JPH0970105A - Hybrid vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the fuel consumption of a hybrid vehicle and reduce harmful matters from the exhaust gas of the vehicle and weight of the vehicle by providing a fuel collision base in an auxiliary combustion chamber which is formed at the center of the head section of a piston and has a central communicating hole and a plurality of radial communicating holes through which flames are jetted toward a cylinder and constituting the radial communicating holes in heat insulation structures together with the cylinder and piston. SOLUTION: A central communicating hole 31 which corresponds to a fuel injection nozzle 21 installed to a cylinder 20 and a plurality of radial communicating holes 32 which are formed in oblique radial directions toward the internal surface of a cylinder head liner 27 are opened to the upper part of an auxiliary combustion chamber 30 buried in the central part of the top section of a piston 40. At the center of the chamber 30, a fuel collision base 33 having a top face perpendicular to the fuel injecting direction of the nozzle 21 is formed. The chamber 30 is fitted to the piston 40 and has a heat insulating gasket and an air layer 44. The nozzle 21 which is installed to the cylinder head 28 and supplies fuel is covered with a heat insulator 22 for thermal insulation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hybrid vehicle, and more particularly to a structure of a new vehicle system in which an electric motor drives a vehicle using electric power generated by an internal combustion engine.

[0002]

2. Description of the Related Art At present, automobiles mainly refer to those that use an internal combustion engine that uses fossil fuel as a prime mover.
Although the thermal efficiency of the internal combustion engine of this type of vehicle has been improved, efforts are being made to improve the emission which is an environmental problem and to further improve the efficiency. On the other hand, when the supply of fossil fuels becomes extremely severe, it becomes necessary to use methanol, ethanol, etc., which can be effectively reproduced, as an energy source. Such a situation is considered to be in the very near future on a global scale, and the proposal to use methanol or ethanol, which is a fuel that can be effectively reproduced, has rapidly emerged and has been partially put into practical use in Europe and the United States. Since all of the engines are based on an internal combustion engine having a cooling mechanism that is currently used, there is a disadvantage in that the fuel is not vaporized well and combustion is not performed well.

Further, in consideration of the rotational speed-torque characteristics of an internal combustion engine with reciprocating pistons, an engine having the characteristics of a low torque at a low speed, a large medium speed and a small high speed is a transmission equipped on a vehicle equipped with the engine. The clutch mechanism becomes an indispensable structure, and not only the weight of these is large, but also the space is large, and the weight and volume of the entire vehicle are large.

[0004]

As described above, the conventional or current vehicles have the drawbacks of low fuel consumption, large amounts of harmful substances in exhaust gas, and large weight of the entire vehicle. Although it has a drawback, the present invention is intended to solve such a conventional drawback, and an object thereof is to improve fuel efficiency in a vehicle equipped with an internal combustion engine, and It is an object of the present invention to provide a new vehicle in which harmful substances can be reduced as much as possible and the weight of the entire vehicle can be significantly reduced as compared with the current vehicles.

[0005]

In order to achieve the above-mentioned object of the present invention, the present invention has a sub-combustion chamber in a piston, a fuel injection nozzle arranged in a cylinder head, and the injection nozzle The fuel injected from is sprayed through the central communication hole of small diameter opened in the upper part of the sub-chamber, and the sub-combustion chamber has a fuel collision table inside and the periphery is formed in a heat insulating structure, and the sub-combustion. An internal combustion engine in which a plurality of radiating communication holes for diffusing the flame generated in the chamber toward the side wall of the cylinder are provided in the piston head, and the outside of the combustion chamber of the cylinder and the upper surface of the cylinder is formed by a heat insulating structure, and the output of the internal combustion engine. A generator connected to the shaft, an electric motor supplied with electric power from the generator to drive wheels, and energy for recovering exhaust energy contained in exhaust gas of the internal combustion engine as electric power. Recovery means, first power storage means for instantaneously storing instantaneous surplus power generated by the generator motor of the vehicle and discharging the power to the electric system, and redundant power storage for surplus power generated by the generator. Second power storage means for redundantly discharging electric power to the electric system, supercharging means for supercharging the internal combustion engine driven by an electric system in a vehicle, and a power frequency,
A control device for controlling current according to the characteristics of the electric motor,
A hybrid vehicle driven by an electric drive and an internal combustion engine is provided.

