WO2014122686A1 - Procédé ainsi que dispositif favorisant la combustion, et moteur thermique - Google Patents

Procédé ainsi que dispositif favorisant la combustion, et moteur thermique Download PDF

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Publication number
WO2014122686A1
WO2014122686A1 PCT/JP2013/000617 JP2013000617W WO2014122686A1 WO 2014122686 A1 WO2014122686 A1 WO 2014122686A1 JP 2013000617 W JP2013000617 W JP 2013000617W WO 2014122686 A1 WO2014122686 A1 WO 2014122686A1
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WO
WIPO (PCT)
Prior art keywords
combustion
piezoelectric element
fuel
magnet
magnetic field
Prior art date
Application number
PCT/JP2013/000617
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English (en)
Japanese (ja)
Inventor
康太郎 青木
Original Assignee
Aoki Koutarou
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aoki Koutarou filed Critical Aoki Koutarou
Priority to KR1020157023856A priority Critical patent/KR20150113186A/ko
Priority to JP2013535195A priority patent/JPWO2014122686A1/ja
Priority to PCT/JP2013/000617 priority patent/WO2014122686A1/fr
Priority to EP13874614.4A priority patent/EP2955363A4/fr
Priority to US14/156,971 priority patent/US20140220498A1/en
Publication of WO2014122686A1 publication Critical patent/WO2014122686A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C99/00—Subject-matter not provided for in other groups of this subclass
    • F23C99/001—Applying electric means or magnetism to combustion
    • 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
    • F02M27/06—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by rays, e.g. infrared and ultraviolet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2300/00—Pretreatment and supply of liquid fuel
    • F23K2300/10—Pretreatment
    • F23K2300/101—Application of magnetism or electricity

Definitions

  • the present invention relates to a combustion promoting method, a combustion promoting apparatus, and a heat engine for burning liquid fuel such as light oil or gaseous fuel.
  • Heat engines such as diesel engines and gasoline engines convert fuel combustion energy into kinetic energy such as mechanical energy. For this reason, the magnitude of kinetic energy depends on the combustion of fuel. Fuel combustion is affected by fuel, air, temperature, fuel / air mixing ratio, and the like. The energy converted from combustion also varies depending on the combustion speed of the fuel and the state of combustion. Therefore, if the combustion state changes, the kinetic energy converted from the combustion changes.
  • Patent Document 3 It is known that the combustion of fuel in a heat engine is affected by magnetic force and infrared rays other than fuel and air. Regarding the relationship between combustion and magnetic force and infrared rays, magnetic force and far infrared ray are applied to air (for example, Patent Document 1), far infrared ray is applied to fuel (for example, Patent Document 2), and magnetism is applied to air and fuel. (For example, Patent Document 3) is known.
  • the combustion efficiency of the fuel is the same, the combustion energy increases in proportion to the combustion amount, and if the combustion efficiency is high, the required fuel amount can be reduced. In other words, if the combustion efficiency is low, the amount of fuel increases if the same energy as in the case of high combustion efficiency is obtained. If the amount of fuel consumption increases, emissions of harmful substances such as carbon monoxide, hydrocarbons, and nitrogen oxides generated by combustion will increase, increasing the environmental burden and increasing costs.
  • electromagnetic waves of a specific wavelength in the far-infrared region cause a resonance phenomenon or resonance phenomenon in combustion active chemical species and contribute to the promotion of combustion.
  • electromagnetic waves including far-infrared rays can be obtained from piezoelectric materials.
  • a first object of the present invention is to improve the combustion of fuel based on the above knowledge and promote the combustion.
  • the second object of the present invention is to promote combustion and increase the energy obtained from combustion.
  • the combustion promoting method of the present invention is configured such that a piezoelectric element is installed in the vicinity of a combustion chamber for burning fuel, a magnetic field is applied to the piezoelectric element, and electromagnetic waves including far infrared rays generated in the piezoelectric element are generated. Radiates at least to the fuel in the combustion chamber. Thereby, combustion is activated, combustion is improved, and combustion can be promoted. As a result, fuel consumption is reduced.
  • the temperature of the piezoelectric element may be controlled by heating or cooling the piezoelectric element.
  • the temperature of the piezoelectric element When the temperature of the piezoelectric element is low, it may be heated so as to be within the above-described temperature range, and when the piezoelectric element is overheated, it may be cooled so as to be within that temperature range.
  • the piezoelectric element may be controlled in a temperature range of 40 ° C to 150 ° C.
  • the magnetic field may be a DC magnetic field or an AC magnetic field.
  • the magnetic flux density of the magnetic field applied to the piezoelectric element may be 50 mT to 300 mT.
  • a combustion promoting device is a combustion promoting device installed adjacent to a combustion chamber for burning fuel, and generates electromagnetic waves including far-infrared rays by the action of a magnetic field.
