circular cylindrical member 38 and the combustion chamber. It is also recommended that a ceramics-coated layer 14 mainly comprising silicon be formed on internal surface of the circular cylindrical member 38.
  • predetermined effect can be generated by provision of the ceramics balls 16 and the ceramics-coated layer in respectively comprising silicon as the main constituent. It was also confirmed that volume of carbon monoxide and carbon dioxide generated in exhaust gas could be decreased by a great extent by virtue of combined use of the microbial additive 24, and thus, combined use of the both components is most recommended when executing the inventive art.
  • heating apparatus 44 may also be provided, wherein the heating apparatus 44 incorporates a heating unit 42 in the center of a pipe 40 extending itself in the upper and lower directions from the main tank body 12 and having both ends being open to the interior of the main tank body 12. According to the heating apparatus 44, heated fuel 28 generates convection so that temperature of fuel 28 stored in the main tank body 12 can be raised evenly, and yet, fuel temperature can substantially be held constant without involving difficulty.
  • an automotive engine 46 comprises a fuel-supply system 48 for supplying fuel for driving the engine 46, an air-absorption system 50 for supplying fresh air needed for burning fuel, and an exhaust system 52 for externally discharging exhaust gas from the engine 46.
  • a fuel-supply system 48 for supplying fuel for driving the engine 46
  • an air-absorption system 50 for supplying fresh air needed for burning fuel
  • an exhaust system 52 for externally discharging exhaust gas from the engine 46.
  • adequate measures are effected in appropriate portions inside of the engine 46, fuel-supply system 48, air-absorption system 50, and the exhaust system 52, respectively.
  • the above-referred fuel tank 10 shown in Fig. 1, Fig. 4, and in other embodiments be used for the fuel tank 54 of the fuel-supply system 48 shown in Fig. 4, and yet, the fuel tank 54 be so structured that fully reformed fuel can be supplied thereto. It is also possible for this embodiment to provide a fuel-reforming device 60 in part of a fuel-supply pipe 58 disposed between the fuel tank 54 and a fuel filter 56. Better effect can be generated by operating the fuel-reforming device 60 in conjunction with the fuel tank 10 which is structured to have fuel reformed. It is also effective that the interior of the fuel filter 56 be filled with ceramics so that the fuel-reforming device 60 can be formed.
  • the fuel-reforming device 60 it is also possible to provide the fuel-reforming device 60 only in the case of using any conventional fuel tank. Normally, in order to eliminate foam generated in the fuel-reforming device 60, it is necessary to dispose the fuel filter 56 between the engine 46 and the fuel-reforming device 60.
  • the fuel-reforming device 60 has such a structure substantially being identical to that of the circular cylindrical member 38 shown in Fig. 2.
  • internal surface of the circular cylindrical member 38 be processed by means of coating 14 with ceramics containing radioactive elements, and yet, it is further preferred that the internal portion of the circular cylindrical member 38 be filled with ceramics mainly comprising silicon by about 70% and ceramics containing radio-active elements by about 30% in terms of share.
  • the internal portion of the circular cylindrical member 38 be filled with ceramics mainly comprising silicon.
  • a heating unit 62 be disposed at a portion immediately before a specific point at which fuel is led to the fuel-reforming device 60 so that light oil heated in a range of 50 °C through 70 °C . can be delivered to the fuel-reforming device 60. This is because the heating promotes reformation of light oil.
  • the reformed fuel is delivered to a carburetor 64 or an electronically-controlled fuel-jetting system 66 respectively being operated for mixing gasoline or light oil with fresh air as of misty or liquefied condition, and then air-mixed reformed fuel is delivered to the engine 46 via an air-absorption manifold 68.
  • an air-absorption manifold 68 It is recommended that, as shown in Fig. 5(a), in the case of the air-absorption manifold 68, external surface of a pipe 70 inter-linking the carburetor 64 and the engine 46 as well as external surface of the fuel-jetting system 66 shown in Fig. 5(b) be respectively coated with ceramics mainly comprising silicon.
  • external surface of the pipe 70 may be covered with it. Since ceramics cannot be brought into direct contact with fuel when being disposed on external surface of the pipe 70, it is conceived that far-infrared rays emitted from ceramics could act on misty or liquefied fuel.