In the internal combustion engine, a load generator can be freely connected to both ends of the output shaft, and a generator connected to a turbine is connected as an exhaust gas recovery device to sufficiently recover fuel energy. I can. The internal combustion engine operates on alcohol, the intake and exhaust valves of the internal combustion engine are driven by electromagnetic force, and the auxiliary combustion chamber provided in the piston head portion of the internal combustion engine is formed in the central portion of the piston head. The fuel pump of the engine is an electromagnetically driven fuel pump, and fuel is supplied only to the operating cylinders by providing a fuel distribution device in each cylinder. The internal combustion engine has a plurality of cylinders, the number of cylinders operating by the engine load is controlled, and each cylinder is operated in the highest fuel consumption range. An output shaft rotation sensor and a load sensor are provided on the output shaft of the internal combustion engine, and at least the cylinder number control and the intake / exhaust valve operation timing control of the internal combustion engine are controlled by signals of the rotation sensor. It is something.

[0007]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is an overall configuration diagram of a hybrid vehicle according to the present invention. In FIG. 1, 1 indicates a vehicle. The vehicle 1 has four wheels 2 which are supported independently of each other as in a normal vehicle. An electric motor 4 is coupled to a rotating shaft 3 of each wheel, and the electric motor 4 causes the wheel 2 to rotate.
Is driven. These electric motors 4, which are usually permanent magnet type electric motors, are used to control the rotation speed by changing the AC frequency of the supplied electric power through an inverter. If you use, it will be easier to control. An internal combustion engine 5 is mounted on the vehicle 1. The internal combustion engine 5 is an adiabatic internal combustion engine that uses methanol or ethanol as a fuel and uses a so-called alcohol fuel, and the details of the structure will be described later.

A turbocharger 6 is provided in the exhaust system of the internal combustion engine 5, and its turbine 7 is a turbine 7.
The exhaust manifold 8a is connected to the exhaust pipe 8 downstream thereof, and the compressor 9 thereof is connected to the intake pipe 10.
The rotating shaft connecting the turbine 7 and the compressor 9 has
The motor generator 11 driven or driven by this is coupled. A turbine 12 that is rotatably driven by exhaust gas discharged from the turbine 7 is connected downstream of the turbine 7 through an exhaust pipe 8b, and a generator 13 is coupled to the turbine 12 and the turbine 12 is connected to the turbine 12. Generator 13
Are driven by turbine 12. Further, 10a is an intake manifold.

A main generator 14 is connected to the output shaft 5a of the internal combustion engine 5. The main generator 14 is a generator that generates AC power with a frequency of 300 cycles or more by a rating, and although not shown in the figure, the internal combustion engine 5 is rotated by a gear mechanism having a gear ratio of about 1: 2. The number may be increased to rotate the main generator 5 at high speed. The output shaft 5a of the internal combustion engine 5 is provided with a rotational position sensor 71 for detecting the rotational position of the output shaft 5a, and the rotational position signal controls the fuel injection timing and the number of cylinders described later. Reference numeral 15 is a control device including an inverter.
16 is a capacitor. The capacitor 16 is preferably a capacitor having a capacity of at least 5000 W · Hour or more, and includes a charge / discharge control circuit 17. The charge / discharge control circuit 17 is provided in the electric circuit system of the vehicle 1.
When surplus electric power such as regenerative electric power of the electric motor 4 or surplus electric power generated from the motor generator 11 is generated, the surplus electric power is used as the capacitor 1
6 is charged, and the charging power is discharged when the vehicle 1 needs power instantaneously such as when the vehicle 1 starts rapidly,
Rapid charge / discharge is possible without chemical reaction. Reference numeral 18 denotes a lead battery, which repeats charging and discharging with a chemical reaction, and gently absorbs redundant surplus power generated in the electric circuit system of the vehicle 1, and at the same time, the electric circuit system. When there is a power shortage, it is slowly replenished.

