KR101579436B1 - Apparatus for automatically controlling fuel supply pressure and fuel atomization for cars - Google Patents

Apparatus for automatically controlling fuel supply pressure and fuel atomization for cars Download PDF

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Publication number
KR101579436B1
KR101579436B1 KR1020140113072A KR20140113072A KR101579436B1 KR 101579436 B1 KR101579436 B1 KR 101579436B1 KR 1020140113072 A KR1020140113072 A KR 1020140113072A KR 20140113072 A KR20140113072 A KR 20140113072A KR 101579436 B1 KR101579436 B1 KR 101579436B1
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South Korea
Prior art keywords
fuel
fuel supply
supply
chamber
plate
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KR1020140113072A
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Korean (ko)
Inventor
최인섭
Original Assignee
최인섭
주식회사 쓰리엔텍
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Application filed by 최인섭, 주식회사 쓰리엔텍 filed Critical 최인섭
Priority to KR1020140113072A priority Critical patent/KR101579436B1/en
Priority to PCT/KR2015/008380 priority patent/WO2016032147A1/en
Priority to CN201580046514.3A priority patent/CN106605059B/en
Application granted granted Critical
Publication of KR101579436B1 publication Critical patent/KR101579436B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M29/00—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
    • F02M27/04—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by electric means, ionisation, polarisation or magnetism
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M29/00—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture
    • F02M29/04—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like
    • F02M29/06—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like generating whirling motion of mixture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)

Abstract

More particularly, the present invention relates to an apparatus for automatically supplying fuel to a combustion chamber of an engine, and more particularly to an apparatus for automatically supplying fuel to a combustion chamber of an engine, And the fuel is automatically supplied to the sprayed state during the supply of the liquid fuel, so that the contact air between the combustion air and the atomized fuel is smoothly mixed so as to complete the combustion in the combustion chamber, the output of the automobile is improved, The present invention relates to an automatic fuel injection system for an automotive fuel atomization system capable of reducing fuel consumption due to an appropriate fuel supply as well as generating no exhaust gas from a starting state.
According to an aspect of the present invention, there is provided an automotive vehicle including a main body, a fuel control unit provided inside the main body, a fuel supply unit provided at a lower end of the fuel control unit, and a fuel discharge unit provided at an upper end of the fuel control unit. And a fuel supply conversion unit installed at an upper end of the fuel discharge unit to change the supply of the fuel.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automotive fuel supply pressure and fuel atomization automatic control apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automatic fuel supply pressure control apparatus and, more particularly, to an automatic fuel injection control apparatus and a fuel injection control apparatus, So that the required amount of fuel can be supplied and the fuel can be automatically supplied to the atomized state during the supply of the liquid fuel, so that the combustion air and the atomized fuel can be smoothly mixed with each other so that complete combustion can be achieved in the combustion chamber. The present invention relates to an automobile fuel supply pressure and an automatic control system for fuel atomization in which no noise is generated, no exhaust gas is generated from the start, and fuel can be saved due to proper fuel supply.

Generally, the fuel supply of the automobile engine is supplied by the fuel pump or the high-pressure pump to the liquid fuel of the fuel tank.

However, the fuel pressure supplied by these pumps is supplied at a pressure that is too high to be used in the combustion chamber.

Therefore, a fuel pressure regulator is installed in the engine to prevent such high pressure fuel from being supplied to the combustion chamber immediately.

At this time, the fuel pressure regulator serves to adjust the fuel pressure to be fed to the combustion chamber by dividing the fuel pressure to be supplied to the combustion chamber and the fuel pressure to be fed back to the fuel tank.

In this way, the fuel pressure to be supplied to the combustion chamber is kept in the fuel supply pipe provided with the injector, which is the injection device for finally injecting the fuel into the combustion chamber, and the remaining fuel pressure is returned to the fuel tank.

However, there is a disadvantage in that the same pressure is always maintained in the fuel supply pipe by the fuel pressure regulator.

As a result of this disadvantage, when the fuel pressure supplied to the combustion chamber has already been determined, the intake valve is opened to supply the fuel in the combustion chamber during the intake stroke, and the fuel at the same pressure as the fuel injection pipe There arises a problem that it is forced to be supplied regardless of the engine speed.

In particular, the engine is simultaneously operated by the timing belt so that the engine speed and the fuel injection time coincide with each other.

The fuel injection time supplied to the combustion chamber also coincides with the engine rotation speed.

Therefore, when the number of engine revolutions is low, the time for which the injector is opened becomes long, the amount of fuel supplied to the combustion chamber increases because of the long injection time of the fuel, and when the number of revolutions of the engine is high, The amount of fuel to be supplied to the engine is also reduced.