  • a piezoelectric element that radiates at least the fuel; and a magnet that applies the magnetic field to the piezoelectric element.
  • the combustion promoting device may further include a temperature control unit that heats or cools the piezoelectric element and controls the piezoelectric element to a temperature within a predetermined temperature range.
  • the magnet may be an electromagnet or a permanent magnet.
  • the combustion promoting device may preferably include a magnetic circuit including the magnet, and the piezoelectric element may be provided in a gap of the magnetic circuit.
  • a heat engine of the present invention is a heat engine that converts combustion of fuel into kinetic energy, a combustion chamber that burns fuel, and electromagnetic waves including far-infrared rays generated by the action of a magnetic field, A piezoelectric element that radiates electromagnetic waves to at least the fuel, and a magnet that causes the magnetic field to act on the piezoelectric element.
  • the heat engine may further include a temperature control unit that heats or cools the piezoelectric element and controls the piezoelectric element to a temperature within a predetermined temperature range.
  • the magnet may be an electromagnet or a permanent magnet.
  • the electromagnetic combustion including far infrared rays radiated from the piezoelectric element can improve the combustion of fuel and promote the combustion.
  • combustion efficiency is increased, combustion energy can be increased, fuel consumption can be reduced, and environmental load can be reduced.
  • FIGS. 1 and 2 show an example of a combustion apparatus according to the first embodiment.
  • the configuration illustrated in FIGS. 1 and 2 is an example, and is not limited to the configuration according to the present invention.
  • This combustion device 2-1 is an example of the combustion promotion method of the present invention.
  • the combustion device 2-1 includes a combustion promoting device 4 and a combustion chamber 6.
  • the combustion device 2-1 is, for example, a heat engine that burns fuel such as light oil.
  • the combustion chamber 6 is a space for burning the fuel F.
  • the combustion chamber 6 is supplied with fuel F and air BA for combustion.
  • the air BA contains oxygen necessary for combustion.
  • Exhaust gas FG generated by the combustion is discharged from the combustion chamber 6.
  • light oil is used as the fuel F.
  • air necessary for the combustion is supplied.
  • a mixture of gasoline and air may be used as the fuel F.
  • the combustion promoting device 4 includes a magnet 8, a magnetic yoke 10, a piezoelectric element 12, a temperature control unit 14, and an exterior member 16.
  • the magnet 8 generates a magnetic field M and causes the magnetic field M to act on the piezoelectric element 12.
  • the magnet 8 may be a permanent magnet or an electromagnet.
  • permanent magnet materials such as anisotropic ferrite magnets, isotropic ferrite magnets, neodymium magnets, samarium cobalt magnets, alnico magnets may be used, but other magnet materials may be used.
  • the magnetic field M obtained from the magnet 8 may be a static magnetic field or an alternating magnetic field.
  • the static magnetic field may be obtained by magnetizing a magnetic material by applying a direct current to a coil wound around the magnetic material.
  • an alternating current may be passed to magnetize the magnetic material.
  • the magnet 8 is formed in a cylindrical shape as an example.
  • the height H1 of the magnet 8 is smaller than the diameter ⁇ 1 (FIG. 2) of the magnet 8 (H1 ⁇ 1).
  • the magnet 8 may have a shape other than a cylindrical shape.
  • the magnet 8 if one cylindrical plane, that is, one of the end faces of the cylinder is an N pole, the other end face is an S pole. The magnetic flux emitted from the N pole reaches the S pole. That is, the magnetic field M is formed. When the magnet 8 is heated together with the piezoelectric element 12, a magnetic field M is generated within the heated temperature range.
  • the magnetic yoke 10 is magnetized by the magnet 8 and forms a magnetic circuit that allows the magnetic field M to be applied to the piezoelectric element 12 to pass therethrough.
  • the magnetic yoke 10 may be made of soft iron, for example.
  • the magnetic yoke 10 includes opposing portions 10-1, 10-2 and a bending portion 10-3.
  • the facing portions 10-1 and 10-2 are opposed to each other by a distance L by the bending portion 10-3.
  • These facing portions 10-1 and 10-2 have a rectangular shape with a width W and a depth D, for example.
  • the magnet 8 is installed between the facing portion 10-1 and the facing portion 10-2 of the magnetic yoke 10, and one surface of the magnet 8 is in close contact with the facing portion 10-1. If this close side is the N pole, the magnetic yoke 10 in close contact with the N pole is magnetized to the N pole, and the N pole appears on the inner surface side of the facing portion 10-2.
  • a magnetic field M is generated between the magnetic gap 18 between the north pole and the south pole of the magnet 8.
  • This magnetic field M is a parallel magnetic field.
  • the N pole side of the magnet 8 is arranged on the facing portion 10-1 side, but this is an example, and the S pole side may be arranged.
  • the piezoelectric element 12 has piezoelectricity.
