WO1999020887A1 - Appareil de traitement d'air de combustion pour moteurs a combustion - Google Patents

Appareil de traitement d'air de combustion pour moteurs a combustion Download PDF

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Publication number
WO1999020887A1
WO1999020887A1 PCT/JP1998/004721 JP9804721W WO9920887A1 WO 1999020887 A1 WO1999020887 A1 WO 1999020887A1 JP 9804721 W JP9804721 W JP 9804721W WO 9920887 A1 WO9920887 A1 WO 9920887A1
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WIPO (PCT)
Prior art keywords
air
combustion
air treatment
combustion engine
treatment device
Prior art date
Application number
PCT/JP1998/004721
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English (en)
Japanese (ja)
Inventor
Yukimasa Sunami
Original Assignee
Honjo Corporation
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Publication date
Application filed by Honjo Corporation filed Critical Honjo Corporation
Publication of WO1999020887A1 publication Critical patent/WO1999020887A1/fr

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Classifications

    • 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
    • F02M27/02—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by catalysts
    • 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
    • F02M27/04—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by electric means, ionisation, polarisation or magnetism
    • F02M27/045—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by electric means, ionisation, polarisation or magnetism by permanent magnets

Definitions

  • the present invention relates to a combustion air treatment device for a combustion engine. More specifically, the present invention relates to a device for treating air used for combustion in an external combustion engine such as a boiler or a generator, in addition to an internal combustion engine such as an automobile engine. Background art
  • Air pollution is regarded as a representative example of pollution problems.In particular, it is urgently necessary to develop equipment that can significantly reduce harmful exhaust gas and black smoke emitted from automobiles, especially diesel vehicles. It has been.
  • a device for reforming fuel used in a combustion engine has been developed as a device for reducing the amount of harmful gas exhausted.
  • a device which imparts strong magnetism to flowing fuel divides the fuel and makes it easy to burn, thereby preventing incomplete combustion.
  • impurities contained in the fuel are agglomerated by magnetism, so-called clogging of the fuel is caused, thereby causing troubles such as incomplete combustion or stop of the combustion engine. There was something.
  • an electrode in which a cylindrical negative electrode is inserted into a cylindrical positive electrode in a magnetic field formed by a permanent magnet is arranged.
  • a positive electrode and a negative electrode are rubbed by an air flow of combustion air to discharge static electricity, and to mix generated cations and anions into combustion air (Japanese Patent Laid-Open No. Hei 6 (1994) -101). No. 81731).
  • An object of the present invention has been made in view of the above-mentioned conventional technology, and an object of the present invention is to provide a combustion air treatment device that exhibits a constant treatment efficiency of combustion air irrespective of fluctuations in the flow rate of combustion air.
  • Another object of the present invention is to reduce the amount of harmful components, mainly nitrogen oxides, carbon monoxide, and ternary components of hydrocarbons, contained in exhaust gas discharged from a combustion engine without causing fuel-related problems.
  • Another object of the present invention is to provide a device capable of reducing the amount of black smoke discharged and improving the combustion efficiency.
  • An air inlet and a processing air outlet are provided, and a pair of 1000 gauss or more is provided in the processing apparatus main body in which the air inlet and the processing air outlet communicate with each other through an air passage with an air passage therebetween.
  • a permanent magnet that generates a magnetic field of the type described above is disposed so that the same poles face each other, an air treatment material having an aluminum surface in the air passage, and a far-infrared radiation material layer formed in at least an inner surface of a pipe.
  • a combustion air treatment device for a combustion engine in which an air stabilizing material loaded with a reduction catalyst is disposed with a gap provided.
  • FIG. 1 is a schematic cross-sectional view showing one embodiment of a combustion air treatment device for a combustion engine of the present invention.
  • FIG. 2 is a schematic sectional view showing one embodiment of an air stabilizing material used in the combustion air treatment device for a combustion engine of the present invention.