Next, the internal combustion engine 5 will be described in detail with reference to the drawings. FIG. 2 is a partial cross-sectional view showing the cylinder structure of each cylinder of the internal combustion engine 5. A cylinder liner 25 made of ceramics such as silicon nitride having high strength and heat resistance is provided on the inner circumferential surface of the cylinder body 20.
Has been inserted. A cylinder head liner 27 is attached to the upper surface of the cylinder liner 25 via a gasket 26.
Has been inserted. The cylinder head liner 27 is also made of ceramics such as silicon nitride having high strength and heat resistance. Reference numeral 28 denotes a cylinder head arranged above the cylinder body 20. Reference numeral 40 denotes a piston, which is housed in the cylinder liner 25 and the cylinder head liner 27 and slides up and down according to the operation of the internal combustion engine 5. A piston ring 41 is fitted to the sliding portion.

Reference numeral 30 denotes a sub-combustion chamber (sub-chamber) embedded in the central portion of the top of the piston 40, which is made of ceramics such as high-strength and heat-resistant silicon nitride or a composite material of silicon nitride and a fiber material. It is configured. A central communication hole 31 having a small diameter corresponding to the fuel injection nozzle 21 arranged in the cylinder 20 is provided in the upper part, and a plurality of radiation communication holes 32 communicating in an oblique radial direction toward the inner wall of the cylinder head liner 27. The opening 32a of the radiation communication hole 32 in the inner wall of the sub chamber 30 has a circular cross-sectional shape, but the opening 32b of the upper surface facing the main combustion chamber 50 is shown in the top view of FIG. As shown, it is formed in an elliptical shape, and the flow passage cross-sectional area is substantially the same as that of the circular shape or the elliptical shape.
It is limited to within 0%. Since the plurality of radial communication holes 32 are provided so as to be twisted in the same direction as the vertical axis direction of the piston, the plurality of radial communication holes 32 are blown from the auxiliary combustion chamber 30 toward the inner wall of the cylinder through the radial communication holes 32. The flame and air-fuel mixture are designed to generate swirl. A fuel collision table 33 having a trapezoidal shape in the center of the auxiliary combustion chamber 30 and an upper surface having a surface perpendicular to the fuel injection direction of the fuel injection nozzle 21.
Is formed, and when the injected fuel hits it, it is configured to disperse it in the cylinder circumferential direction.

The auxiliary combustion chamber 30 is attached to the piston 40 by a fixing ring 42. A heat shield gasket 43 and an air layer 44 are provided to shield the auxiliary combustion chamber 30 from heat, and further below the auxiliary combustion chamber 30. A lower surface cover 46 for preventing invasion of lubricating oil is attached via a heat shield air layer 45. The cover 46 may be integrated with the piston 40.

Reference numeral 23 is an intake valve for opening and closing the intake port 23a, and 24 is an exhaust valve for opening and closing the exhaust port 24a, both of which are attached to the lower portion of the cylinder head liner 27. The fuel injection nozzle 21, which is installed in the cylinder head 28 and supplies fuel, is covered with a heat insulator 22 so as to shield heat. Reference numeral 29 is a fuel injection nozzle control solenoid valve which is operated by the output of the control device 15.

Reference numeral 51 is a fuel injection pump, and the operation of the fuel injection pump 51 can also be controlled by the output of the controller 15. The internal combustion engine 5 is a multi-cylinder type, and has a 4-cylinder configuration in the illustrated example. And the rotation sensor 73
The number of operating cylinders of the internal combustion engine 5 is controlled according to the number of revolutions and the load detected by the load sensor 72, and the number of operating cylinders is controlled so that the cylinders that are always operating operate at the highest efficiency. The load sensor 72 detects the amount of depression of the accelerator pedal as a load value. Further, since the internal combustion engine 5 has a heat insulating structure and does not have a cooling structure for the cylinder, as shown in FIG. 4, the output shaft 5a can be projected at both ends of the engine. It is also possible to provide two main generators 14. In addition, the control device 15 supplies fuel only to the cylinders that are operated according to the load and rotation of the internal combustion engine 5.
The control of the solenoid valve 29 is performed by the output of.