  • This piezoelectric element 12 is, for example, a piezoelectric material such as quartz or langasite, a pyroelectric material such as tourmaline, lithium sulfate hydrate, heteropolar or the like, or Rochelle salt, barium titanate, lead zirconate titanate (for example, PZT: trade name) or the like.
  • the pyroelectric body is an example of a piezoelectric body and has piezoelectricity and pyroelectricity.
  • a ferroelectric is an example of a piezoelectric body and a pyroelectric body, and has piezoelectricity and pyroelectricity.
  • the piezoelectric element 12 when the magnetic field M is applied within a certain temperature range, the piezoelectricity or pyroelectricity or both of these functions are exhibited, and an electromagnetic wave E including far infrared rays is generated.
  • the piezoelectric element 12 only needs to have such a piezoelectric function, and may include properties other than piezoelectricity.
  • the piezoelectric element 12 is formed in a cylindrical shape as an example, as shown in FIG.
  • the height H2 of the piezoelectric element 12 is set to be smaller than the diameter ⁇ 2 of the piezoelectric element 12 (H2 ⁇ 2).
  • the shape of the piezoelectric element 12 may be a shape other than a cylindrical shape.
  • the piezoelectric element 12 is installed in a magnetic gap 18 between the facing portion 10-2 of the magnetic yoke 10 and the magnet 8. Thereby, the magnetic field M passes through the piezoelectric element 12.
  • the arrangement relationship between the piezoelectric element 12 and the magnet 8 may be such that the magnet 8 and the piezoelectric element 12 are in close contact with each other, or may be opposed to each other with a magnetic gap 18. That is, the parallel magnetic field M formed by the magnet 8 and the magnetic yoke 10 may be passed through the piezoelectric element 12. Further, the magnetic field M generated from the magnet 8 and converged on the magnetic yoke 10 may be passed through the piezoelectric element 12.
  • the diameter ⁇ 2 of the piezoelectric element 12 is set larger than the diameter ⁇ 1 of the magnet 8, but the diameter ⁇ 1 of the magnet 8 and the diameter ⁇ 2 of the piezoelectric element 12 may be the same size.
  • the diameter ⁇ 1 of the magnet 8 may be larger than the diameter ⁇ 2 of the piezoelectric element 12.
  • the temperature control unit 14 detects the temperature of the piezoelectric element 12 and controls the temperature of the piezoelectric element 12 within a certain temperature range by heating or cooling the piezoelectric element 12.
  • the exterior member 16 is an example of a casing that surrounds and covers the magnet 8, the magnetic yoke 10, the piezoelectric element 12, and the temperature control unit 14.
  • a space 20 is formed inside the exterior member 16, and the space 20 is controlled by the temperature control unit 14 to a certain temperature range. That is, the exterior member 16 suppresses heat radiation from the space 20 and heat from the outside.
  • a material that blocks the passage of heat such as a heat insulating member
  • a heat resistant heat insulating material such as glass wool, rock wool, or silicon foam may be used.
  • the exterior member 16 is also a heat retaining member.
  • combustion promoting function of the combustion promoting device 4 will be described for this combustion device 2-1.
  • the magnet 8 magnetizes the magnetic yoke 10, and the magnetic yoke 10 passes the magnetic flux from the magnet 8.
  • the magnetic flux emitted from one cylindrical plane of the magnet 8 passes through the magnetic yoke 10, is converged by the magnetic circuit of the magnetic yoke 10, and returns to the other cylindrical plane of the magnet 8.
  • a parallel magnetic field M is generated between the magnet 8 and the facing portion 10-2 of the magnetic yoke 10.
  • Magnetic flux passes through the piezoelectric element 12 placed in the magnetic field M. Since the piezoelectric element 12 is installed in the space 20 of the exterior member 16, the piezoelectric element 12 is controlled to a certain temperature range by the temperature controller 14.
  • an electromagnetic wave E including far-infrared rays is generated and radiated to the piezoelectric element 12 by the piezoelectric function.
  • the electromagnetic wave E that has passed through the exterior member 16 is radiated to the fuel F and the air BA in the combustion chamber 6.
  • the electromagnetic wave E acts on the molecules and particles of the fuel F and activates the molecules and particles.
  • the electromagnetic wave E having a specific wavelength in the far-infrared region radiated from the piezoelectric element 12 causes a resonance phenomenon or a resonance phenomenon for the combustion active chemical species of the fuel F. Such resonance phenomenon or resonance phenomenon promotes combustion of the fuel F. This is also disclosed in Non-Patent Document 1.
  • a piezoelectric body, a pyroelectric body, and a ferroelectric body have a characteristic of generating an electromagnetic wave E including far infrared rays.
  • the pyroelectric material and the ferroelectric material have a property of changing polarization according to a temperature change.
  • the magnetic flux density B of the magnetic flux generated by the magnet 8 may be approximately 50 [mT (millitesla)] or more, and when the magnetic flux density B is within this range, the combustion promoting action of the fuel F by the electromagnetic wave E is obtained. It is done.