As a result, although the fuel supply pressure is kept the same by the fuel pressure regulator, the flow rate of the fuel supplied to the combustion chamber varies with the fuel injection time, so that the fuel supply may appear to be not problematic.

 However, it should not be considered that the fuel supply is performed only to the extent of matching the fuel injection time according to the engine rotation speed under the same fuel supply pressure. Even if the engine revolutions are the same, when riding the flat road, The fuel pressure to be supplied to the combustion chamber must be selectively supplied to meet the conditions of the different roads.

Also, even if the vehicle runs at the same speed, the load applied to the engine also varies depending on the degree of maneuvering and low burning, or the degree of loading and unloading, so the fuel pressure supplied to the combustion chamber also varies It is the core of the right fuel supply that needs to be selectively supplied in accordance with the conditions.

However, the existing fuel supply technology does not have the technical ability to automatically adjust the fuel pressure according to various changing road conditions or driving conditions during driving, so that the fuel supply pressure is not insufficient when climbing the hill among the conditions of the road , The fuel pressure regulator is adjusting the fuel based on the fuel with the greatest fuel consumption in each condition so that the fuel supply pressure does not become insufficient even if the load is heavy and the vehicle runs. Therefore, There is a big problem that can lead to wasteful fuel.

In addition, excessive fuel supply causes incomplete combustion in the combustion chamber to generate exhaust gas that pollutes the atmospheric environment, threatening life. Even if excessively supplied fuel is completely burned in the combustion chamber, And it becomes a cause of increasing the greenhouse gas.

Therefore, in order to improve this, Korean Patent Registration No. 10-378510 "Automobile fuel supply automatic control device" has been developed and presented by the present inventor.

This is configured such that the liquid fuel of the fuel tank is supplied from the fuel pump and passes through the fuel pressure control cylinder formed in a multi-layered fuel pressure control cylinder in the fuel supply cylinder to be supplied to the engine combustion chamber through the fuel intake pipe in the fuel supply chamber of the lower fuel container, Since the disk constituting the cylinder has a slippery surface, there is no central part for supporting the middle of the disk in the form of a ring, and the middle part of the disk is pressed between the upper and lower disks due to the supply fuel pressure There was a problem that the fuel distribution was not smooth.

In addition, the flow of the liquid fuel is fast, and the particulate fuel which can smoothly contact the combustion air can not be sufficiently produced.

In addition, Korean Patent Application No. 10-2005-12218 has been developed in order to improve the disadvantage of not being able to make a sufficient amount of the atomized fuel. This is because the gap plate for maintaining the space between the fuel- The liquid fuel flows and the atomization state is improved by forming the line and the uneven surface, forming the gear tooth surface on the intermediate gap plate, and forming the groove on the fuel suction pipe. However, The applicant of the present invention has solved the drawbacks and deficiencies of the prior art as described above, and improved the supply of the fuel at a higher fuel supply rate and the atomization supply of the liquid fuel to be further promoted.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fuel flow plate having a plurality of recessed and recessed grooves formed on a surface of a fuel flow plate so that a flow of the liquid fuel can be widely spread and supplied.

An object of the present invention is to make the protruding lines formed on the fuel flow plate, the irregular surface of the spacer plate and the tooth surfaces of the intermediate spacer plate atomized by the mutual contact friction by the fuel pressure.

Also, since the liquid fuel is discharged through the fuel suction pipe and the fuel discharge pipe, the liquid fuel supplied to the combustion chamber is mixed well with the combustion air by the first and second order atomization successively by the protruding line and the fuel friction axis, The purpose is to make it happen.

In addition, since an air layer is formed in the upper part of the inner side of the fuel container to generate air pressure, a required amount of fuel is supplied to the combustion chamber, thereby achieving complete combustion, improving the output of the vehicle, reducing noise, The objective is to reduce the fuel consumption by not only generating no gas but also supplying the fuel with no waste of fuel.

In addition, the fuel suction pipe and the fuel discharge pipe are connected and fixed to each other. In the cap having the combustion chamber formed therein, an inflow hole is formed, and a solenoid valve is provided inside the cap having the inflow hole. The valve is operated to shut off the fuel suction pipe and open the inflow hole formed in the cap so that the liquid fuel is directly supplied to the engine through the fuel discharge pipe without passing through the fuel supply container.

It is another object of the present invention to provide an automatic supply of fuel according to a suction pressure of a piston acting on a combustion chamber in accordance with an engine rotation speed, instead of forcibly supplying fuel by a fuel pressure regulator.

In addition, the degree of atomization of the fuel is automatically controlled by the suction force of the piston which changes during travel of the vehicle, so that the contact air between the combustion air and the atomized fuel is smoothly carried out to complete combustion in the combustion chamber have.