  • an air-cleaner 72 provided for the air-absorption system 50 shown in Fig. 4 it is desired that internal surface of an external cylinder and external surface of an air-filter respectively being component of the air-cleaner 72 be coated with ceramics. Since ceramics mainly comprising silicon is used for the coating to generate proper action of infrared rays, it is probable that fresh air can be activated in the air-cleaner 72.
  • the fuel-supply system 48 is treated with the above processes for driving the engine 46 with reformed fuel.
  • the engine 46 incurred such a symptom being short of oxygen to result in the increased volume of carbon monoxide and hydrogen emitted therefrom.
  • the air-cleaner 72 has angular or circular form. Since the angular-form air-cleaner 72 has substantial inner capacity and enables substantial volume of fresh air to pass therethrough, it is recommended that internal air passage be properly filled with ceramics balls mainly comprising silicon or the internal surface forming air-passage be coated with ceramics mainly comprising silicon.
  • the circular air-cleaner 72 since the circular air-cleaner 72 has in-substantial inner capacity and permits less volume of fresh air to pass therethrough, it is recommended that internal surface forming air-passage be coated with ceramics mainly comprising silicon. It is also possible to fix pulverized particles of ceramics on the surface of air-filter of the air-cleaner 72 so that the ceramics particles can be brought into contact with incoming fresh air. It was confirmed that execution of the above processes resulted in generation of substantial effect.
  • ceramics-coating be effected on internal surface of air-absorbing pipe 73 disposed in the front and on the back of the air-cleaner 72, more particularly, ceramics-coating be effected on internal surfaces of bent portion and air-intake port of the air-absorbing pipe 73 being exposed to substantial fluid resistance by applying ceramics mainly comprising silicon. It is also possible to provide an air-absorption promoting means 74 between the air-cleaner 72 and air-intake port of the air-absorbing pipe 73.
  • the air-absorption promoting means 74 has such a structure incorporating a cylindrical container being filled with ceramics balls mainly comprising silicon so that fluid resistance caused by absorbed fresh air cannot be raised while preserving such a dimension of sectional area of the container enough to secure sufficient volume of incoming fresh air. It was confirmed that absorbed air can be further activated and accelerated by enabling absorbed fresh air to pass through ceramics balls mainly comprising silicon. It is also recommended that coating be effected with ceramics mainly comprising silicon on a predetermined internal surface of the air-absorbing pipe 73 in a range from about 10cm to about 20cm from the air-intake port, for example. It was confirmed that such phenomenon causing absorbable volume of fresh air to be increased was generated by effect of the above processes.
  • air-absorption promoting means 76 may be of such a device capable of conducting absorbed fresh air in the form of helicoid flow.
  • a plurality of helically formed helicoid plates 78 are set to air-intake port. Ceramics balls 80 are secured to internal surface of a circular cylindrical member 79 with a meshed member 81 to internally hold a plurality of helicoid plates 82. Accordingly, after passing through the air intake port, absorbed air is helically led by the helicoid plates 78 and then flows through internal surface of the circular cylindrical member 79 via centrifugal force. Absorbed fresh air is brought into contact with the ceramics balls 80. Then, the absorbed fresh air is and simultaneously converted into helicoid flow by the helicoid plates 82, and finally, activated and accelerated fresh air is delivered to the air-absorbing manifold 68.
  • catalyzer unit 86 provided for any gasoline-combustion automobile be coated with ceramics. It is most preferred to coat internal surface of the catalyzer unit 86 with ceramics mainly comprising silicon, whereas it is most preferred that external surface be coated with zirconium oxide containing titanium dioxide. Likewise, it is desired that sub-muffler 88 and main muffler 90 shown in Fig. 4 be also coated with ceramics.
  • the above-referred ceramics-coating may be implemented by way of coating the objective surface for coverage with pulverized particles of ceramics via binder or with plasma-molten ceramics, and yet, no limitation is applied to the coating method.
  • the inventive thermal engine has thus been described by exemplifying an automotive engine. It should be understood however that it is not always necessary to treat all the above-referred components with ceramics, but treatment with ceramics may be executed against properly selected portions thereof.