  • the magnetic flux density B of 50 [mT] or more and 300 [mT] or less can be easily obtained by the magnetic material described above. If the magnetic flux density B is around 100 [mT] or more than 100 [mT], a sufficient magnetic flux density B can be obtained and the margin ratio becomes large. Therefore, the magnetic flux density B is preferably 50 [mT] or more and 300 [mT] or less, and preferably 100 [mT] or more and 300 [mT] or less.
  • the temperature T1 of the piezoelectric element 12 is preferably 40 [° C.] or higher and 150 [° C.] or lower. At the temperature T1 within this range, the combustion promoting action of the fuel F by the electromagnetic wave E becomes remarkable. Therefore, the temperature T1 is desirably 60 [° C.] or higher and 110 [° C.] or lower. At the temperature T1, the action of promoting the combustion of the fuel F by the electromagnetic wave E is enhanced. By this combustion promotion, the fuel F burns efficiently and contributes to the reduction of the consumption amount of the fuel F.
  • the generation of the electromagnetic wave E described above becomes significant. . Thereby, the combustion promotion of the fuel F is obtained and enhanced.
  • FIG. 3A shows an example of the temperature control unit 14.
  • the temperature control unit 14 includes a PTC (Positive Temperature Coefficient) thermistor 22 and a heat generating unit 24.
  • the heat generating part 24 is connected to the power source 26 via the PTC thermistor 22.
  • the power source 26 may be alternating current or direct current.
  • the PTC thermistor 22 is an example of a thermal control element.
  • the PTC thermistor 22 controls a current flowing from the power source 26 to the heat generating part 24 by heat sensitivity.
  • the resistance value of the PTC thermistor 22 changes with the reference temperature Tc as a boundary.
  • the resistance value of the PTC thermistor 22 exhibits reversibility such that when the detected temperature exceeds the reference temperature Tc, it rapidly increases, and when the detected temperature falls below the reference temperature Tc, it rapidly decreases.
  • the heat generating unit 24 generates heat by feeding power from a power source 26 connected via the PTC thermistor 22.
  • a heater or an electric heater is used for the heat generating portion 24.
  • the temperature of the piezoelectric element 12 is heated within a certain temperature range.
  • the temperature is detected by the PTC thermistor 22, and the current supplied to the heat generating unit 24 is controlled by the resistance corresponding to the detected temperature.
  • the heat generation temperature of the heat generating part 24 can be controlled within a certain temperature range.
  • the PTC thermistor 22 is installed on the piezoelectric element 12 via the facing portion 10-2 of the magnetic yoke 10.
  • the PTC thermistor 22 installed in the vicinity of the piezoelectric element 12 exhibits an internal resistance corresponding to the temperature detected from the piezoelectric element 12 or the like.
  • the heat generating part 24 is heated.
  • the resistance value of the PTC thermistor 22 is increased, and the current flowing through the heat generating part 24 is reduced. Suppresses fever.
  • FIG. 3B shows a modification of the temperature control unit 14.
  • the temperature control unit 14 may include a cooling unit 28 together with the heating unit 24 instead of the above-described heating unit 24.
  • the space 20 of the exterior member 16 and the piezoelectric element 12 may be cooled and adjusted to a predetermined temperature range.
  • a magnetic field M is applied from the magnet 8 to the piezoelectric element 12, and an electromagnetic wave E including far infrared rays is generated from the piezoelectric element 12 by a piezoelectric function.
  • the piezoelectric element 12 is maintained at a temperature within a certain temperature range by being heated or cooled by the temperature controller 14.
  • the electromagnetic wave E including far infrared rays generated from the piezoelectric element 12 is radiated to the fuel F and the air BA in the combustion chamber 6. Thereby, the fuel F combusted in the combustion chamber 6 is activated, and combustion is promoted.
  • This combustion promotion can increase combustion efficiency and contribute to reduction of fuel consumption.
  • FIG. 4 is a view showing an example of a heat engine according to the second embodiment.
  • the same parts as those in FIG. 4 are identical to FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG. 4, the same parts as those in FIG.
  • This heat engine 2-2 is an example of the combustion apparatus described above.
  • This heat engine 2-2 is configured to include the above-described combustion acceleration device 4 in the existing heat engine section.
  • the heat engine 2-2 is a diesel engine, for example, and generates kinetic energy by burning the fuel F.
  • the heat engine 2-2 includes a cylinder block portion 32, a cylinder head portion 34, and a crank chamber 36.
  • the cylinder block 32 is provided with a cylinder 38.
  • This cylinder 38 corresponds to the combustion chamber 6 (FIG. 1) described above.
  • a piston 40 is slidably installed in the cylinder 38.
  • the cylinder head part 34 is installed on the upper side of the piston 40 of the cylinder 38.