  • FIG. 3 is a schematic cross-sectional view showing one embodiment of an air stabilizing material used in the combustion air treatment device for a combustion engine of the present invention.
  • FIG. 4 is a schematic sectional view showing one embodiment of a means for fixing an air treatment material or an air stabilizing material used in a combustion air treatment device for a combustion engine of the present invention to a treatment device main body.
  • a combustion air treatment device for a combustion engine includes an air inlet and a treated air outlet, and the treatment device in which the air inlet and the treated air outlet communicate with each other via an air passage.
  • An air stabilizing material loaded with a reducing catalyst is provided in a pipe having at least an inner layer with a gap provided in it.o
  • FIG. 1 is a schematic cross-sectional view in a horizontal direction of a combustion air treatment device for a combustion engine of the present invention.
  • reference numeral 1 denotes a processing apparatus main body.
  • the material constituting the processing apparatus body 1 include aluminum, stainless steel, iron, copper, and brass, but the present invention is not limited to only such materials.
  • aluminum is suitable for use because it is light in weight and, for example, responds to the demand for lighter weight of automobiles and the like, thereby improving fuel efficiency.
  • the shape and size of the processing apparatus main body 1 are not particularly limited.
  • the shape is not particularly limited. The shape is
  • Examples thereof include a rectangular tube shape and a cylindrical shape. Such a shape is the combustion air of the present invention. What is necessary is just to determine suitably according to the use of a processing apparatus. Further, the size of the processing apparatus main body 1 may be appropriately determined according to the use of the combustion air processing apparatus of the present invention, similarly to the shape. As an example, when the combustion air treatment device of the present invention is used for treating combustion air of an internal combustion engine such as an automobile engine, for example, the length is about 10 to 50 cm and the width is 5 to 30 cm. Degree and height should be about 10 to 30 cm.
  • the processing apparatus main body 1 has an air inlet 2 and a processing air outlet 3. The air inlet 2 and the treated air outlet 3 are connected via an air passage 4.
  • Air combusted by the internal combustion engine is introduced from the air inlet 2 in the direction of arrow A. After the air is processed in the air passage 4 in the processing device body 1, it is discharged from the treated air outlet 3 in the direction of arrow B. Is done. Meanwhile, in order to prevent air from leaking from the processing apparatus main body 1, the processing apparatus main body 1 is configured to be a closed system except for the air inlet 2 and the processing air outlet 3.
  • An air treatment material 5 having an aluminum surface, an air stabilization material 6 having a reduction catalyst inserted in at least a pipe having a far-infrared radiation material layer formed on an inner surface thereof, in an air passage 4 in the treatment device body 1. are provided with a gap.
  • the combustion air treatment device of the present invention has one significant feature in that the air treatment material 5 and the air stabilization material 6 are independently disposed in a non-contact state.
  • the use of the air treatment material 5 in the air passage 4 suppresses the occurrence of incomplete combustion during operation of the combustion engine, thereby improving fuel efficiency. Is expressed.
  • the reason why the use of the air treatment material 5 suppresses the occurrence of incomplete combustion is not clear at present, but is presumed to be as follows.
  • oxygen molecules do not exist in a dispersed manner but in the form of aggregates of oxygen atoms. ing.
  • oxygen atoms are aggregated, When the combustion engine is operated, not all oxygen atoms are completely burned in the combustion chamber, but some oxygen atoms remain without burning, triggering incomplete combustion. It is considered something.
  • the combustion air combusted in the combustion chamber comes into contact with the air treatment material 5 disposed in the air passage 4 in the air passage 4.
  • the condensed oxygen atoms contained in the air come into contact with the aluminum provided on the surface of the air treatment material 5.
  • Such aluminum is very unstable with respect to oxygen, and when it comes into contact with oxygen, an oxidation reaction occurs quickly. Therefore, when a part of the aggregated oxygen atoms comes into contact with the aluminum, the formula:
  • the air treatment material 5 has aluminum on its surface.
  • the substrate of the air treatment material 5 is not particularly limited.