Next, the operation of the internal combustion engine 5 thus constructed will be described. At the end of the compression stroke of the engine, the temperature of the compressed air rises due to the rise of the piston 40 and the sub-combustion chamber 30 is filled. To do. In this state, when the methanol fuel is injected from the fuel injection nozzle 21 to the fuel collision table 33 in the sub combustion chamber 30, the fuel is dispersed in the circumferential direction of the sub combustion chamber so as to easily vaporize and burn, Ignition occurs inside the auxiliary combustion chamber 30. The ignited fuel blows out to the outer circumference of the piston through the radiation communication hole 32, mixes with the air in the main combustion chamber 50, and further violently burns. When such combustion is repeated, the wall surface of the auxiliary combustion chamber 30 is heated to form a heating layer. The fuel injection timing is controlled by signals from the rotational position sensor 71, the load sensor 72, the rotation sensor 73, and the fuel flow rate sensor 74 of the internal combustion engine 5.

As described above, when the methanol fuel is injected from the fuel injection nozzle 21 into the auxiliary combustion chamber 30 through the central communicating hole 31 after the heating layer is formed on the wall surface of the auxiliary combustion chamber 30, the inside of the auxiliary combustion chamber 30 is The inner wall of the sub-chamber 3 at high temperature or the compressed air having the heat of compression is touched, and a large amount of heat is received from the heating layer to easily vaporize and ignite. The area of the central communication hole 31 is small before and after the top dead center of the piston 40, and the auxiliary combustion chamber 30 is almost closed. Air is ejected in a short time in the four cylinder inner wall directions through the plurality of radiation communication holes 32.

Since the outlet 32b of the radiation communication hole 32 is an ellipse and is long in the outward direction, the jetted combustion gas and unburned fuel mixture reach the corner of the cylinder head liner 27, and the flow of the radiation communication hole 32 flows. Since the passage is twisted, a swirl is generated in the space between the cylinder head liner 27 and the piston 40 forming the main combustion chamber 50, sufficiently mixed with the air in the main combustion chamber 50, and explosively burned at a stroke. Due to the high pressure, the piston 1 is strongly pressed down to operate the engine.

Intake valve 23 of the internal combustion engine according to the present invention
The exhaust valve 24 is operated by electromagnetic drive. There are various methods of electromagnetically driving the intake and exhaust valves. FIG. 4 is a cross-sectional view showing one example thereof. The intake and exhaust valves 23 and 24 respectively open and close the intake port 23a and the exhaust port 24a, but since the structures themselves are almost the same structure, only the intake valve 23 will be described. FIG. 4 is a vertical cross-sectional view showing an example of the electromagnetically driven intake valve 23, and FIG. 5 is a cross-sectional view showing the electromagnetic mechanism in the valve open position.

In these drawings, reference numeral 23 is an intake valve, and its stem 111 is supported by a valve guide 112. When the valve is closed, a valve portion 114 is seated on a valve seat 113 to close the flow passage.

Reference numeral 102 denotes a spring, which is arranged between the upper seat 121 mounted at a predetermined position of the stem 111 and the cylinder head 28, and which is elastically actuated by the intake valve 2
3 is always biased toward the upper position, that is, toward the valve closing position.

Reference numeral 103 is a plunger made of a ferromagnetic material, which is mounted above the stem 111 and is to be described later with respect to an electromagnetic drive unit 1.
04, the intake valve 23 is opened, and a ring-shaped permanent magnet 131 is provided on the upper part of the plunger 103, and its magnetization is, for example, an upper N pole and a lower S pole as shown in the figure. Is magnetized.

The electromagnetic drive unit 104 includes an outer iron type core 141 and a ring-shaped exciting coil 142 for exciting the core 141.
And an annular drive coil 1 arranged above the core 141
43, and is attached at a predetermined position above the cylinder upper wall 115. Then, the plunger 10 including the permanent magnet 131 is driven by an electromagnetic force generated by energizing the exciting coil 142.
3 is attracted downward, and a large current is instantaneously supplied from the capacitor 16 to the drive coil 143 to form a magnetic path shown by a dotted line in FIG.