  • the cylinder head part 34 is provided with a fuel injection part 44, an intake part 46 and an exhaust part 48, and these are connected to a cylinder 38.
  • the fuel injection unit 44 is disposed at the center of the cylinder 38.
  • the intake part 46 and the exhaust part 48 are arranged on the left and right with the fuel injection part 44 in between.
  • a fuel valve 50 is installed in the fuel injection unit 44.
  • An intake valve 52 is installed in the intake section 46.
  • An exhaust valve 54 is installed in the exhaust unit 48.
  • the fuel F is injected into the cylinder 38 by opening the fuel valve 50.
  • the intake valve 52 is opened, the air BA is supplied into the cylinder 38.
  • the combustion exhaust FG is pushed out from the cylinder 38 by the piston 40 when the exhaust valve 54 is opened.
  • a water jacket 56 is installed on the outer surface of the cylinder 38.
  • the water jacket 56 is an example of a cooling unit.
  • a water passage portion 58 is formed in the water jacket 56, and cooling water is passed through the water passage portion 58. Thereby, the heat of the cylinder 38 is heat-exchanged with cooling water, the cylinder 38 is cooled, and overheating of the cylinder 38 can be prevented.
  • a crankshaft 60 is installed in the crank chamber 36, and a piston 40 is connected to the crankshaft 60 by a connecting rod 62.
  • the vertical movement of the piston 40 is transmitted to the crankshaft 60 by the connecting rod 62 and converted into a rotational movement.
  • the inflow of air BA opens the intake valve 52, causes the air BA to flow into the cylinder 38 from the intake portion 46, and is confined in the cylinder 38.
  • the intake valve 52 is opened while the piston 40 descends from the upper side of the stroke S to the lower side, and is closed when the piston 40 reaches the lower part of the stroke S.
  • the fuel valve 50, the intake valve 52, and the exhaust valve 54 are closed.
  • the piston 40 rises in this state, the air BA in the cylinder 38 is compressed, and the temperature of the air BA rises. This temperature reaches, for example, several hundred degrees.
  • the fuel valve 50 When the piston 40 reaches the top dead center of the stroke S, the fuel valve 50 is opened, and the fuel F compressed with a high pressure is injected into the cylinder 38. The fuel F is compressed in the cylinder 38 and burns in response to the air BA reaching several hundred degrees. This combustion is an explosion.
  • the fuel F injected into the cylinder 38 is radiated with an electromagnetic wave E including far infrared rays from the combustion promoting device 4, and the combustion by the electromagnetic wave E is promoted as described above. Combustion of the mixed fuel including the fuel F and the air BA is promoted, the combustion becomes an explosion state, and the combustion promotion function of the electromagnetic wave E is added to increase the explosion force.
  • This combustion generates combustion exhaust FG.
  • the combustion gas in the cylinder 38 is in an expanded state, and the piston 40 is pushed down to the bottom dead center of the stroke S. That is, the fuel F explodes and burns, and this combustion energy moves the piston 40 and is converted into kinetic energy.
  • the fuel F and air BA in the cylinder 38 receive radiation of electromagnetic waves E including far-infrared rays from the combustion promoting device 4, whereby the fuel F and air The BA is activated and the combustion of the fuel F is promoted.
  • the area of the cylindrical plane of the piezoelectric element 12 is ( ⁇ ⁇ ⁇ 2 ⁇ ⁇ 2) / 4.
  • the aforementioned electromagnetic wave E is radiated from the plane of the piezoelectric element 12 to the fuel F and air BA in the combustion space of the cylinder 38.
  • the temperature of the piezoelectric element 12 is controlled within a certain temperature range by the temperature control unit 14 and the magnetic field M is caused to act by the magnet 8 and the magnetic yoke 10, so that an electromagnetic wave E including far infrared rays can be obtained. it can.
  • the soot combustion promoting device 4 can be constituted by, for example, a permanent magnet, a piezoelectric material, a magnetic yoke 10 and a heater, and can be realized by a relatively inexpensive material. That is, the combustion promoting device 4 can be obtained at a low manufacturing cost, and high efficiency of the heat engine 2-2 can be realized.
  • the soot combustion promoting device 4 can be installed outside the heat engine 2-2, and it is not necessary to change the configuration of the heat engine 2-2. Therefore, the installation is easy and the equipment is not complicated.
  • FIG. 5 shows a fuel injection device according to the third embodiment.
  • the same parts as those in FIG. 5 are identical to FIG. 5, the same parts as those in FIG. 5, the same parts as those in FIG.
  • This fuel injection device 64 is an example of a combustion acceleration device, and has a fuel injection function as well as a combustion acceleration function.
  • the fuel injection device 64 includes the combustion acceleration device 4 described above, and the same reference numerals are given to the same portions as those in the above embodiment.
  • the fuel injection device 64 includes a housing 66, and the combustion promoting device 4 is installed in the housing 66.
