JP3033200U - Internal combustion engine performance improvement device - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To achieve overall improvement of internal combustion engine performance such as purification of exhaust gas and improvement of fuel consumption and output, though it is a relatively simple method. A plurality of magnets 20 mounted around an injection nozzle 5 for supplying liquid fuel to an internal combustion engine.
And a holding means 23 for holding the magnet 20 mounted around the injection nozzle 5 in order to improve the performance of the internal combustion engine.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a device for improving the performance of an internal combustion engine such as a diesel engine or a gasoline engine. According to the performance improving device of the present invention, the exhaust gas discharged from the internal combustion engine is purified, and the fuel consumption and output of the internal combustion engine are improved.

[0002]

[Prior art]

 Exhaust gas emitted from an internal combustion engine that obtains power by burning liquid fossil fuels such as gasoline and light oil contains harmful components such as nitrogen oxides (NOx) and sulfur oxides (SOx). Conventionally, as a measure for purifying exhaust gas that suppresses the generation of such harmful components, for example, a method of previously removing sulfur, which is a harmful component as a result of combustion in the process of producing fuel, and a combustion temperature higher than usual. Known methods include a method of performing lean combustion at a low temperature and a method of discharging exhaust gas into the atmosphere after forming a stable molecular structure using a catalyst.

[0003]

[Problems to be solved by the invention]

 However, these conventional methods have the following problems. That is, first, the method of removing harmful components in advance in the process of producing fuel has poor immediate effect, and causes a rise in fuel price. In the lean burn method, the combustion power is reduced, so the torque as the output of the internal combustion engine is reduced. Furthermore, the method using a catalyst is very expensive, and at present, it is not a sufficient solution.

An object of the present invention is to achieve overall performance improvement of an internal combustion engine such as purification of exhaust gas and improvement of fuel consumption and output, though it is a relatively simple method.

[0005]

[Means for Solving the Problems]

 To achieve this object, in the present invention, a plurality of magnets mounted around an injection nozzle for supplying liquid fuel to an internal combustion engine and a state where the magnets are mounted around the injection nozzle are maintained. Disclosed is an apparatus for improving performance of an internal combustion engine, which is provided with a holding means for carrying out the above.

In this performance improving device, as the magnet, for example, a permanent magnet having a magnetic flux density of about 10,000 gauss or more is adopted. It is also preferable to install such magnets around the injection nozzle cap nut and nozzle cup nut. On the other hand, the holding means may be composed of a band for fastening a plurality of magnets mounted around the injection nozzle from the outside. Further, a cover may be attached to the magnet, and a guide for passing the band may be formed on the cover.

[0007]

[Embodiment of the invention]

 Preferred embodiments of the present invention will be described below with reference to the drawings. First, an entire diesel engine as an example of an internal combustion engine equipped with a performance improving device according to an embodiment of the present invention will be described.

In a perspective view of the diesel engine 1 shown in FIG. 1, a piston 3 is slidable inside a cylinder block 2, and a combustion chamber 4 formed above the piston 3 has an upper surface. , An injection nozzle 5, an air supply valve 6, and an exhaust valve 7 are arranged. The injection nozzle 5 is adapted to supply the fuel (light oil) pressurized by the injection pump 8 operated by the power of the diesel engine 1 and pressure-fed by the fuel pipe 9 into the combustion chamber 4 at an appropriate timing. There is.

FIG. 2 is a cross-sectional view showing an example of the structure of the injection nozzle 5. The upper end of the injection nozzle 5 is formed in a cap nut 10, and the tip of the fuel pipe 9 described in FIG. 1 is connected to the cap nut 10. Further, the lower end of the injection nozzle 5 is formed in the nozzle portion 11. A screw 12 and a cup nut 13 are formed around the injection nozzle 5. Normally, by rotating the cup nut 13 to screw the screw 12 into, for example, a rocker arm cover or the like, the nozzle portion 11 is formed. The injection nozzle 5 is attached to the diesel engine 1 with the position facing the inside of the combustion chamber 4. A needle valve 14 is provided inside the injection nozzle 5, and fuel is supplied into the combustion chamber 4 when the nozzle valve 14 is raised. In addition, a part of the fuel is configured to be returned to the injection pump 8 through the leak-off pipe 15.

3 and 4 each show a magnet 20 constituting a main part of the performance improving device according to the embodiment of the present invention. The magnet 20 shown in FIG. 3 has a rectangular parallelepiped shape (including a cubic shape). The magnet 20 shown in FIG. 4 has a columnar shape. These magnets 20 are preferably permanent magnets having a magnetic flux density of about 10,000 Gauss or more. For that purpose, for example, a rare earth magnet or the like is adopted as the magnet 20.

As shown, a cover 21 is attached to the magnet 20. The cover 21 shown in FIG. 3 has a rectangular parallelepiped shape, and the cover 21 shown in FIG. 4 has a columnar shape. These covers 21 can be made of, for example, resin, plastic, ceramics, metal or the like. Further, a guide 22 for passing the belt 23 as a holding means described below is formed on these covers 21.

FIG. 5 shows a band 23 as a holding means in the embodiment of the present invention. The band 23 is made of a flexible material such as vinyl resin, polyethylene resin, or rubber. A stopper portion 25 having a slit-shaped hole 24 is formed at one end of the band 23. On the other hand, saw blade-shaped stopper claws 26 are formed on both sides of the other end of the band 23. Therefore, as shown in FIG. 6, by curving the belt 23 and passing the other end of the belt 23 through the hole 24 of the stopper portion 25 and engaging the stopper claw 26 with the stopper portion 25, the belt 23 is formed into an annular shape. It is possible to maintain the state.