In this way, when current is passed through the exciting coil 142 and the drive coil 143 when the intake valve 23 is opened,
The electromagnetic force causes an attraction force of the ferromagnetic plunger 103, and a downward driving force is also generated in the permanent magnet 13 to move the stem 111 downward to open the intake valve 23.

Next, when the excitation coil 142 is de-energized when the intake valve 23 is closed, the plunger 103, which has been attracted downward, is driven upward by the elastic force of the spring 102, and the intake valve 23 is closed. However, the permanent magnet 131 at the position shown in FIG. 5 returns upward.

Next, the overall operation of the present invention will be described. When the driver depresses the accelerator pedal to drive the vehicle, the output from the load sensor 72 is immediately detected and stored in the control device 15. The control device 15 uses the load sensor 72.
Internal combustion engine 5 up to the speed corresponding to the output amount from
Activate In this operation, the internal combustion engine 5 is controlled in the number of cylinders so that the cylinders that are always in operation are controlled to operate in a high-efficiency region, and if excess output occurs, the number of cylinders in operation is immediately reduced. If the output becomes insufficient, the cylinders that are not in operation are operated to increase the number of cylinders. Further, the intake and exhaust valves 23 and 24 of the cylinders that are not operating are closed to close the intake port 23a and the exhaust port 24a, and the cylinders that are not operating are made to perform the pumping operation, and the cylinders that are operating are stopped. Reduce the burden on.

A turbine 7 is inserted in the exhaust system of the internal combustion engine 5, and another turbine 12 is attached downstream of the turbine 7. When the internal combustion engine 5 is rotating at high speed and a large amount of high-temperature exhaust gas is discharged, the two turbines 7 and 12 are rotationally driven by the exhaust energy of the exhaust gas, and the output thereof drives the motor generator 11 to operate. While driving as a generator and recovering its output, surplus exhaust energy drives the turbine 12, which drives the generator 13 to further recover exhaust energy.

On the other hand, the fuel of the internal combustion engine 5 is methanol or ethanol. Compared to fossil fuels such as gasoline and light oil, these alcohol fuels have about half the amount of heat per unit amount, and in order to produce the same output as fossil fuels, it is necessary to supply more fuel than fossil fuels. I won't. Therefore, when vaporizing the fuel, a large amount of heat of vaporization is taken from the combustion chamber as compared with fossil fuel. In the engine of the present invention, the auxiliary combustion chamber 30 is heat-insulated, and the heating layer is formed on the wall surface of the auxiliary combustion chamber 30.
Since the fuel injected into No. 3 disperses and collides with the wall surface of the auxiliary combustion chamber 30, a large amount of heat is removed from the fuel, methanol or ethanol, and vaporizes in an extremely short time. Further, since the wall surface of the auxiliary combustion chamber 30 has an efficient heat insulating structure, if combustion occurs inside, the heat deprived as vaporization heat is resupplied and a heating layer is formed on the wall surface.

The main generator 14 is rotatably driven by the internal combustion engine 5, and after its output is supplied to the control device 15,
The electric power is supplied to the four electric motors 4, the wheels 2 are driven, and the vehicle 1
Accelerates. The vehicle speed is constantly read by the control device 15, and it is compared whether or not the speed is a speed commensurate with the depression amount of the accelerator medal. When the two reach the same speed, the control device 15 limits the amount of electric power supplied to each electric motor to an amount of electric power sufficient to maintain the speed, including supplementation of various frictional resistance losses. Naturally, since the amount of power generated by the main generator 14 decreases, the output of the internal combustion engine 5 also decreases. Therefore, the output of each cylinder decreases, and the efficiency of each cylinder decreases. The control device 15 detects this, divides the output of the main generator 14 by the output value when the maximum efficiency for one cylinder is output, calculates the number of required operating cylinders, and compares it with the current number of operating cylinders. If the number of operating cylinders is large, the operation of a predetermined cylinder is stopped. In order to stop the cylinder, it is sufficient to simply stop the operation of the intake and exhaust valves of the cylinder.