  • Examples of the base material of the air treatment material 5 include an aluminum base material, a metal material such as copper and brass, and a base material having an aluminum layer in which aluminum is adhered to a ceramic surface by vapor deposition or the like. Materials.
  • the shape of the air treatment material 5 is not particularly limited, and examples thereof include a plate shape, a rod shape, a pipe shape, and a honeycomb shape.
  • the surface area of the aluminum portion of the air treatment material 5 is preferably as large as possible. From this point of view, reduction of costs such as processing costs, and reduction of air resistance, in the present invention, it is preferable to use an aluminum pipe as the air treatment material 5. preferable.
  • the size of the air treatment material 5 is not particularly limited, and is usually large enough to be accommodated in the treatment apparatus main body 1 and large enough not to obstruct the passage of air passing through the air passage 4.
  • a typical example is an aluminum pipe having an outer diameter of about 5 to 3 Omm and an inner diameter of about 0.3 to 25 mm.
  • a through hole 7 is provided in the air treatment material 5 or a slit 8 is provided to penetrate the inside, so as to increase the contact area with the air. Air may also be brought into contact with the inner surface of the gas treatment material 5.
  • two or more air treatment materials 5 are connected through a spacer 9 and the spacer 9 is provided.
  • a gap 10 may be formed in a portion where the air treatment material 5 flows from the gap 10.
  • the number of the air treatment materials 5 provided in the air passage 4 differs depending on the application and size of the combustion air treatment device of the present invention, and the size and shape of the air treatment material 5 and is therefore generally determined. Can not do it.
  • the application of the combustion air treatment device of the present invention is an internal combustion engine such as an automobile engine, and an aluminum hollow pipe having an outer diameter of about 3 to 10 mm is used as the air treatment material 5, It may be about 5 to 30 pieces.
  • the arrangement of the hollow pipes in the air passage 4 is a so-called zigzag shape, that is, an air treatment material 5 and an air stabilization material, as shown in FIG. 6 is preferably provided with a gap in a non-contact state.
  • the coagulated oxygen atoms in the air react with the aluminum of the air treatment material 5 to generate aluminum oxide.
  • the condensed oxygen atoms are dissociated into dispersed oxygen molecules, so that they can be burned efficiently.
  • the air stabilizing material 6 is used in the combustion air treatment device of the present invention, and the air stabilizing material 6 generates nitrogen oxides NO x, carbon monoxide, hydrocarbons, and the like. An excellent effect of being able to suppress the occurrence of the above is exhibited.
  • the air stabilizing material 6 has a reducing catalyst, and the reducing catalyst imparts a reducing property to air.
  • the air provided with such reducing properties acts to rapidly and completely burn the fuel even in a low temperature state. Therefore, before the nitrogen oxide NOx, which is generated by the reaction between oxygen and nitrogen at a high temperature, is generated, the air provided with the reducing property rapidly and completely burns the fuel. As a result, the air is consumed when fuel is burned, so that the amount of nitrogen oxides NOx generated by the reaction between oxygen and nitrogen is suppressed.
  • oxygen that is originally involved in the reaction with nitrogen is given a reducing property, the oxygen is involved in the reaction with carbon monoxide and hydrocarbons in the fuel and is consumed. It no longer participates in the reaction with nitrogen.
  • oxygen reacts with carbon monoxide to form carbon dioxide, and also reacts with hydrocarbons to form carbon dioxide and water, so that the amount of exhausted nitrogen oxides NOx, carbon monoxide, and hydrocarbons It is considered that the amount can be reduced.
  • a far-infrared radiating material layer is provided on the inner surface of the air stabilizing material 6, and far-infrared rays generated from the far-infrared radiating material layer are directly irradiated to the reduction catalyst.
  • the oxidation of nitrogen gas and the like contained in the air to nitrogen oxides is significantly suppressed. An excellent effect of being controlled is exhibited.
  • the far-infrared ray generated from the far-infrared radiating material layer is constantly radiated to the reduction catalyst, so that the processing capacity of the combustion air is maintained almost constant regardless of the fluctuation of the flow rate of the combustion air. be able to.