  • the inventive thermal engine using fuel reformed by the invention, the engine 46 is driven, and yet, by properly covering or coating internal and external surfaces of appropriate portions of the air-absorption system 50 and the exhaust system 52 with ceramics. Test result proved that volume of emitted carbon monoxide, carbon dioxide, nitrogen oxide, and hydrocarbon, drastically decreased. Furthermore, it was also confirmed that the muffler 90 emitted increased volume of water vapor or water drops compared to the volume emitted via conventional cases, and yet, it was confirmed that volume of emitted nitrogen oxide decreased to less than one half the conventional cases.
  • flow volume of absorbed fresh air becomes more equivalent to the flow volume of exhaust gas to drastically promote fuel consumption efficiency of the engine in the high-rotational range while driving a truck under loaded condition, thus drastically promoting output power and fuel cost economy, and yet, drastically purifying exhaust gas as well.
  • the fuel-reforming device 60 and the heating device 62 of the fuel-supply system 48 can integrally be structured. Furthermore, it is possible for the invention to compose the fuel-supply system 48 based on such a structure in which a heater is disposed in the periphery of a zigzag-formed fuel-supply pipe 58, and then, after heating fuel to a predetermined temperature degree, heated fuel is delivered to a fuel-reforming device filled with ceramics balls by way of passing therethrough via zigzag form so that fuel can eventually be reformed.
  • Available heater may be electrically heated via a battery or it may be heated by way of conducting heat from exhaust gas or the radiator. No restriction is applied to available heater.
  • Applicable scope of the invention is not merely limited to the above embodiments, but the inventive scope is properly variable in correspondence with automotive engine manufacturers and kind of automobiles.
  • Applicable scope of the invention is not only limited to liquefied fuel, but the scope of the invention can properly be applied to vaporized fuel as well.
  • zirconium oxide was applied to surface-coating of a gas-generator 96 for generating vaporized gas from liquefied butane gas fed from a gas cylinder 94, a gas-supply pipe 98, and a nozzle 100. It was confirmed from test result that the surface-coated nozzle 100 blew out flame by such a length longer than that was thus far measured from a conventional nozzle 100, and yet, flame temperature was raised. This is presumedly because gas was reformed by effect of far-infrared rays emitted from zirconium oxide.
  • the inventive art is effectively applicable not only to internal combustion engines such as automotive engines, but it can also be applied to thermal engines using every available fuel such as gasoline, light oil, kerosene, or crude petroleum, independent of liquefied form or vaporized form.
  • inventive method of reforming fuel, absorbed fresh air, and exhaust gas, the inventive fuel-reforming apparatus, and the inventive thermal engines are not merely limited to the above-exemplified embodiments, but the invention is also practicable by way of implementing a variety of improvements, modifications, and variations, based on knowledges of those skilled in the art without deviating from the fundamental scope of the invention.
  • bio-fuel reforming agent a product of Sun Life Chemical Laboratory
  • a high-speed agitator GP-25A, a product of Hitachi, Ltd.
  • the black ceramics balls mainly comprising silicon added to kerosene were chemically composed of the following: about 68% to 73% of silicon oxide, about 12% to 17% of magnesium oxide, about 6% to 9% of aluminium oxide, about 2% to 4% of calcium oxide, about 2% of titanium dioxide, about 2% of potassium oxide, and a certain amount of ferric oxide and sodium oxide.
  • the above-referred ceramics containing a negligible amount of radioactive element was composed of aluminium oxide, silicon dioxide, zirconium oxide, Rb 2 O, La 2 O 3 , Pr 6 O 2 , and Kr.
  • blend ratio of respective constituents was not certainly known. Of those elements and compound added to kerosene, it was not known which one of them possibly contributed to reformation of fuel, and thus, further study is expected.
  • the air-absorption promoting means 74 was made of stainless steel sheets formed into porously punched metals, with which 3 of box-form containers each having 12mm of height, 250mm of total length, and 51mm of width were fabricated. The box-form containers were then loaded with said ceramics balls, and then secured inside of the air-cleaner 72 of the air-absorption system. Ceramics balls for covering external surface of the exhaust manifold 84 were secured to external surface thereof with wire nets made of stainless steel.
  • the truck engine was ignited, and then density of nitrogen oxide, oxygen, and hydrocarbon was measured from exhaust gas.
  • Density of nitrogen oxide was measured in accordance with JIS B-7982 (1988) prescribing chemi-luminescence method based on mobile form.
