WO2017188671A1

WO2017188671A1 - Intake pressure increasing device using air pressure

Info

Publication number: WO2017188671A1
Application number: PCT/KR2017/004309
Authority: WO
Inventors: 김진수
Original assignee: 김진수
Priority date: 2016-04-25
Filing date: 2017-04-23
Publication date: 2017-11-02

Abstract

In an internal combustion engine having a structure in which intake air (1) having passed through an air filter (2) is compressed by a compression wheel (23) of a turbo charger, the compressed intake air is cooled by an intercooler (31), and the cooled intake air rushes into a cylinder through an intake manifold (16), provided is an internal combustion engine supercharging method: providing a separation point (32) at an outlet side of the intercooler (31) and providing a joining point (34) at the rear of the intake manifold (16); providing a check valve (33) between the separation point (32) and the joining point (34) so as to connect the same therebetween such that the check valve is opened only in the direction in which the intake air progresses; connecting an intake pressure increasing device (35) using air pressure to the check valve (33), in parallel, between the separation point (32) and the joining point (34) by means of a separate pipe; injecting air pressure (11) from a nozzle (9) of the intake pressure increasing device (35) using air pressure by operating a solenoid valve (14), which is connected to the intake pressure increasing device using air pressure, such that an ECU (21) is opened; and performing supercharging while the intake air (1) rushes thereto because of the injected air pressure (11).

Description

Intake Pressure Increase Device by Pneumatic

The present invention relates to a secondary charging method for eliminating the turbolag phenomenon that occurs in a vehicle equipped with a turbocharger.

In the case of the turbocharger operating at the exhaust pressure of the exhaust gas, the exhaust wheel at the low speed may not be able to rotate the exhaust turbine wheel at high speed because the exhaust pressure of the exhaust gas is low.

Therefore, when the vehicle starts after stopping or suddenly steps on the accelerator in a low speed section, a turbo lag phenomenon occurs in which the acceleration is temporarily delayed.

As a solution, twin turbos can be used to improve acceleration performance even in low speed sections, or install a separate supercharger with a turbocharger, or force the intake fan by injecting compressed air from the compressor into the turbocharger intake fan. Rotating to increase the intake pressure (Application No. 10-2000-0079329, Japanese Patent Application Laid-Open No. 59-101539 *) or by injecting pneumatic directly into the intake pipe (10-2015-0048447,10-2016- 0037262 * Both applications are the same as the original applicant).

The turbocharger increases the intake pressure by increasing the pressure of the intake gas and increases the intake volume, thereby improving the engine fuel efficiency by recycling the residual pressure that is discarded. The size of the capacity will be able to expect better fuel economy.

However, in the case of twin chargers, one large turbocharger and another small turbocharger are installed together to improve fuel economy by not sufficiently filtering the incident pressure of the exhaust gas emitted after the explosive stroke at high speed in the small turbocharger. Improvements cannot be expected, and turbo lag can't be completely prevented.

In addition, the hybrid type in which the turbocharger and the supercharger are installed together overlaps the supercharge function in the high speed section, and thus, the supercharger mainly connected to the engine shaft consumes useless power, resulting in lower fuel efficiency.

In addition, in the two inventions of 10-2015-0048447 and 10-2016-0037262, a specific structure for even better suction pressure rise by pneumatic pressure is required.

As in the above two applications (10-2015-0048447 and 10-2016-0037262),

It is true that it is difficult to obtain as much boost pressure as required by the engine even when the air pressure is injected by the injection nozzle inside the pipe having a large pipe diameter (refer to the thickness of a general intake manifold).

In this application, in order to solve the above problems,

Reduce the inner diameter of the pipe where the air pressure is sprayed to about 15 millimeters,

Inside the pipe, several spray nozzles are arranged in series,

By connecting the intake pressure increase device by pneumatic in parallel with the check valve to the intake pipe passage,

The problems of lack of supercharge pressure were solved and the structure for better fuel economy was derived.

In an engine vehicle equipped with a single turbocharger, it is possible to pressurize the engine intake momentarily using the accumulated pneumatic pressure when starting after stopping the vehicle or when acceleration is required at a low speed section. Same as

By connecting the intake pressure increasing device 35 by pneumatic in parallel with the check valve 33 between the intercooler 31 and the intake manifold 16 to the intake pipe,

When you need to restart after stopping or when you need to accelerate at low speed,

When the ECU 21 receives the information of the intake air pressure sensor 36 and the rotation sensor 37 to operate the solenoid valve 14,

The pneumatic pressure 11 stored in the pneumatic tank 12 passes through the pneumatic distribution pipe 13,

When the jet is injected into the intake manifold 16 through the injection nozzles 9 arranged in series at once,

The inhaler compressed by pneumatic injection is pushed towards the engine past the coalescing point 34 of the intake manifold, and instantaneous supercharging is achieved in a very short time.

At this time, the check valve 35 is closed by the pressure increased by the pressure increasing device 35 to block the inhaler from flowing in the reverse direction in the pipeline.

In this case, by attaching a turbocharger designed with sufficient capacity for high-speed rotation of 2000 amps or more, the residual pressure can be recovered sufficiently, thereby completely solving the turbo lag with a better fuel efficiency improvement effect.

1 is an overall configuration diagram of an internal combustion engine according to the present invention

2 is a front cross-sectional view and a partial cross-sectional view and a left and right side view and a plan view of the intake pressure increasing device by pneumatic

3 is a diagram in which the intake air pressure increasing device by pneumatic configuration is arranged in parallel (parallel)

Fig. 4 is a cross section when the intake air pressure increasing device by the pneumatic pressure is configured in a double double row.