  • the reduction catalyst may be heated by combustion heat generated when the combustion engine is operating.
  • the combustion engine and the reduction catalyst may be connected by a heat pipe or the like so that the combustion heat propagates to the reduction catalyst, or the combustion air treatment device may be directly contacted with the combustion engine. .
  • the reduction catalyst refers to one having a property of imparting reducibility to air.
  • reduction catalyst examples include, for example, platinum (Pt), palladium (Pd), rhodium (Rh), and the like, and these can be used alone or in combination of two or more.
  • the use form of the reduction catalyst is not particularly limited in the present invention.
  • the reduction catalyst may be used in a plate form as it is, may be used by being supported on a far-infrared radiating material, or may be used in a powder form.
  • a plate-shaped reduction catalyst is preferable in the present invention because it can be used as it is without any particular processing.
  • the amount of the reduction catalyst to be used cannot be unconditionally determined because it varies depending on the use and size of the combustion air treatment device of the present invention, the form of the reduction catalyst, and the like.
  • the amount of the reduction catalyst used depends on the type of the reduction catalyst and the like. Although it is not possible, usually, it should be about 0.1 to 10 g, preferably about 0.3 to 5 g per 100 O ml of displacement of the internal combustion engine.
  • the reduction catalyst is preferably used in contact with a far-infrared radiation material.
  • the far-infrared radiating material itself has a property of radiating far-infrared rays.
  • the far-infrared radiating material include, for example, titania ceramic, glass ceramic, alumina ceramic, zirconia ceramic, beryllia ceramic, magnesia ceramic, gay nitride ceramic, nickel oxide ceramic, boron nitride ceramic, Examples include yttria ceramics and gay carbide.
  • titania ceramics can be particularly preferably used in the present invention because they significantly increase the activity of the reduction catalyst.
  • the far-infrared radiating material may be, for example, a sintered body obtained by sintering in a predetermined shape, or by spraying or coating a pipe made of a metal such as aluminum, copper, iron, or brass. It may be a formed film. Among them, those in which a coating of a far-infrared radiating material such as titania ceramic is formed on an aluminum base material have high mechanical strength and are lightweight, so that they are preferably used in the present invention. It is a good thing.
  • the thickness of the coating of the far-infrared radiating material is usually preferably about 50 to 10 O ⁇ m from the viewpoints of far-infrared radiation and usability.
  • the far-infrared radiation material layer is provided on at least the inner surface of the pipe forming the air stabilizing material 6. In some cases, the far-infrared radiation material layer may be provided not only on the inner surface of the pipe but also on the outer surface.
  • the pipe-shaped far-infrared radiating material can produce the air stabilizing material 6 only by inserting the reduction catalyst into the hollow portion thereof, and is suitable in the present invention from the viewpoint of industrial productivity. It can be used for
  • the amount of the far-infrared radiating material used depends on its type and the like, and thus cannot be unconditionally determined. Usually, the amount of the far-infrared radiating material used is selected such that the catalytic activity of the reduction catalyst is enhanced by the far-infrared radiation emitted from the far-infrared radiating material. For example, when the far-infrared radiating material is titania ceramic, the amount of the catalyst used is determined by the catalytic activity per liter of the internal volume of the combustion air treatment device for a combustion engine of the present invention.
  • 0.5 g or more preferably 1 g or more.
  • it is not more than 5 g.
  • the reduction catalyst used in the present invention is coated with a far-infrared radiating material, or when the far-infrared radiating material is a pipe formed on the surface of a metal pipe, the reduction catalyst is contained in the pipe. Can be used.