The performance improving apparatus according to the embodiment of the present invention configured as described above can be mounted around the cap nut 10 or the nozzle cup nut 13 of the injection nozzle 5, for example. FIG. 7 shows a state in which a total of three magnets 20 are mounted around the cap nut 10 of the injection nozzle 5 and the magnets 20 are tightened from the outside by the band 23 as an example. Since the band 23 is passed through the guide 22 of the cover 21 that covers each magnet 20, there is no fear of slipping off. Further, the belt 23 is maintained in an annular shape by engaging the stopper claw 26 with the stopper portion 25, and thus the magnet 20 can be kept tightened from the outside.

FIG. 8 shows a state in which a total of four magnets 20 are mounted around the cap nut 10, and FIG. 9 shows a state in which a total of two magnets 20 are mounted around the cap nut 10. Shows. In these FIGS. 8 and 9, as in the case described above with reference to FIG. 7, since the band 23 is passed through the guide 22 of the cover 21 that covers the magnets 20 from the outside, the periphery of the cap nut 10 is tightened. It is possible to firmly maintain the state where the magnet 20 is attached to the. However, the number of magnets 20 to be mounted is arbitrary, and the magnets 20 may be mounted around the cup nut 13.

[0015]

【Example】

 Next, the operation of the performance improving device according to the embodiment of the present invention described above will be described according to an example.

First, the effect of purifying exhaust gas in a diesel engine was tested. The test was carried out by the Hokuriku Institute of Public Health (Director Sadaharu Kitagawa, TEL0776-22-0699, FAX0776-22-) at 4-11-22 Koyo, Fukui City, which is the registration organization for measurement certification business (No. 28). 2606). The measurement date was March 7, 1996, the weather was rain, the temperature was 7.0 ° C, the humidity was 71%, and the person in charge of measurement is Mr. Tetsuo Hayashi, an environmental measurer. A Toyota car equipped with a diesel engine (model Y-LX90, model 2L of prime mover, total displacement 2.44 liters, fuel gas oil, registered for the first year, October 1994) was used at the research institute parking lot. The NOx concentration in the exhaust gas was measured. The measurement was performed by a chemiluminescence method at a depth of 20 cm from the tip of the muffler. The measuring instrument used was BCL-611A manufactured by Best Sokki Co., Ltd. A total of 12 magnets were installed around the cap nuts and nozzle cup nuts of the injection nozzle (three magnets were arranged at four positions at each height position of the injection nozzle as explained in Fig. 7 above). did) . The magnetic flux density of the magnet used is 11000 gauss. Table 1 shows the results. According to the present invention, the NOx concentration in the exhaust gas can be reduced by about 30% during idling.

[0017]

[Table 1]

Further, the fuel economy was tested for each of the diesel engine and the gasoline engine. Table 2 shows the types of vehicles used for each measurement, the mileage per liter of fuel (km / liter) before and after the performance improving device of the present invention was installed, and the fuel efficiency improvement ratio (%). In addition, from January to March 1996, the test was conducted by running on a normal general road surface with snow tires attached.

[0019]

[Table 2]

The output was also tested. In the test, the time from when the automobile was stopped to when it started and traveled a distance of 400 m on a straight line at maximum acceleration was measured (so-called 0 → 400 m measurement). Table 3 shows the vehicle types used for the measurement and the traveling time (seconds) on a straight line of 400 m before and after mounting the performance improving device of the present invention.

[0021]

[Table 3]

[0022]

[Effect of the invention]

 According to the performance improving device of the present invention, exhaust gas can be purified in an internal combustion engine such as a diesel engine or a gasoline engine, and fuel consumption and output can be improved. Moreover, the performance improving device of the present invention has a predetermined effect in the existing internal combustion engine only by mounting the magnet around the cap nut of the injection nozzle exposed outside the rocker arm cover or the nozzle cup nut. As a result, the structure is extremely simple and the performance of the internal combustion engine can be improved at low cost. Furthermore, the performance improving device of the present invention has an excellent feature that it requires almost no installation space.

[Brief description of the drawings]

FIG. 1 is a perspective view of a diesel engine.

FIG. 2 is a sectional view showing a structure of an injection nozzle.

FIG. 3 is a perspective view of a rectangular parallelepiped magnet.

FIG. 4 is a perspective view of a columnar magnet.

FIG. 5 is a perspective view of a band as a holding unit.

FIG. 6 is a perspective view showing a state in which the belt is annular.

FIG. 7 is a perspective view showing a state where a total of three magnets are mounted around the cap nut of the injection nozzle.

FIG. 8 is a plan view showing a state in which a total of four magnets are mounted around the cap nut.

FIG. 9 is a plan view showing a state in which a total of two magnets are mounted around the cap nut.

[Explanation of symbols]

 1 Diesel Engine 5 Injection Nozzle 10 Cap Nut 13 Nozzle Cup Nut 20 Magnet 21 Cover 22 Guide 23 Belt

Claims (5)

[Utility model registration claims] 1. A performance improvement of an internal combustion engine comprising a plurality of magnets mounted around an injection nozzle for supplying liquid fuel to the internal combustion engine, and holding means for holding the magnets mounted around the injection nozzle. apparatus. 2. The performance improving device according to claim 1, wherein the magnet is a permanent magnet having a magnetic flux density of about 10,000 Gauss or more. 3. The performance improving device according to claim 1, wherein the magnet is mounted around a cap nut and / or a nozzle cup nut of the injection nozzle. 4. The performance improving device according to claim 1, wherein the holding means is a band for tightening a plurality of magnets mounted around the injection nozzle from the outside. 5. The performance improving device according to claim 4, wherein a cover is attached to the magnet, and a guide for passing the band is formed on the cover.