  • the combustion promoting device 4 includes the magnet 8, the magnetic yoke 10, the piezoelectric element 12, and the temperature control unit 14.
  • the above-described exterior member 16 is also used as the housing 66.
  • the piezoelectric element 12 included in the combustion promoting device 4 functions as a piezoelectric actuator.
  • the piezoelectric element 12 has a laminated structure in which piezoelectric members are laminated. According to the piezoelectric element 12 having such a laminated structure, a large mechanical displacement can be obtained as compared with a piezoelectric element composed of a single-layer piezoelectric member.
  • the housing 66 is formed with a fuel supply pipe 68 and an injection nozzle portion 70.
  • the fuel supply pipe 68 is a passage that guides the fuel F to the injection nozzle portion 70 side through the side surface side of the fuel injection device 64.
  • the injection nozzle part 70 is formed on the front end side of the housing 66 and includes a fuel injection hole 72.
  • An injection valve 74 that opens and closes the fuel injection hole 72 is slidably installed inside the injection nozzle portion 70.
  • a valve control unit 76 is installed between the injection valve 74 and the piezoelectric element 12 constituting the piezoelectric actuator.
  • the piezoelectric element 12 causes a mechanical displacement as a piezoelectric actuator, and this mechanical displacement is transmitted to the injection valve 74 through the valve control unit 76. That is, the injection valve 74 is operated by the mechanical displacement of the piezoelectric element 12. Thereby, the injection of the fuel F or the stop of the injection is controlled.
  • the piezoelectric element 12 is connected to the power feeding unit 80 via an electric wiring 78.
  • the power feeding unit 80 is an electrical connector, for example, and is connected to a drive circuit.
  • the piezoelectric element 12 is mechanically displaced, for example, shortened by the piezoelectric effect.
  • the valve control unit 76 is pulled and moved.
  • the injection valve 74 is separated from the valve seat portion of the fuel injection hole 72. That is, the fuel injection hole 72 is opened and the fuel F is injected.
  • an electromagnetic wave E including far infrared rays is generated in the piezoelectric element 12.
  • the electromagnetic wave E is applied to the fuel F passing through the fuel supply pipe 68 and can activate the particles and molecules of the fuel F.
  • the heat engine in which the fuel injection device 64 is installed can irradiate the electromagnetic wave E and activate the combustion of the fuel F.
  • FIG. 6 shows a heat engine 2-3 according to the fourth embodiment.
  • the same parts as those in FIG. 6 are identical to FIG. 6, the same parts as those in FIG. 6, the same parts as those in FIG. 6, the same parts as those in FIG.
  • This heat engine 2-3 includes a fuel injection device 64 in place of the combustion promoting device 4 and the fuel valve 50 installed in the above-described heat engine 2-2 (FIG. 4). That is, the fuel injection device 64 having a fuel injection function and a combustion promotion function is installed.
  • the fuel F is injected from the fuel injection device 64 into the cylinder 38, and the electromagnetic wave E including far infrared rays is radiated from the fuel injection device 64 to the fuel F and the air BA in the cylinder 38.
  • the fuel F passing through the fuel injection device 64 is irradiated with the electromagnetic wave E in the fuel injection device 64, and the electromagnetic wave E radiated from the fuel injection device 64 is further converted into the fuel F and air in the cylinder 38. It is also irradiated to BA. Thereby, combustion of the fuel F is accelerated
  • combustion promoting device 4 is incorporated into the fuel injection device 64, so that the combustion promoting device 4 can be made compact.
  • Electromagnetic waves E including far infrared rays can be radiated to the fuel F in the cylinder 38 from the fuel injection device 64 installed at the head of the soot cylinder 38, so that the fuel can be activated and burned.
  • the irradiation of the electromagnetic wave E to the fuel F before injection and the irradiation of the electromagnetic wave E to the fuel F in the injected cylinder 38 result in multiple irradiation of the electromagnetic wave E, and the activation of the fuel F. , Can enhance combustion promotion.
  • combustion accelerating device 4 Since the combustion accelerating device 4 is built in the fuel injection device 64, a combustion accelerating function can be obtained without changing the mechanical structure of the existing cylinder 38 on the side of the heat engine 2-3. 3 operating costs can be saved.
  • FIG. 7 shows an example of a method for manufacturing the combustion promoting device 4.
  • the temperature control unit 14 is installed on the magnet 8 side.
  • This manufacturing process includes a process of forming the magnetic yoke 10, a process of installing the magnet 8 and the piezoelectric element 12 with respect to the magnetic yoke 10, a process of mounting the temperature control unit 14, and a process of mounting the exterior member 16.
  • a U-shaped magnetic yoke 10 is formed using a soft iron plate.
  • the magnet 8 is installed on the inner surface side of the facing portion 10-1 of the magnetic yoke 10, and the piezoelectric element 12 is installed on the upper surface of the facing portion 10-2. . Thereby, the magnetic field M is allowed to pass through the piezoelectric element 12.