  • the far-infrared radiating material layer When using a pipe in which the far-infrared radiating material layer is formed on at least the inner surface, for example, as shown in FIG. However, it may be inserted into a space in the air stabilizing material 6 in which a far-infrared radiation material layer is formed on at least the inner surface. Also, in order to allow air to enter the air stabilizer 6 and make sufficient contact with the reduction catalyst 11, two or more air stabilizers 6 are connected through the spacer 12. The space 13 may be connected to form a gap 13 in a portion where the spacer 12 is provided, and air may flow into the air stabilizing material 6 from the gap 13. 6 may be provided with through holes 14 and through slits 15 as appropriate.
  • the number of air stabilizers 6 provided in the air passage 4 varies depending on the use and size of the combustion air treatment device of the present invention, and the size and shape of the air stabilizers 6. Can not be determined.
  • the application of the combustion air treatment device of the present invention is an internal combustion engine such as an automobile engine, and a hollow pipe having an outer diameter of about 3 to 1 Omm is used as the air stabilizing material 6, It may be about 30.
  • the arrangement of the hollow pipes is so-called staggered, that is, the air treatment material 5 and the air stabilization material 6 are not in contact with each other, as shown in FIG. It is preferable that a gap is provided in this state.
  • the air treatment material 5 and the air stabilization material 6 are not arranged in contact with each other, but are arranged so as to be alternately adjacent to each other with a gap provided.
  • the distance between the air treatment material 5 and the air stabilizing material 6 adjacent to each other is about 3 to 10 mm, preferably about 3 to 5 mm.
  • An air passage 4 is formed in the processing apparatus main body 1, and a pair of permanent magnets 19a and 19b that generate a strong magnetic field of 1000 gauss or more through the air passage 4 include: The poles are arranged so as to face each other.
  • a pair of permanent magnets 19a and 19b that generate a pair of extremely strong magnetic fields of 1000 Gauss or more are arranged so that the same poles face each other. Also has one major feature.
  • the magnets 19a and 19b are arranged so that the same poles face each other, so that the magnetic field formed is They are close to each other near the center between the magnets 19a and 19b.
  • Oxygen ions generated when the aggregated oxygen atoms react with aluminum have the property of being moved by a magnetic field, unlike oxygen molecules. Therefore, the oxygen ions are attracted near the center between the magnets 19a and 19b by the magnetic field generated from the magnets 19a and 19b. In this way, oxygen ions are attracted near the center between the magnets 19a and 19b As is conventionally known, it is possible to expect a certain effect of treating the combustion air.
  • oxygen ions are simply generated by the magnets 19a, 1 In addition to being attracted near the center between 9b, oxygen ions are separated from the condensed oxygen atoms, which dissociates the condensed oxygen atoms and forms non-coagulated oxygen molecules. It is considered that such oxygen molecules without coagulation have an excellent effect of preventing incomplete combustion of fuel in the combustion engine.
  • the magnetic force generated by the magnets 19a and 19b is 100 gauss or more, and preferably 1200 gauss or more, from the viewpoint of sufficiently exhibiting the effect of disaggregating the aggregated oxygen atoms. It is said.
  • Examples of permanent magnets that generate such a strong magnetic field include titania magnets and neodymium magnets. Among these magnets, neodymium magnets have a very large magnetic force of more than 1200 gauss, and are extremely excellent in the effect of unraveling the condensed oxygen atoms. And can be suitably used.
  • the magnets 19a and 19b are arranged so that the same poles are opposed to each other so that lines of magnetic force collide with each other near the center between the magnets 19a and 19b.
  • the opposed magnets 19a and 19b are N poles, there is an advantage that oxygen ions generated between the two magnets are easily focused around the center of the air passage 4.
  • the size of the magnets 19a and 19b is not particularly limited, and may be appropriately selected and used according to the use of the combustion air treatment device of the present invention.
  • the length of the magnets 19a and 19b is 8 to 40. cm and a width of about 8 to 25 cm.
  • the distance between the two magnets 19a and 19b cannot be determined unequivocally because they differ depending on the strength of the magnetic lines of force of the magnets 19a and 19b. Normally, however, it should be about 5 to 30 cm.
  • the combustion air treatment device of the present invention is configured.