FIG. 5 is a diagram schematically illustrating FIG. 1 without changing contents.

FIG. 6 is a diagram in which air intake pressure increasing devices are added in series by an inlet pipe; FIG.

7 is an enlarged view of a series connection part of FIG. 6;

8 is a diagram of directly supplying the pneumatic pressure by reducing the valve at the coalescing point

9 is a can type pneumatic distribution device of series connection method

10 is a can type pneumatic distribution device of parallel connection method

Figure 11 is a shape of the body pipe with the pneumatic distribution pipe removed from the intake pressure increasing device can for pneumatic distribution. (* The upper part is the binding direction by serial connection, and the lower part is the binding direction by parallel connection.)

12 is a structure of the pneumatic control device by the electric selection valve

Figure 13 is a cross-sectional shape of the check valve and butt fly valve

* (A), (B), (C), (D), (E), and (F), which show the shape of the cross-section, indicate only the cross-sectional shape, and do not show the part seen behind the cross-section.

The inhaler 1 passing through the air filter 2 is compressed by the compression wheel 23 of the turbocharger, the compressed inhaler is cooled by the intercooler 31, and the cooled inhaler opens the intake manifold 16. In an internal combustion engine of the structure pushed into the cylinder through;

A check valve 33 is installed in the intake pipe path 63 between the intercooler 31 and the intake manifold 16 so as to open only in the direction in which the inhaler proceeds;

Creating a separation point 32 and a coalescing point 34 in communication with the outside before and after the check inlet pipe is installed;

An intake pressure increasing device 35 is connected between the separation point and the coalescing point;

A pneumatic intake pressure increasing device characterized in that the pneumatic distribution pipe (13) of the intake pressure increasing device (35) is connected to a pneumatic opening and closing solenoid valve (14) controlled by the ECU (21).

In the configuration of the intake air pressure increase device by pneumatic pressure,

The left and right ends of the trunk pipe 41 composed of a circular pipe are provided with a connecting portion 40 to be connected to the intake pipe passage;

Intake pressure increasing device by pneumatic pressure, characterized in that the plurality of injection nozzles 9 connected to the pneumatic distribution pipe 13 is arranged in series so as to be injected in the direction in which the inhaler 1 travels inside the body pipe 41. .

A separation point 32 is provided at a point past the outlet 43 of the intercooler 31, and a coalescing point 34 is provided at a point behind the intake manifold 16;

A check valve 33 is installed between the separation point 32 and the integration point 34 so as to open only in the direction in which the inhaler proceeds;

Connecting the intake pressure increasing device 35 by pneumatic pressure between the separating point 32 and the coalescing point 34 in parallel with the check valve 33 as a separate pipe;

The ECU 21 is opened to operate the solenoid valve 14 connected to the pneumatic distribution pipe 13 of the intake pressure increasing device 35 by pneumatic pressure;

Causing the air pressure 11 to be injected from the nozzle 9 of the air intake pressure increasing device 35 by the air pressure;

The internal combustion engine supercharging method is characterized in that the inhaler (1) is pushed in by the injected pneumatic (11) and is compressed on the intake manifold (16) side so that the supercharging is performed.

At this time, the check valve 33 should always be closed when the inhaler does not flow, and should be pushed with a very weak spring, but should be pushed into the inhaler so that it does not open and generate suction resistance.

The check valve 33 and the intake pressure increasing device 35 may be installed between the compression wheel 23 of the turbocharger and the inlet 44 of the intercooler. It is very short within this few seconds so that the cooling of the inhaler by the intercooler 31 is not necessary, but it is more advantageous to install it as close as possible to the intake manifold 16 to be supercharged in a very short moment.

The operation timing and operation method of the intake pressure increasing device should be set in the ECU 21 to be operated when the driver steps on the accelerator to a certain depth when the vehicle starts to start after stopping or when acceleration is desired during low speed operation. The driver can select the pneumatic supercharge function through the accelerator.

For example, when you need to run at low speed or when you want to start slowly after stopping, you do not have to operate the pressure increase device by pneumatic pressure, which saves pneumatic pressure.

When pneumatic pressure is injected when the accelerator is stepped over a certain amount, the engine increases the intake pressure according to the values of the rotation sensor 37 and the intake pressure sensor 36 when the engine RMP increases to a certain speed or the pressure of the intake manifold increases. The pressure supplied to the device 35 is lowered to prevent mismatch of the engine due to excessive overcharging.

And when the engine speed reaches a certain RPM, the turbocharger is enough to charge the ECU, so the ECU should be set to shut off the pneumatic.

By shortening the time that the air pressure is injected to within a few seconds to allow sufficient time to replenish the air pressure.

Pneumatic pressure may be used by connecting an air compressor to the engine shaft, or using a separate compressor driven by an electric motor, and a pneumatic tank capable of storing pneumatic pressure is also required.

Looking at the structure of the intake pressure increasing device 35 by the pneumatic pressure used above with reference to FIG.

At the left and right ends of the trunk 41 formed of a circular pipe, a connecting portion 40 is provided to be connected to the intake pipe passage;

Inside the body 41, a plurality of injection nozzles 9 connected to the pneumatic distribution pipe 13 are arranged in series so as to be jetted in the direction in which the inhaler 1 travels.