When the vehicle 1 is accelerating or traveling at high speed, a large amount of exhaust gas is discharged from the internal combustion engine 5 at high temperature. In this state, the turbocharger 6
Drives the compressor 9 to perform supercharging operation,
The motor generator 11 of the turbocharger 6 operates as a generator and recovers exhaust energy as electric power. Further, the generator 13 also recovers the exhaust energy as electric power. The recovered electric power is sent to the control device 15 and distributed to each of the electric motors 4 as driving electric power, but when surplus electric power is generated, the electric power is sent to the battery 18 which is a lead battery and stored. . However, even if a large current generated instantaneously by the generator 4 during the braking operation is supplied to the lead battery, a momentary large amount of electric power cannot be stored instantaneously.
Is sent to and instantly absorbs and stores excess power. However, since the capacitance of the capacitor 16 is not larger than that of the battery 18, the charge / discharge control circuit 17 is activated as soon as the storage of electricity is finished, and the electric power stored instantaneously is transferred to the battery 18 with redundancy. Thus, the amount of stored electricity is maintained at a value close to zero to prepare for the next instantaneous electricity storage operation.

When the vehicle 1 is climbing a steep slope, the main generator 14 is heavily loaded. Naturally internal combustion engine 5
However, even if it is fully operated, its rotation speed will decrease. In such a case, the main generator 1
Electric power is supplied from 4 to the motor generator 11 of the turbocharger 6, and the compressor 9 is driven by an electric motor to assist supercharging. However, in such a case, the main generator 14
Has no margin output to be distributed to other loads other than the electric power for driving the electric motor 4. At such a time, the control device 15 supplies electric power from the battery 18 to the motor generator 11 of the turbocharger 6 and drives it to perform supercharging. In addition, when it is necessary to instantaneously supply the electric current to the motor generator 11, the control device 15 temporarily transfers the electric power of the battery 18 to the capacitor 16 and supplies the electric power to the motor generator 11 instantaneously. To do. When the vehicle 1 makes a curve,
The rotation speed of the electric motor 4 coupled to the wheel 2 is adjusted so that the rotation speed of the electric motor 4 is learned in advance when the vehicle bends and the motor 4 is smoothly rotated.

Although the present invention has been described above with reference to the above-described embodiments, various modifications and applications are possible within the scope of the gist of the present invention, and these modifications and applications are not excluded from the scope of the present invention. Absent.

[0032]

As described above, according to the present invention, the cylinder, the piston, and the auxiliary combustion chamber of the internal combustion engine have an adiabatic structure so that the auxiliary combustion chamber can retain a sufficient amount of heat to vaporize the supplied fuel. Have In addition, a sub-combustion chamber having a central communication hole is formed in the central part of the piston head, a fuel collision table is formed inside, and a plurality of radiation communication holes for injecting flame from the sub-combustion chamber in the cylinder direction are provided. Therefore, even if a low-pressure fuel injection mechanism is used, combustion is easy. Therefore, a solenoid valve fuel injection nozzle or solenoid valve fuel injection pump with a simple structure can be used, and an alcohol fuel such as methanol or ethanol can be used. However, not only the combustion goes smoothly, but also the fuel injection timing can be adjusted to the best timing depending on the load, and the control of the number of cylinders is also adjusted according to the load, so the engine can be operated at the best fuel economy point, and therefore the exhaust gas The harmful substances contained in the gas can be suppressed to a minimum. Further, the present invention does not require any engine cooling structure, and does not require a heavy gear shift mechanism or clutch mechanism, so that the weight of the entire vehicle can be significantly reduced as compared with the conventional one. It is possible to further improve fuel efficiency.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a hybrid vehicle according to the present invention.

FIG. 2 is a partial cross-sectional view of an adiabatic internal combustion engine according to the present invention.

FIG. 3 is a partial top view of a piston head.

FIG. 4 is an overall configuration diagram showing a modified example of the hybrid vehicle according to the present invention.

FIG. 4 is a sectional view showing the structure of an electromagnetically driven intake valve.

FIG. 6 is an operation explanatory view of an electromagnetically driven intake valve.