Also, instead of sending fuel pressure to the combustion chamber depending on the fuel pressure regulator, the fuel supply that allows the fuel to be sucked on itself by the piston suction force acting in the combustion chamber improves the output of the vehicle, The vibration of the engine is reduced to improve the ride quality and the exhaust gas is hardly generated regardless of the running of the engine from the start and the fuel can be saved by preventing the fuel from being wasted from the beginning. It has its purpose.

According to an aspect of the present invention, there is provided an automotive vehicle including a main body, a fuel control unit provided inside the main body, a fuel supply unit provided at a lower end of the fuel control unit, and a fuel discharge unit provided at an upper end of the fuel control unit. A fuel supply control apparatus for an automatic control device for a fuel supply pressure and a fuel atomization system, the apparatus comprising: a fuel supply conversion section provided at an upper end of the fuel discharge section to change a supply path of the fuel, A solenoid provided at an upper portion of the housing and installed in a through hole formed in a cover member of the main body; a solenoid installed at a lower portion of the solenoid, the lower portion passing through the housing and being located in the fuel chamber of the relay member; And a cap provided on the upper portion of the housing and covering the solenoid, It is gong.

The main body includes a fuel supply passage formed in a container shape having an open upper portion, a cover member covering an upper portion of the fuel supply passage, a center member having a through hole formed thereon, and a fuel And an introduction tube.

The fuel control unit may include a plurality of spacers disposed at a lower end of the fuel inlet pipe and having a fuel injection hole formed therein and having a fuel flow path formed at a central portion thereof, And a fuel flow plate having fuel holes formed between the spacing plates.

Here, the lower bottom spacer has a plurality of closely-spaced plates formed with a fuel passage at a central portion thereof, a plurality of spaced-apart spacer pieces disposed between the plurality of spacers, and a fuel passage formed at a central portion thereof. .

Further, the fuel flow path of the spacer plate may include a plurality of intermediate spacer plates, and a plurality of spacer plates may be stacked on the center of the spacer plate and the close plate.

The fuel supply unit is coupled to a lower portion of the gap provided at the lower end of the fuel control unit and includes a fuel supply chamber having a fuel supply chamber formed at a central portion thereof. The lower portion is located in a fuel supply chamber of the fuel supply container, And a fuel suction pipe protruded to an upper portion of the upper plate of the fuel control unit.

The fuel discharge unit is disposed on the top plate of the fuel control unit and includes a fuel chamber in which an upper portion of the fuel suction pipe of the fuel supply unit is located and a communication hole is formed in an upper portion of the fuel chamber. And the other side portion is provided with a fuel discharge pipe protruding outside the fuel supply cylinder of the main body portion.

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Here, the housing has a flow hole communicating with the fuel chamber of the relay member at a central portion thereof, and a suction hole communicating with the flow hole is formed at the side portion thereof.

Further, the flow axis is bound to the flow hole of the housing, the first packing is provided at the lower end located in the fuel chamber, and the second packing is provided at the upper end so as to be spaced apart from the first packing.

According to the present invention having such a structure, a plurality of irregular grooves are formed on the plate surface of the fuel flow plate, so that the flow of the liquid fuel can be widely spread and supplied.

Further, the protruding lines formed on the fuel flow plate, the irregular surface of the gap plate, and the tooth surfaces of the intermediate gap plate have the effect of atomizing the liquid fuel due to the mutual contact friction by the fuel pressure.

Also, since the liquid fuel is discharged through the fuel suction pipe and the fuel discharge pipe, the liquid fuel supplied to the combustion chamber is mixed well with the combustion air by the first and second order atomization successively by the protruding line and the fuel friction axis, .

In addition, since an air layer is formed in the upper part of the inner side of the fuel container to generate air pressure, a required amount of fuel is supplied to the combustion chamber, thereby achieving complete combustion, improving the output of the vehicle, reducing noise, There is an effect that the fuel can be saved by not only generating no gas but also supplying the proper fuel without waste of fuel.

In addition, the fuel suction pipe and the fuel discharge pipe are connected and fixed to each other. In the cap having the combustion chamber formed therein, an inflow hole is formed, and a solenoid valve is provided inside the cap having the inflow hole. The valve is operated to shut off the fuel suction pipe, and at the same time, the inflow hole formed in the cap is opened to supply the liquid fuel directly to the engine through the fuel discharge pipe without passing through the fuel supply container.

On the other hand, the fuel is not forcibly supplied by the fuel pressure regulator but the fuel is automatically supplied in accordance with the suction pressure of the piston acting in the combustion chamber according to the engine speed.

Further, the degree of atomization of the fuel is automatically controlled by the suction force of the piston, which changes during travel of the vehicle, so that the contact air between the combustion air and the atomized fuel is smoothly mixed, thereby achieving the effect of complete combustion in the combustion chamber .