The external connection socket of the pneumatic distribution pipe 13 is connected to the solenoid valve 14.

At this time, the pneumatic (11) spray should be sprayed in the direction in which the inhaler proceeds by arranging the spray nozzles (9) in series, and the spray pressure should be about 10 bar based on a passenger vehicle engine of 2000-3000 hour. And, the number of injection nozzles is suitable for about 5-6, the inner diameter of the body 41 where the pneumatic pressure is injected may be 12-15mm.

If the diameter of the point where the air pressure is injected is too thick, the air pressure injected from the nozzle center will be returned to the circumference and will not be able to compress the air particles properly.

Therefore, the diameter of the pipe at the point where the nozzle nozzle is located should be made small as shown in FIG.

The proper inhaler pressure is 1.5 times the atmospheric pressure and the engine compression ratio should be adjusted accordingly.

In order to further increase the intake pressure and the intake amount of the intake pressure increasing device by the pneumatic pressure, the number of the injection nozzles 9 of the intake pressure increasing device may be further increased or arranged in a double row. ,

A plurality of injection nozzles 9 are arranged in series, and a plurality of body pipes 41 are combined in a row to surround one outer case 42;

It is a pneumatic intake pressure increasing device characterized in that the connection portion 40 is formed in both ends of the outer case 42.

At this time, the pneumatic distribution pipe (13) is divided into the injection nozzle (9) in the inner body pipe 42 in the upper, lower, left and right in a row of pipes between the inner body pipe 42, several pneumatic distribution pipe No need to install.

There should be no gap between the body pipe and the inner body with filling material.

The intake pressure increasing device described above should be located behind the EGR valve 38 as a reference to the intake direction of the inhaler 1 so as to prevent carbonaceous deposits of the exhaust gas from being deposited.

The proper pipe bore where the nozzle is located will depend on the strength of the pneumatics.

Given the constant pneumatic pressure, the smaller the diameter, the higher the pressure and the lower the flow rate.

Conversely, the larger the diameter, the lower the pressure in the pipe obtained by the pneumatic injection and the higher the flow rate.

Therefore, it is necessary to determine the bore size of the intake pressure increasing device by pneumatic pressure in accordance with the required intake pressure of the engine to be mounted.

The highest injection efficiency is from the pneumatic point of injection to a length of 3-5 times the bore diameter.

Therefore, the installation interval of the spray nozzles is suitable about 3-5 times the inner diameter of the pipe.

All of the above can be used in both diesel and gasoline engines and may require minor modifications depending on the application.

,

1, the check valve 33 and the intake air pressure increasing device 35 by pneumatic pressure,

The parallel connection between the separation point 32 and the coalescing point 34,

Since the check valve 33 is configured to block the boost pressure generated when the intake pressure increasing device 35 is operated backward,

It is a form of parallel connection that is different from parallel connection in terms of electrical resistance.

When the intake pressure increase device is connected in series with the intake line, the inside diameter of the intake pressure increase device is narrow, and the engine output is properly displayed because the passage resistance is too high for the intake air to pass through the intake pressure increase device without the air pressure being injected. Will not be.

When the intake pressure increasing device 35 of FIG. 1 is shown in proportion to the actual size, the drawing of the intake pipe passage 63 in which the intake pressure increasing device is installed is a simplified view as shown in FIG.

As shown in FIG. 5, since the external size of the intake pressure increasing device 35 is not large, when it is attached to the intake pipe 63, it does not take up much space. It will be easier to manage.

Even though the diameter of the separation point and coalescing point made in the intake pipe passage is smaller than that of the intake pipe passage, the intake pressure increase device pushes the pressure to a high pressure, so the flow rate is fast, so that even if the inner diameter is small, there is no problem in passing the inhaler necessary for supercharging.

The overall important point of the present application,

Install the check valve 33 in the intake line (63),

Through the passageway to the outside,

By injecting the pneumatic pressure provided from the outside of the engine,

Creating a boost pressure is an important point.

Referring to this again with reference to FIGS. 1 and 5,

The inhaler 1 passing through the air filter 2 is compressed by the compression wheel 23 of the turbocharger, the compressed inhaler is cooled by the intercooler 31, and the cooled inhaler opens the intake manifold 16. In the internal combustion engine of the structure pushed into the cylinder through,

The check valve 33 is installed in the intake pipe path 63 between the intercooler 31 and the intake manifold 16 to open only in the direction in which the intake air proceeds.

Create a separation point 32 and a coalescing point 34 in communication with the outside before and after the intake pipe line provided with the check valve,

Connect the intake air pressure increasing device 35 between the separation point and the coalescing point,

The pneumatic distribution pipe 13 of the intake air pressure increasing device 35 is connected to the pneumatic opening and closing solenoid valve 14 controlled by the ECU 21.

In the above, the nozzle injection direction of the intake pressure increasing device should be connected in the direction in which the inhaler proceeds. The air is injected into the intake pipe by the pneumatic pressure injected while the air pressure is injected by the pneumatic pressure 11 supplied from the outside of the engine. It is pushed back by the force that is being supercharged.

Pneumatic 11 is compressed by the compressor 50 and stored in the pneumatic tank,

Through the pneumatic connecting pipe 56 and the pneumatic opening and closing solenoid valve 14,

Is delivered to the pneumatic distribution pipe 13 of the intake air pressure increasing device 35,

Sprayed through the spray nozzle,

The injected pressure pushes back the air in the trunk pipe of the intake pressure increasing device, and supercharges it.