  • the temperature control unit 14 In the mounting process of the temperature control unit 14, for example, as shown in FIG. 7B, the temperature control unit 14 is mounted on the upper surface of the facing portion 10-1 of the magnetic yoke 10. The temperature control unit 14 is formed in advance. In the temperature control unit 14, the thermal control element 220 is connected to the heater 240 in series by the electric wiring 82. The heater 240 is an example of the heating unit 24 and is an electric heater.
  • the periphery of the magnetic yoke 10, the magnet 8, the piezoelectric element 12, and the temperature control unit 14 is covered with the exterior member 16.
  • the exterior member 16 is comprised with a heat insulation sheet, for example.
  • the exterior member 16 wraps the magnetic yoke 10 and the temperature control unit 14, and the exterior member 16 is bound by a binding string 84. Thereby, the combustion promoting device 4 is maintained in the covering state by the exterior member 16.
  • the magnetic yoke 10 For the magnet 8, the magnetic yoke 10, the piezoelectric element 12, the thermal control element 220, the heater 240, and the exterior member 16, for example, the following specifications or constituent members may be used.
  • the poly switch is an example of the PTC thermistor described above.
  • the electric power supplied to the heater 240 is controlled using the property (reversibility) that the resistance value rapidly increases and decreases with the reference temperature Tc as a boundary.
  • the temperature of the polyswitch becomes lower than the reference temperature Tc, the electric power applied to the heater 240 increases.
  • the temperature of the polyswitch rises to the reference temperature Tc, the resistance value rises, so that the power applied to the heater 240 is limited.
  • the temperature of the piezoelectric element 12 is controlled to 90 [° C.], for example.
  • FIG. 8 shows an example of the engine generator 2-4 according to the sixth embodiment.
  • the engine generator 2-4 is provided with the above-described combustion acceleration device 4 (FIG. 1).
  • the engine generator 2-4 is an example of a heat engine 2-2.
  • the engine generator 2-4 includes an engine unit 86, a power generation unit 88, and a battery 90.
  • the engine portion 86 may include an engine portion including the cylinder block portion 32, the cylinder head portion 34, and the crank chamber 36 of the heat engine 2-2 described above.
  • the combustion promoting device 4 described above is installed on the side surface of the engine portion 86.
  • the distance from the surface of the upper side surface of the engine part 86 to the piezoelectric element 12 is set to about 3 [cm], for example.
  • a rotational force is generated as kinetic energy by the combustion of the fuel F. With this rotational force, the power generation unit 88 generates power.
  • the battery 90 is charged with the power generation output.
  • the output of the battery 90 is applied to the temperature control unit 14 via the electrical wiring 82.
  • the engine part 86 is irradiated with electromagnetic waves E including far infrared rays from the combustion promoting device 4 to promote the combustion of the fuel F in the engine part 86.
  • an engine generator having the following specifications or configuration is used as the engine generator 2-4.
  • the following specifications or configurations are examples.
  • This measurement was started after the engine part 86 was stabilized after a warm-up operation for several minutes. The fuel consumption was measured several times, and the average value of the obtained fuel consumption was calculated.
  • Combustion efficiency was obtained by dividing the consumption time of light oil of the engine part 86 where the combustion promoting device 4 was installed by the consumption time of light oil of the engine part 86 where the combustion promoting device 4 was not installed.
  • the combustion efficiency was about 1.39, and an improvement in efficiency of 39% was confirmed.
  • the magnetic flux density (B) of the magnet 8 was set to about 100 [mT], that is, a magnetic flux density around 100 [mT] or 100 [mT].
  • FIG. 9 shows characteristic curves obtained by experiments.
  • the horizontal axis represents the temperature [° C.] of the piezoelectric element 12, and the vertical axis represents the combustion efficiency.
  • the relationship between the temperature of the piezoelectric element 12 and the combustion efficiency of the engine generator 2-4 was verified. That is, the combustion efficiency increases and decreases with respect to the temperature change of the piezoelectric element 12 of the combustion promoting device 4 installed outside the engine unit 86.
  • the combustion efficiency in the temperature range when the temperature of the piezoelectric element 12 is 40 [° C.] to 150 [° C.] the combustion promotion is most advanced in the temperature range of 60 [° C.] to 110 [° C.], and the combustion efficiency becomes high You can understand that.
  • the combustion efficiency of the engine generator 2-4 that receives the irradiation of the electromagnetic wave E emitted from the piezoelectric element 12 varies depending on the temperature, and the irradiation of the electromagnetic wave E affects the combustion efficiency. High efficiency is achieved.
  • the most efficient combustion When it exceeds 86 [° C.], the combustion efficiency decreases as the temperature increases.
  • the temperature of the piezoelectric element is 60 [° C.]