[Explanation of symbols]

 1 ... Vehicle 2 ... Wheels 3 ... Rotating shaft 4 ... Electric motor 5 ... Internal combustion engine 6 ... Turbocharger 7 ... -Turbine 8 ... Exhaust pipe 9 ... Compressor 10 ... Intake pipe 11 ... Motor generator 12 ... Turbine 13 ... Generator 14・ ・ ・ ・ ・ Main generator 15 ・ ・ ・ Control device 16 ・ ・ ・ Capacitor 17 ・ ・ ・ Charge / discharge control circuit 18 ・ ・ ・ Battery 20 ・ ・ ・ ・ ・ Cylinder 21 ・ ・... Fuel injection nozzle 22 ... Heat insulator 23 ... Intake valve 24 ... Exhaust valve 25 ... Cylinder liner 26 ... Gasket 27 ...・ Cylinder head liner 28 ... Cylinder head 29 ... Fuel injection Control solenoid valve 30 ... auxiliary combustion chamber 31 ... central communication hole 32 ... radiation communication hole 33 ... fuel collision table 40 ... piston 41 ... ... Piston ring 42 ... Fixing ring 43 ... Heat shield gasket 44 ... Air layer 45 ... Heat shield air layer 46 ... Bottom cover 50・ ・ ・ ・ Main combustion chamber 71 ・ ・ ・ Rotation position sensor 72 ・ ・ ・ Load sensor 73 ・ ・ ・ Rotation sensor 74 ・ ・ ・ Fuel flow rate sensor 102 ・ ・ ・ Spring 103 ・··· Plunger 104 ··· Electromagnetic drive unit 111 ··· Stem 112 ··· Valve guide 113 ··· Valve seat 114 ···· Valve unit 121 ···・ Upper sheet 131 ・ ・ ・ ・ ・ Permanent magnet 141 ・ ・ ・ ・ ・Outer iron core 142 Excitation coil 143 Drive coil

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location F02D 17/02 F02D 17/02 C 29/06 29/06 D H02J 7/00 H02J 7/00 P B

Claims (7)

[Claims] 1. A sub combustion chamber is provided in a piston, a fuel injection nozzle is arranged in a cylinder head, and fuel injected from the injection nozzle is sprayed through a small-diameter central communication hole formed in the upper portion of the sub chamber. At the same time, the piston head is provided with a sub-combustion chamber having a fuel collision table inside and a peripheral structure formed in a heat insulating structure, and a radiation communication hole for diffusing the flame generated in the sub-combustion chamber toward the side wall of the cylinder. Along with, a cylinder, an internal combustion engine in which the combustion chamber outer side of the cylinder top surface is formed by a heat insulating structure, a generator connected to the output shaft of the internal combustion engine, and an electric motor that is supplied with power by the generator and drives wheels. Energy recovery means for recovering the exhaust energy contained in the exhaust gas of the internal combustion engine as electric power, and the instantaneous surplus power generated in the generator motor of the vehicle is stored instantaneously, A first power storage unit that discharges electric power to the electric system, a second power storage unit that redundantly stores the surplus power generated by the generator, and redundantly discharges the electric power to the electric system; An electric drive and an internal combustion engine drive, comprising: a supercharging means that is driven by an electric system to supercharge the internal combustion engine; and a control device that controls a power frequency and a current according to the characteristics of the electric motor. Hybrid vehicle. 2. The hybrid vehicle according to claim 1, wherein a load generator is freely connectable to both ends of the output shaft of the internal combustion engine. 3. The hybrid vehicle according to claim 1, wherein the internal combustion engine is an alcohol-operated internal combustion engine. 4. The hybrid vehicle according to claim 1, wherein the intake and exhaust valves of the internal combustion engine are driven by electromagnetic force. 5. A generator as a load is connected to both ends of an output shaft of the internal combustion engine, and a generator connected to a turbine is connected as an exhaust gas recovery device of the internal combustion engine. The hybrid vehicle according to Item 1. 6. The hybrid vehicle according to claim 1, wherein the auxiliary combustion chamber provided in the piston head portion of the internal combustion engine is formed in the central portion of the piston head. 7. The hybrid vehicle according to claim 1, wherein the internal combustion engine has a plurality of cylinders, and the number of cylinders operated by the engine load is controlled.