When the check valve is installed in the intake pipe path as described above, the separation point and the coalescing point are made before and after the check valve, and the intake pressure increase device is attached thereto, the turbocharge generated by the intake pressure increase device is generated by the turbocharger. In addition to the boosted pressure has an advantage that can increase the boosted pressure.

This is because the turbocharger is connected to the intake pipe passage in which the boost pressure generated by compression is present and the intake pressure increasing device is operated.

At this time, the check valve is based on the direction of the inhaler,

The pressure at the front of the check valve is high and the pressure at the back is low,

It automatically closes to prevent the secondary generated boost from the intake pressure booster to escape backwards.

The principle of supercharging by pneumatic injection is as follows.

In one long pipe,

When spraying pneumatics with only one nozzle,

As the pressure on the injection side increases and the rear side is about vacuum, weak pressure is generated in the direction of the pneumatic injection inside the pipe.

If another jet nozzle is additionally installed in the same pipe at the back of the jet nozzle first installed,

The pressure can be added to the pressure in the pipe created by the first nozzle.

When a plurality of spray nozzles are arranged in series in one pipe and pneumatic sprays are simultaneously performed from a plurality of spray nozzles,

The pressure produced by each injection nozzle is added together to increase the pressure inside the pipe in proportion to the number of injection nozzles.

The present invention is a pressure increasing device by the pneumatic pressure using this principle.

Looking at the main configuration of the intake pressure increasing device 35 as described above as follows.

The left and right ends of the body 41 formed of a circular pipe are provided with a connecting portion 40 to be connected to the intake pipe passage,

Inside the body 41, a plurality of injection nozzles 9 connected to the pneumatic distribution pipe 13 are arranged in series so as to be injected in the direction in which the inhaler 1 proceeds, inlet pressure increase device by pneumatic .

Pneumatic jet nozzle (9) is to be injected in the direction in which the inhaler proceeds, the center of the injection nozzle should be located in the center of the body pipe, connected to a single pneumatic distribution pipe (13) receives the pneumatic pressure, in the same direction You must go.

In case of connecting several sets of intake pressure increasing device by pneumatic in series, and selectively operating the intake pressure increasing device connected in series,

The strength of the engine boost pressure can be freely adjusted, which will be described below with reference to FIGS. 6 and 7.

A plurality of pneumatic intake pressure increasing devices 35 are connected in series by the inlet pipe 73,

Connect both ends of the intake pressure increasing device by the pneumatic pressure connected in series to the separation point and coalescing point, respectively.

Connect the pneumatic distribution pipes 13 of the intake pressure increasing device 35 by the pneumatic pressure connected in series to the electric selector valve 58, respectively.

The electric selection valve 58 is characterized in that connected to the pneumatic opening and closing solenoid valve 14 connected to the pneumatic tank (12).

The number of connections of the intake pressure increase device by pneumatic pressure is connected to a larger number as the higher boost pressure is desired, and when the air pressure is additionally supplied to the connected intake pressure increase device, the boost pressure varies depending on the strength of the injected air pressure. The boost pressure can be adjusted.

As shown in FIG. 7, the binding of the intake pressure increasing device using the citron tube 73 in connecting the intake pressure increasing devices to each other is not only to reduce the length but also to increase the degree of completeness of the production of the product.

In order to connect the intake pressure increasers to each other by a duct pipe, it is easy to connect the connection 40 at both ends of the intake pressure increaser.

The electric selector valve 58 which additionally selects and supplies pneumatics,

By rotating the pinion gear (61) attached to the built-in electric motor shaft to move the rack 60 up and down,

A piston pin 62 connected to the rack 60 allows the pneumatic passages to be further selected.

It is responsible for selecting and sending additional air pressure to the pneumatic distribution pipes of several intake pressure increasing devices connected in series.

The electric selection valve 58 is not a valve for changing the passage of pneumatic, but a valve for connecting several passages in sequence.

When the piston pin 62 is in the lower portion as shown in FIG. 7, only the lower passage is opened so that only one intake pressure increasing device located in front of the three intake pressure increasing devices is supplied with air pressure.

When the piston pin is raised to open the two passages, pneumatic pressure is supplied to the second intake pressure increasing device.

When the piston pin is raised upward and opened to the third passage, pneumatic pressure is also supplied to the third intake pressure increasing device.

Then, all three intake pressure increasing devices are operated to increase the total number of injection nozzles, thereby increasing the boost pressure in proportion.

At this time, the oil may determine the proper fuel injection amount and inject the appropriate amount of fuel.

Therefore, the ECU is able to freely adjust the different boost pressures according to the driving mode in any state, further enhancing the performance of the vehicle.

In the pneumatic line supplied to the intake pressure increasing device by the pneumatic as described above,

From the pneumatic tank, install the solenoid valve for opening and closing and the electric selection valve with the pneumatic selection motor.

The control of the ECU controls the strength of the boost pressure and the engine output.

Unlike the solenoid valve, the electric selection valve is a valve that controls the amount of pneumatic pressure through additional selection of pneumatic connections.

Solenoid valves are responsible for the opening and closing of pneumatics.

The air intake pressure increasing device 35 by the pneumatic pressure as described above will be easy to maintain and manage when manufactured in assemburi completed in one single accessory together with the intake pipe.

The check valve 33 should always be closed when the inhaler does not flow and should be pushed with a very weak spring 66, but should be open to the inhaler so that it does not generate suction resistance.