  • the combustion efficiency is e1
  • the rate of increase in combustion efficiency increases.
  • the temperature of the piezoelectric element 12 is 70 [° C.]
  • the combustion efficiency is e2
  • the rate of increase in the combustion efficiency is further increased.
  • Combustion efficiency is a value of e1 or more in the range of 60 to 110 [° C.], and good combustion efficiency is obtained. In the range of 70 [° C.] to 105 [° C.], the value is e2 or more, and a better combustion efficiency is obtained. As is apparent from the experimental results, if the combustion promoting device 4 is installed, the fuel consumption of the heat engine can be reduced.
  • the distance from the surface of the engine upper side surface to the piezoelectric element 12 is set to about 3 [cm], but even if it is about 10 [cm], an effect of reducing fuel consumption is expected.
  • the same is true even if the PZT is used in a fuel injection device using a piezoelectric material, that is, PZT having a laminated structure. The effect was obtained.
  • the temperature control unit 14 is installed as a heating means.
  • the piezoelectric element 12 may be heated by heat generated by a heat engine. Even when the heat engine is used as a heating means, the piezoelectric element 12 can be heated, and the fuel F can be irradiated with the electromagnetic wave E.
  • the magnetic yoke 10 is provided to allow the parallel magnetic field to pass through the piezoelectric element 12 with the single magnet 8. It is good also as a structure which makes the element 12 pass.
  • the magnetic yoke 10 may be configured by the housing 66.
  • the combustion promoting device 4 and the fuel injection device 64 can be reduced in weight.
  • the weight of the moving promoting device 4 can be reduced by reducing the weight of the combustion promoting device 4.
  • the energy required for movement can be reduced, and the amount of fuel can be reduced.
  • the diesel engine is shown as the heat engine 2-2, but other heat engines such as a gasoline engine, a jet engine, and a rocket engine may be used. Further, the engine may be any of a 2-cycle engine, a 4-cycle engine, a rotary engine, and the like.
  • the installation location of the soot combustion promoting device 4 is not limited to the position directly above the cylinder head portion 34, but may be installed in the vicinity of the cylinder 38.
  • it may be installed on the side surface of the cylinder 38 or may be a position where the electromagnetic wave E can be applied to the fuel F.
  • the magnetic yoke 10 is horseshoe-shaped, but it may be annular. If the piezoelectric element 12 is installed in the magnetic gap 18, the shape of the magnetic yoke 10 is not limited to the C shape.
  • the magnet 8 and the piezoelectric element 12 are installed inside the exterior member 16, but the exterior member 16 may be made of a material through which the electromagnetic wave E emitted from the piezoelectric element 12 passes.

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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)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Selon l'invention, la combustion d'un combustible tel qu'une huile légère, ou similaire, soumis à une combustion par un dispositif de combustion tel qu'un moteur thermique, est améliorée, la combustion du combustible est favorisée, et l'énergie obtenue par combustion est accrue. Le dispositif de combustion est équipé au moins d'un aimant (8) et d'un élément piézoélectrique (12). Un champ magnétique (M) de l'aimant (8) est appliqué à l'élément piézoélectrique (12). Par conséquent, une onde électromagnétique (E) incluant au moins un rayonnement infrarouge lointain, est générée par l'élément piézoélectrique (12), et irradie le combustible (F) destiné à la combustion, favorisant ainsi la combustion de combustible (F). Enfin, l'énergie cinétique transformée par une telle combustion, est accrue.
PCT/JP2013/000617 2013-02-05 2013-02-05 Procédé ainsi que dispositif favorisant la combustion, et moteur thermique WO2014122686A1 (fr)

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KR1020157023856A KR20150113186A (ko) 2013-02-05 2013-02-05 연소 촉진 방법, 연소 촉진 장치 및 열기관
JP2013535195A JPWO2014122686A1 (ja) 2013-02-05 2013-02-05 燃焼促進方法、燃焼促進装置および熱機関
PCT/JP2013/000617 WO2014122686A1 (fr) 2013-02-05 2013-02-05 Procédé ainsi que dispositif favorisant la combustion, et moteur thermique
EP13874614.4A EP2955363A4 (fr) 2013-02-05 2013-02-05 Procédé ainsi que dispositif favorisant la combustion, et moteur thermique
US14/156,971 US20140220498A1 (en) 2013-02-05 2014-01-16 Method for accelerating combustion, apparatus thereof and heat engine

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WO (1) WO2014122686A1 (fr)

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JP2016075288A (ja) * 2015-12-15 2016-05-12 康太郎 青木 燃焼促進方法、燃焼促進装置および熱機関

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EP2955363A1 (fr) 2015-12-16
JPWO2014122686A1 (ja) 2017-01-26
EP2955363A4 (fr) 2016-12-28
US20140220498A1 (en) 2014-08-07
KR20150113186A (ko) 2015-10-07

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