  • the shape and the diameter of the air inlet 2 and the processing air outlet 3 may be appropriately adjusted according to the type of the combustion engine, and are not particularly limited.
  • the installation location of the combustion air treatment device of the present invention is not particularly limited.
  • the combustion air treatment device when installed in an engine room of an automobile, it may be installed between an air filter and an intake manifold of the engine.
  • the combustion air treatment device of the present invention reduces emissions of harmful components, mainly ternary components of nitrogen oxides, carbon monoxide and hydrocarbons, and black smoke contained in exhaust gas discharged from a combustion engine, Moreover, since the combustion efficiency can be increased, it can be suitably used, for example, in internal combustion engines such as automobile engines, and external combustion engines such as boilers and generators.
  • FIG. 1 As the combustion air treatment device, one having a structure as shown in FIG. 1 was used.
  • aluminum processing equipment body 1 vertical: 15 O mm, height: 150 mm, length: 24 O mm, cuboid, air inlet 2 with diameter: 125 mm on the side And a processing air outlet 3 with a diameter of 10 O mm are provided.
  • a pair of neodymium magnets 18 a, 18 b (length: 20 O mm, width: 5 O mm.
  • Thickness 5 mm, magnetic force: 1200 Gauss
  • the air passage 4 is provided with an air treatment material 5 [aluminum pipe, outer diameter: 1 Omm, Inside diameter: 8 mm, length: 4 Omm] 4 5 pieces, and air stabilizing material 6 [outside diameter: 1 Omm, inside diameter: 8 mm, length: 4 Omm]
  • a pipe with a ceramic layer is provided, and a lum, 20 mm long, 5 mm wide width plate (reduction catalyst) is wound around the pipe and inserted into the pipe. 7.5 mm
  • the combustion air treatment devices provided at equal intervals were used.
  • the combustion air treatment equipment was mounted on the vehicle, and the emission of ternary components (carbon monoxide, hydrocarbons and nitrogen oxides) and the concentration of black smoke in the exhaust gas were examined in the following manner.
  • the test was performed without installing the processing apparatus.
  • Exhaust gas components during full load running are sampled and measured on the chassis dynamo in the diesel 10 mode operation pattern.
  • the exhaust gas at full load running was sampled on the chassis dynamo in the operation pattern of the diesel 10 mode, and the black was collected. Measure smoke density.
  • the amount of fuel used after full-load driving and the amount of fuel used after no-load driving are determined on the chassis dynamo in the operation pattern of the diesel 10 mode.
  • a comparative test is conducted before and after the installation of the combustion air treatment equipment.
  • Example 1 the test vehicle used was Nissan Diesel Co., Ltd., P-LG54VRF8, total mileage: 65,200 9 km), and the mileage at the time of measurement: about 700 km.
  • the test was performed in the same manner as in Example 1 except that the speed was set to about 10 O kmZh. The results are shown in Table 2.
  • the ternary component amount was measured according to the following method.
  • the load of the vehicle is measured on a large shear dynamo owned by the Japan Automobile Research Institute [Tsukuba, Ibaraki] to measure the ternary component amount.
  • Example 1 Nissan Diesel Co., Ltd., P-CW6 7GT RF10, total mileage: 447098 km) was used as a test vehicle, and the mileage at the time of measurement was about 700 km, and the average continuous running speed was about The test was performed in the same manner as in Example 1 except that the value was set to 10 OkmZh.
  • the ternary component amount was measured in the same manner as in Example 2, and the fuel consumption was examined according to the following method. The results are shown in Table 3.
  • the combustion air treatment device was installed on a test vehicle, and the fuel economy when traveling from Osaka to Tsukuba through a Meishin, Tomei, and Metropolitan Expressway (average speed: about 100 km) was approximately 650 km. And a combustion air treatment system attached to the test vehicle, and the fuel economy when traveling about 650 km from Tsukuba City to Osaka City via the capital, Tomei, and Meishin Expressways (average speed: about 100 kmZh). measure.