As described above, the check valve 33 is installed in the intake pipe path 63 between the intercooler 31 and the intake manifold 16,

Create a coalescing point between the check valve and the intake manifold

Even if the pneumatic pressure is directly supplied through the coalescing point without the intake pressure increasing device, the pneumatic pressure is blocked by the check valve, so that the boost pressure can be immediately increased.

In this case, the superchargeable time is few seconds and it takes a long time to recharge the pneumatics after one charge, but the instant charging is possible.

Referring to FIG. 8,

In the intake pipe path 63 between the check valve and the intake manifold to create a coalescing point 34 in communication with the outside,

A pressure reducing valve 57 and a pneumatic opening and closing solenoid valve 14 and a pneumatic tank 12 are sequentially connected to the coalescing point 34.

Pneumatic pressure of the pneumatic tank 12,

As the solenoid valve 17 is opened, the pressure is reduced while passing through the pressure reducing valve 57 and arrives at the intake pipe.

When the pneumatic pressure stored in the pneumatic tank is pressed the accelerator pedal for acceleration,

After the ECU determines pneumatic injection based on the position sensor value of the accelerator pedal, the engine speed, and the intake pressure, the solenoid valve is opened and the pneumatic pressure is reduced to about 1.5 atm by the pressure reducing valve to fill the inside with the intake pipe.

Also in the above, the inlet pipe path 63 between the check valve 33 and the intake manifold 16 makes a coalescing point 34 in communication with the outside, and even if air is supplied directly through the coalescing point, the air pressure is maintained by the check valve. Because it cannot escape in the reverse direction, instantaneous supercharging is achieved.

In addition, the ECU may control the boost pressure by adjusting the pressure reducing pressure of the pressure reducing valve.

Although the strength of the pressure reduced in the pressure reducing valve is about 1.5 atm, which is the boosting pressure of the turbocharger normally applied, if necessary, the motor is connected to the adjusting screw of the pressure reducing valve in order to charge the pressure to a higher pressure. It can raise or lower the boost pressure.

If the supercharge pressure can be freely adjusted, the engine's output can be freely adjusted, and furthermore, with the elimination of the downsizing of the turbo rack, further power and torque can be obtained.

When supplying the pneumatic pressure immediately without the intake pressure increasing device as shown in FIG. 8, the pneumatic pressure is exhausted so quickly that the compression speed of the compressor cannot be used for continuous use.

In addition, the pressure reducing valve should be able to cope with the momentary change of the intermittent boost pressure due to the fast reciprocating speed of the piston only when the pressure reducing valve having a very large instantaneous flow rate is used.

The connection between the pressure reducing valve and Ishi oil is optional, and there is no problem in the pressure reducing function of the pressure reducing valve even if it is not connected to the Ishi oil 21.

The separation point 32, which is a passage communicating with another outside in the above, is eliminated because it is not necessary.

The check valve 45 should always be closed when the inhaler does not flow and should be pushed with a very weak tension spring 66, but should be open to the inhaler so that it does not generate suction resistance.

In the entire application process, butt valves can be used in place of the check valves without any significant difference in function.

In this case, the butt valve should be connected to the ECU for control and the ECU should be opened and closed.

When charging is required, ECU can spray pneumatic first and close the butt fly valve at the same time. If no charging is required, open the butt valve first and stop the charging.

When the ECU rotates the butt valve rotary shaft 69 by driving the drive device or connecting to a separate device, and the butt valve rotary shaft 69 rotates, the butt valve disc 68 attached to the rotary shaft rotates to the intake pipe. Block (63).

If a butt fly valve is installed in place of the check valve,

In the absence of supercharging, the intake resistance of the inhaler can be slightly reduced, but the timing of the opening and closing of the valve and the pneumatic injection time should be overlapped slightly, so the instantaneous supercharging time will be delayed a little longer.

This is compared with the intake pipe shutoff method by the check valve as follows.

Butt fly valve type, when the driver presses the accelerator pedal and the supercharge decision is made, it must be delayed by injecting pneumatic and closing the valve first.

On the other hand, the check valve type, when the driver presses the accelerator pedal and the supercharge decision is made, the check valve is automatically closed by the supercharge pressure as the supercharge is applied, so that the natural boost pressure and the instant boost time are further shortened.

And when the air pressure is weak, the check valve does not block the intake passage even when the air pressure is injected, but the butt fly valve type blocks the intake passage so that the engine may be turned off or the output may be reduced.

Check valve type and butt fly valve type are optional and can be selected according to the unit price or engine condition.

In the present application, the check valve 33 and the butt valve are connected to the intake pipe 63 between the intercooler 31 and the intake manifold 16 as shown in FIGS. 1, 5, 6, 7, 8, 10 and 12. It is characterized by being installed to open in the direction of progress.

In this way, the check valve or butt fly valve is basically installed in the intake pipe to prevent the back pressure from flowing back from the outside.

If the check valve 33 and the butt valve are not installed to open in the direction in which the inhaler proceeds in the intake pipe path 63 between the intercooler 31 and the intake manifold 16,

The supercharging pressure in the intake duct flows backwards, which makes the supercharging fundamentally impossible.

It is an essential device that is necessary to preserve the boost pressure created by externally supplied pneumatics.

The opening and closing disk 67 of the check valve should be made of a thin, light and durable material, and when opened, the opening and closing disk 67 should have a small opening resistance due to the large opening and closing rate.