  • Density of oxygen was measured in accordance with JIS B-7983 (1979) prescribing electrochemical method using zirconia.
  • Density of hydrocarbon was measured in accordance with JIS D-1030 (1976) prescribing analysis via ionization of hydrogen flame.
  • the above analytical survey was carried out by Environmental Engineering Division of Chugai Technos Co., Ltd.
  • internal surfaces of the absorbed-air manifold 68 and the exhaust manifold 84 were also coated with ceramics mainly comprising silicon, whereas external surfaces of the absorbed-air manifold 68 and the exhaust manifold 84 were respectively coated with ceramics mainly comprising zirconium oxide containing titanium dioxide.
  • test car After starting up the engine, the test car was driven forward. The time spent for running the car in a range of 400 meters was counted for 3 rounds, and then mean value was counted to be 20.79 seconds.
  • a densitometer MEXA324G, a product of Horiba Seisakusho, Co., Ltd.
  • density of carbon monoxide and hydrocarbon was measured in presence of a third party. Analyzed values were below measurable threshold value.
  • output power tester a product of Bosche
  • PET-2100 digital revolution meter
  • PS output power
  • rpm the number of maximum revolution
  • test-run road with the least number of signal lamps permitting repeated reproduction of identical test condition therethrough was selected. After driving the test car by 132 kilometers, consumed volume of fuel was measured to be 9.49 liters. The test-car ran the road at a rate of 13.91km per liter of gasoline. Test results are shown in Table 3.
  • test-car ran for Example 4 without loading and coating with the inventive ceramics balls, a test run was executed under the condition identical to that was applied to Example 4. Test results are also shown in Table 3.
  • inventive treatment was effected for the fuel tank, air-absorption system , and the exhaust system.
  • test-motorbicycle was driven forward, and then, time spent for running 200 meters of distance was counted for 3 rounds. As a result of checking mean value, it was found to be 15.86 seconds. Next, using a digital revolution meter (PET-2100, a product of Oppama Industrial Co., Ltd.) and a densitometer (MEXA324J, a product of Horiba Seisakusho, Ltd.), the number of maximum revolution (rpm) and density of hydrocarbon were measured. Results of analysis are shown in Table 4.
  • Example 5 Using the test-motorbicycle ran for Example 5, an experiment was carried out without effecting the treatment with the inventive ceramics. Results of the experiment carried out under the condition identical to that was applied to Example 5 are also shown in Table 4. As is apparent from Table 4, as a result of setting the inventive ceramics balls, density of hydrocarbon drastically lowered, and conversely, the number of maximum revolution drastically increased.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
EP96102728A 1996-02-23 1996-02-23 Méthode de réformation de carburant appareil de reformage de carburant et moteur thermique Withdrawn EP0791745A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP96102728A EP0791745A1 (fr) 1996-02-23 1996-02-23 Méthode de réformation de carburant appareil de reformage de carburant et moteur thermique
CA002171419A CA2171419A1 (fr) 1996-02-23 1996-03-08 Appareil de reformage de combustible, moteur thermique et methode connexe

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Application Number Priority Date Filing Date Title
EP96102728A EP0791745A1 (fr) 1996-02-23 1996-02-23 Méthode de réformation de carburant appareil de reformage de carburant et moteur thermique
CA002171419A CA2171419A1 (fr) 1996-02-23 1996-03-08 Appareil de reformage de combustible, moteur thermique et methode connexe

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EP0791745A1 true EP0791745A1 (fr) 1997-08-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1178206A1 (fr) * 2000-02-16 2002-02-06 Motonari Koyama Promoteur de combustion et procéde d'utilisation
CN110325727A (zh) * 2017-03-02 2019-10-11 罗德里戈·柯基斯桑切斯孔查 用于优化催化合金的性能并改善其消除烃类燃料中的微生物污染物的性质的流体力学系统

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CN110325727A (zh) * 2017-03-02 2019-10-11 罗德里戈·柯基斯桑切斯孔查 用于优化催化合金的性能并改善其消除烃类燃料中的微生物污染物的性质的流体力学系统
CN110325727B (zh) * 2017-03-02 2022-04-05 罗德里戈·柯基斯桑切斯孔查 催化合金的流体力学系统

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