  • Example 1 the test vehicle used was Hino Motors, Ltd., P-FD 176 BK H07C, total mileage: 36 1 292 km), and the mileage at the time of measurement: about 700 km.
  • the test was performed in the same manner as in Example 1 except that the continuous traveling speed was set to about 10 O kmZh.
  • the ternary component amount was measured in the same manner as in Example 2, and the fuel consumption was measured in the same manner as in Example 3. The results are shown in Table 4.
  • Example 1 as a test vehicle, P-FRR12HA6BG1, manufactured by Isuzu Motors Co., Ltd., total mileage: 12044 5 km), mileage at the time of measurement: approximately 700 km, average continuous running
  • the test was performed in the same manner as in Example 1 except that the speed was set to about 100 kmZh. Table 5 shows the results.
  • the ternary component amount was measured in the same manner as in Example 2, and the fuel consumption was measured in the same manner as in Example 3.
  • the combustion air treatment device for a combustion engine of the present invention reduces the amount of harmful components, mainly nitrogen oxides, carbon monoxide and hydrocarbons, contained in exhaust gas discharged from the combustion engine, and furthermore, improves the combustion efficiency. Can be enhanced. Therefore, the combustion air treatment device for a combustion engine of the present invention is suitably used as an apparatus for treating air used for combustion in an internal combustion engine such as an automobile engine, or in an external combustion engine such as a boiler or a generator. It is possible.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

La présente invention concerne un appareil de traitement d'air de combustion pour des moteurs à combustion, comprenant un corps d'appareil de traitement pourvu d'un orifice d'introduction d'air et d'un orifice d'évacuation d'air traité communiquant l'un avec l'autre via un passage d'air. Le corps de l'appareil est pourvu d'un élément de traitement d'air dans lequel deux aimants permanents générant un champ magnétique d'un minimum de 10 000 gauss, sont placés dans le passage d'air de sorte que les mêmes pôles de ces aimants sont opposés l'un à l'autre. Le corps de l'appareil comprend également des surfaces d'aluminium dans le passage d'air, et un élément de stabilisation d'air distant de l'élément de traitement d'air, formé en introduisant un catalyseur de réduction dans un tuyau possédant une couche d'une matière de rayonnement infrarouge, sur au moins une surface intérieure de celui-ci. Cet appareil est capable de développer une efficacité constante dans le traitement d'air de combustion quelle que soit la variation du débit de l'air de combustion, ce qui réduit la quantité des composants nuisibles, c'est-à-dire des composants ternaires, notamment de l'oxyde d'azote, du monoxyde de carbone et des hydrocarbures contenus dans un gaz d'échappement d'un moteur à combustion ainsi que la quantité de fumée noire d'échappement sans occasionner de problème de carburant, et tout en améliorant l'efficacité de la combustion.
PCT/JP1998/004721 1997-10-22 1998-10-19 Appareil de traitement d'air de combustion pour moteurs a combustion WO1999020887A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013010197A1 (fr) * 2011-07-18 2013-01-24 Eu-Trucktec Gmbh Dispositif de préparation de sources d'énergie gazeuses ou liquides

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JPH0734893A (ja) * 1993-07-13 1995-02-03 Mitsutoshi Okamura 内燃機関用燃焼促進方法及び装置
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JPH01163454A (ja) * 1987-12-18 1989-06-27 Etsuro Fujita 空気・燃料活性化材
JPH01253558A (ja) * 1988-04-02 1989-10-09 Mitsubishi Heavy Ind Ltd 燃焼機関の給気装置
JPH0734893A (ja) * 1993-07-13 1995-02-03 Mitsutoshi Okamura 内燃機関用燃焼促進方法及び装置
JPH0742633A (ja) * 1993-08-04 1995-02-10 Yuugiyokuen Ceramics:Kk 内燃機関及びそれを用いた輸送装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013010197A1 (fr) * 2011-07-18 2013-01-24 Eu-Trucktec Gmbh Dispositif de préparation de sources d'énergie gazeuses ou liquides

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