,

As a means for adjusting the boost pressure when supplying the boost pressure through the intake pressure increasing device by the pneumatic pressure,

As shown in FIG. 7, the pneumatic pressure may be further adjusted by additionally selecting the respective pneumatic distribution pipes 13 to increase the supply of pneumatic pressure.

9, 10, 11, 12, a plurality of body pipes 41 from which the pneumatic distribution pipe 13 attached to the outside of the intake air pressure increasing device 35 is removed, and the cross section is formed on the side of the can 72 having a circular or rectangular shape. After inserting and sealing the hole, and supplying pneumatic by connecting one pneumatic connecting socket 75 to the outside of the can, all the pneumatic connectors of the intake pressure increasing device are removed and the structure is removed. Concise, by connecting a pneumatic connection socket to a single pneumatic distribution can, it is possible to simultaneously spray multiple pneumatic nozzles.

Although the pneumatic distribution pipe is removed from the trunk pipe 41,

Pneumatic jet nozzle (9) is arranged in series so that the injection nozzle is sprayed in one direction, as shown in Figure 11, inside the body pipe (41),

It must be in communication so that pneumatic pressure can be supplied from the outer connection side of the injection nozzle (9).

The above is summarized with reference to FIGS. 9 and 11 as follows.

On the left and right sides of the round or square can 72,

A plurality of holes are drilled at the same number and at the same positions to fit the outer diameter of the body pipe 41 of the intake pressure increasing device 35, respectively.

In the drilled hole,

When the plurality of body pipes 41 having the pneumatic connecting pipe 13 exposed to the outside are connected to each other in series, the nozzles are inserted into each other so that the injection nozzles can be injected in the same direction.

It seals between the end of the trunk pipe 41 protruding out of the left and right sides of the can and the left and right sides of the can.

The ends of the respective body pipes 41 are connected to each other in series so that the injection nozzles are sprayed in the same direction through the U-shaped tube 73.

On one side of the can is fitted with a pneumatic connection socket 75 in communication with the outside.

The pneumatic pressure 12 is blown into the pneumatic distribution can 72 through the pneumatic connection socket 75.

When the body pipes 35 of the intake air pressure increasing device 35 are inserted in the can 72 for pneumatic distribution as described above, when the air pressure is simultaneously supplied to the injection nozzles 9 attached to the plurality of body pipes,

Since separate pneumatic distribution pipes (13) are not necessary, if the pneumatic distribution pipe attached to the outside of the body of the intake pressure increasing device is removed, and there is only a body (41) having only a spray nozzle attached to the inside of the body of the intake pressure increasing device. (FIG. 11).

At this time, the injection nozzle must be in communication with the outside of the body pipe to receive the pneumatic pressure supplied to the inside of the can to inject the pneumatic pressure.

The number of holes drilled in the left and right sides of the can should be equal to the number of body pipes of the intake pressure increasing device fitted, and after being inserted into the hole, the gap should be sealed to prevent pneumatic pressure from escaping the can.

And the pipes are connected in series through the U-shaped tube.

At this time, the injection direction of all the injection nozzles must be connected to each other through the inlet tube so that the injector is injected in the direction of the advancing.

When connecting the body pipes in series as described above can increase the strength of the boost pressure in proportion to the number of injection nozzles.

Contrary to the above, if the body pipe inserted into the pneumatic distribution can is bound in parallel so that pneumatic pressure is injected in one direction, a larger amount of supercharger can be obtained, which will be described below with reference to the lower drawings of FIGS. 10 and 11. .

After drilling a plurality of holes in the same number and the same position to the outer diameter of the body pipe 41 of the intake air pressure increasing device 35 on the left and right sides of the pneumatic distribution can 72,

Insert the injection nozzles 9 of the trunk pipes 41 in the same direction so as to be sprayed in one direction,

After sealing the end of the body pipe 41 protruding out of the left and right sides of the can and the left and right sides of the can,

The connecting portion 40 is provided at both ends of the pneumatic distribution can 72,

After having a pneumatic connection socket 75 on one side of the pneumatic distribution can 72,

The pneumatic pressure 12 is injected through the pneumatic connection socket 75 to obtain a boost pressure.

At this time, the connecting portion 40 to be made at the left and right ends of the can 72, in the case of the square can 72 should start with a rectangular portion to be connected to the circular intake pipe passage to be finished in a circular shape.

In case of parallel connection, higher boost pressure is not obtained than in series connection, but it also has the advantage of supplying a larger amount of supercharger.

In order to obtain higher boost pressure by parallel connection, the number of parallel injection nozzles should be increased, which will increase the length of the intake pressure increase device by pneumatic pressure and increase the amount of air pressure required by the increased number of injection nozzles. do.

If you choose the type that distributes air pressure at the same time by inserting the body pipe into the pneumatic distribution can like the above two cases, you do not need the pneumatic distribution pipe attached to each body pipe, so you can plant the spray nozzles directly on the body pipe, There is an advantage that the production of the body pipe installed is easy.

The cross-sectional shape of the can is a shape according to the application structure, such as square, oval, round, etc. The number of holes drilled in the left and right sides can be increased as shown in Figs.

If you adjust the strength of the pneumatic pressure supplied into the can, you can also adjust the strength of the boost pressure.

In order to adjust the strength of the boost pressure it should be able to adjust the strength of the pneumatic pressure method described with reference to Figure 12 as follows.

Pneumatic stored in the pneumatic tank,

Pass through the branched capillary 70,

By controlling the number of the capillary passage 74, the amount of pneumatic pressure is adjusted,

To adjust the intensity of the boost pressure, which will be described in detail as follows.

The rack 60 is pinched by the pinion gear 61 which is connected to the electric motor and rotates.

Connect the piston pin 62 to the lower end of the rack 60,

Piston pin 62 makes a plurality of capillary connecting passages 74 on one inner end of the cylinder to move up and down within the range that the piston pin 62 moves up and down,

Capillary tube 70 is formed in the capillary connecting passage 74,

Capillary tubes (70) are collected in a capillary collection tube (71) and connected to the pneumatic connection socket (75).

The principle of adjusting the strength of the pneumatic pressure as described above with reference to Figure 10 as follows.

When the drive motor connected to Ishiyu 21 is rotated by the command of Lee Ciu, the pinion gear 61 connected to the drive motor is rotated,

By moving the piston rack 62, which opens and closes the capillary passage 74 connected to the rack, by moving the interlocking linear rack 60 up and down,

By adjusting the number of opening capillary passage (74) and increasing or decreasing the amount of pneumatic pressure by the number of open capillary passages to adjust the strength of the pneumatic pressure, so that the intensity of the boost pressure supplied to the engine intake pipe can be adjusted do.

Unlike the solenoid valve, the electric selection valve is a valve that controls only the amount of pneumatic pressure passing through the capillary passages.

Solenoid valves are responsible for the opening and closing of pneumatics.

The general valve for controlling the flow rate is difficult to accurately control the flow rate through the valve without the pressure reducing valve, but the electric selection valve described above by controlling the number of passages to open and close the capillary passages,

It is a structure that controls the strength of pneumatic pressure by determining the appropriate number of opening and closing of capillary passages based on the strength of pneumatic pressure stored in the pneumatic tank and the value of the intake pressure sensor attached to the intake pipe.

9, 10, 11, and 12, the contents are described as follows.

A plurality of holes are drilled on the right and left sides of the pneumatic distribution can 72 at the same number and at the same positions in accordance with the outer diameter of the body pipe 41 of the intake air pressure increasing device 35;

When the body pipes 41 are connected in series to the holes, the nozzles 9 are inserted alternately so that the nozzles 9 can be ejected in the same direction;

Sealing between the left and right sides of the can and the end of the trunk pipe protruding out of the left and right sides of the can;

Connecting the respective body pipes in series so that the injection nozzles are sprayed in the same direction through the yu-ja tube 73;

A pneumatic connection socket 75 penetrating the outside on one side of the can;

Intake pressure increasing device by pneumatic, characterized in that for blowing the pneumatic pressure into the can through the pneumatic connection socket (75).

The injection nozzles 9 of the trunk pipes 41 are inserted into the hole in the same direction so that the injection nozzles 9 can be sprayed in the same direction;

Mounting a pneumatic connection socket 75 on one side of the can;

Intake pressure increasing device by pneumatic, characterized in that the connecting portion 40 is provided at both ends of the can.

In controlling the strength of the boost pressure by adjusting the strength of the pneumatic pressure,

An interior of the electric selection valve 58 mounted between the solenoid valve 14 and the pneumatic connecting socket 75 for opening and closing the pneumatic;

Equip the rack 60 and the pinion gear 61;

Connecting a piston pin 62 to open and close a plurality of capillary connection passages 74 at a lower end of the rack 60;

Connect capillaries 70 to the ends of the capillary connecting passages 74;

Intake pressure increase device by pneumatic pressure, characterized in that the capillary tube is collected in a capillary collection tube (71) and connected to the pneumatic connection socket (75).

In this application, the names with redundancy are summarized as follows.

The air intake pressure increasing device 35 refers to a form in which a pneumatic distribution pipe 13 and a connection portion 40 are combined with a body pipe 41 having a pneumatic injection nozzle installed therein,

The trunk pipe 41 refers to the trunk pipe portion except for the connection portion 40 and the pneumatic distribution pipe 13 attached to both ends in the intake pressure increase device by pneumatic pressure as a part of the air intake pressure increase device.

And the pneumatic distribution pipe 13 refers to the part that the injection nozzles are connected,

Pneumatic connection socket 75 refers to the socket portion used when receiving the pneumatic.

Electric selection valve 58 was used in both Figures 7 and 10, as a flow control valve having a function of opening and closing several passages in sequence, the nature of the valve to change the direction of the pneumatic,

In Figure 7 serves to open and close a plurality of passages in sequence (no claims).

In Figure 10, the function of opening and closing several passages sequentially is the same,

The difference between the opening and closing of the capillary connecting passage in order to connect the capillary tube and the part used as a valve to control the amount of pneumatic pressure by connecting to the capillary collection tube (claims).

(Explanation of the sign)

1; inhaler 2; air filter 6; exhaust gas 9; spray nozzle 10; spray 11; pneumatic 12; pneumatic tank

13; Pneumatic distribution pipe 14; Solenoid valve 15; Cylinder header 16; Intake manifold 17; Exhaust manifold 21; ECU 23; Compression wheel

24; exhaust turbine wheel 30; connecting line 31; intercooler 32; separation point 33; check valve 34; coalescing point 35; air intake pressure increasing device

36; intake pressure sensor 37; rotation sensor 38; EGR valve 40; connection 41; Body pipe of intake air pressure increaser 42; Outer case 43 of double intake air pressure increaser; Intercooler outlet 44; Intercooler inlet 50; Compressor 56; Pneumatic connector 57; Reduction valve 58; Motor selection valve 60; Rack gear 61; Pinion gear 62; Piston pin 63; Intake duct 66; Spring 67; Check valve disc 68; Butt fly valve disc 69; Butt fly valve rotary shaft 70; Capillary tube 71; Capillary tube 72; Pneumatic distribution can 73 of intake pressure increasing device 73; U-shaped tube 74 for connecting pressure increasing device; Capillary connecting passage 75; Pneumatic connecting socket

While completely eliminating the turbo rack in the car's supercharger,

Furthermore, rapid acceleration was made possible.

Claims

The inhaler 1 passing through the air filter 2 is compressed by the compression wheel 23 of the turbocharger, the compressed inhaler is cooled by the intercooler 31, and the cooled inhaler opens the intake manifold 16. In an internal combustion engine of the structure pushed into the cylinder through;

A check valve 33 is installed in the intake pipe path 63 between the intercooler 31 and the intake manifold 16 so as to open only in the direction in which the inhaler proceeds;

Creating a separation point 32 and a coalescing point 34 in communication with the outside before and after the check inlet pipe is installed;

An intake pressure increasing device 35 is connected between the separation point and the coalescing point;

A pneumatic intake pressure increasing device characterized in that the pneumatic distribution pipe (13) of the intake pressure increasing device (35) is connected to a pneumatic opening and closing solenoid valve (14) controlled by the ECU (21).
The method of claim 1,

In the configuration of the intake air pressure increase device by pneumatic pressure,

Connection parts 40 are provided at the left and right ends of the trunk pipe 41 formed of a circular pipe so as to be connected to the intake pipe path;

Intake pressure increasing device by pneumatic pressure, characterized in that the plurality of injection nozzles (9) connected to the pneumatic distribution pipe 13 is arranged in series so as to be injected in the direction in which the inhaler (1) proceeds inside the body pipe (41) .
The method according to claim 1 or 2,

The check valve 33 is installed in the intake pipe path 63 between the intercooler 31 and the intake manifold 16 to open only in the direction in which the intake air travels, and communicates with the outside before and after the intake pipe path where the check valve is installed. In the intake pipe passage of the internal combustion engine that makes the separation point 32 and the coalescing point 34,

A plurality of intake pressure increasing devices 35 are connected in series by the inlet pipe 73;

Connecting both ends of the intake pressure increasing device connected in series to the separating point 32 and the coalescing point 34, respectively;

Connecting the pneumatic distribution pipes 13 of the intake air pressure increasing device 35 connected in series to the electric selector valve 58;

Intake pressure increase device by pneumatic pressure characterized in that the electric selection valve 58 is connected to a pneumatic opening and closing solenoid valve (14) connected to the pneumatic tank (12).
The method of claim 1,

The check valve 33 is installed in the intake pipe path 63 between the intercooler 31 and the intake manifold 16 to open only in the direction in which the inhaler proceeds, and the intake pipe path 63 between the check valve and the intake manifold is opened. In the intake pipe path made of the union point 34 in communication with the outside,

Inlet pressure increase device by pneumatic pressure, characterized in that to connect the pressure reducing valve (57), pneumatic opening and closing solenoid valve (14), pneumatic tank (12) to the coalescing point (34).
The method according to claim 1, 2, 3,

A plurality of holes are drilled on the left and right sides of the pneumatic distribution can 72 at the same number and at the same positions in accordance with the outer diameter of the body pipe 41 of the intake air pressure increasing device 35;

When the body pipes 41 are connected in series to the holes, the nozzles 9 are inserted alternately so that the nozzles 9 can be ejected in the same direction;

Sealing between the end of the trunk pipe 41 protruding out of the left and right sides of the can and the left and right sides of the can;

Connecting the respective body pipes 41 in series so that the injection nozzles are sprayed in the same direction through the yu-ja tube 73;

Intake pressure increasing device by pneumatic, characterized in that the pneumatic connecting socket (75) penetrates the outside on one side of the can.
The method according to claim 1, 2, 3,

A plurality of holes are drilled on the right and left sides of the pneumatic distribution can 72 at the same number and at the same positions in accordance with the outer diameter of the body pipe 41 of the intake air pressure increasing device 35;

The injection nozzles 9 of the trunk pipes 41 are inserted into the hole in the same direction so that the injection nozzles 9 can be sprayed in the same direction;

Sealing between an end portion of the body pipe protruding out of the left and right sides of the can and the left and right sides of the can;

Mounting a pneumatic connecting socket 75 on one side of the can;

Intake pressure increasing device by pneumatic, characterized in that the connecting portion 40 is provided at both ends of the can.
The method according to claim 1, 2, 3, 4, 5, 6,

An interior of the electric selection valve 58 mounted between the solenoid valve 14 and the pneumatic connecting socket 75 for opening and closing the pneumatic;

Equip the rack 60 and the pinion gear 61;

Connecting a piston pin 62 to open and close a plurality of capillary connection passages 74 at a lower end of the rack 60;

A plurality of capillary connecting passages 74 are formed at one inner end of the cylinder in which the piston pin 62 moves up and down within the range in which the piston pin 62 moves up and down;

Connect capillaries 70 to the ends of the capillary connecting passages 74;

Intake pressure increase device by pneumatic pressure, characterized in that the capillary tube is collected in a capillary collection tube (71) and connected to the pneumatic connection socket (75).
The method according to claim 1, 3, 4, 5, 6, 7,

Intake pressure increasing device by pneumatic, characterized in that the replacement of the check valve butt fly valve.