In addition, instead of sending fuel pressure to the combustion chamber depending on the fuel pressure regulator, the fuel supply that allows the fuel to be inhaled by the piston suction force acting in the combustion chamber improves the output of the vehicle, The vibration of the engine is reduced and the ride comfort is improved and the exhaust gas is hardly generated even if the vehicle is running from the start and the fuel is wasted from the beginning so that the fuel can be saved .

1 is a schematic view showing a state in which the present invention is installed between a fuel tank and a fuel chamber of an engine.
FIG. 2 is a perspective view showing an automatic fuel supply pressure and fuel atomization automatic control apparatus according to the present invention. FIG.
3 is a cross-sectional view of an automatic fuel supply pressure and fuel atomization automatic control apparatus according to the present invention.
Figures 4A and 4B show the fuel control section of the present invention.
5A and 5B show a fuel supply unit according to the present invention.
6 is a view showing the fuel discharge portion and the fuel supply conversion portion of the present invention.
FIGS. 7A and 7B are diagrams showing an operation relationship of an automobile fuel supply pressure and an automatic fuel injection control apparatus according to the present invention; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an automatic fuel supply pressure and an automatic fuel injection control apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic view showing a state where the present invention is installed between a fuel tank and a fuel chamber of an engine, FIG. 2 is a perspective view showing an automatic fuel supply pressure and fuel atomization automatic control apparatus according to the present invention, FIGS. 4A and 4B are views showing the fuel control unit of the present invention, FIGS. 5A and 5B are views showing the fuel supply unit of the present invention, and FIGS. 6 is a view showing the fuel discharge portion and the fuel supply conversion portion of the present invention.

1 to 6, an automatic fuel supply pressure and fuel spray automatic control apparatus 100 according to the present invention includes a main body 110 connected to a fuel pump 104 of a fuel tank 102, A fuel control unit 210 installed inside the main body 110 for controlling the fuel supplied by the fuel pump 104 and a fuel supply unit 310 for supplying fuel provided at the lower end of the fuel control unit 210 A fuel discharge portion 410 that receives fuel from the fuel supply portion 310 and discharges fuel to be supplied to the combustion chamber 108 of the engine 106; And a fuel supply conversion unit 510 for converting the supply of fuel supplied to the fuel discharge unit 410.

Here, the main body 110 is provided with a fuel supply cylinder 112 formed in a container shape with its top opened.

Furthermore, a cover member 120, which is coupled and fixed to the fuel supply cylinder 112 by a welding fixture so that the upper portion of the fuel supply cylinder 112 is covered, and a through hole 122 is formed at a central portion thereof.

The fuel supply pipe 112 is connected to the upper end of the fuel supply pipe 112 so as to communicate with the inner side of the fuel supply pipe 112 and connected to the fuel pump 104 of the fuel tank 102 by a connection means, (Not shown).

The liquid fuel is supplied to the inside of the fuel supply cylinder 112 through the fuel introduction pipe 130 by the operation of the fuel pump 104 provided in the fuel tank 102, So that the formed projection line and the liquid fuel are supplied in a state where friction occurs and atomization is performed.

The fuel control unit 210 includes an upper plate 212 disposed inside the fuel supply cylinder 112 and positioned at a lower end of the fuel introduction pipe 130 and having a fuel injection hole 214 formed therein at a predetermined position do.

Here, a plurality of spacing plates 220 are provided at the lower end of the upper plate 212, and are stacked in a multilayer structure at a lower end and have a fuel flow hole 222 formed at a central portion thereof.

Further, a fuel hole 226 is formed at a predetermined position between the plurality of spacing plates 220, and a fuel flow plate 224 having a plurality of embossings 228 in the circumferential direction is provided.

At this time, the fuel holes 226 formed in the respective fuel flow plates 224 are formed to be staggered from each other.

In addition, a plurality of intermediate spacers 230 are provided at the center of the fuel flow holes 222 formed in the plurality of spacers 220.

At this time, concavities and convexities 222a are formed on the inner circumferential surface of the fuel flow hole 222 formed at the center of the spacer plate 220, and gear teeth 230a are formed on the outer circumferential surface of the spacer plate 230.

Therefore, the liquid fuel supplied to the inside of the fuel supply cylinder 112 through the fuel introduction pipe 130 is moved downward through the fuel injection hole 214 formed in the upper plate 212, and the liquid fuel Is moved downward through the fuel flow holes 222 of the spacer plate 220 and the fuel holes 226 of the fuel flow plate 224 so that the recesses 222a formed in the spacer plate 220 and the fuel flow plate 226 The liquid fuel becomes atomized by the mutual contact and friction action by the fuel pressure on the embossing 228 formed on the intermediate spacer 230 and the teeth 230a formed on the intermediate spacer 230.

The plurality of spacers 240 are provided closely to the lower part of the spacer 220 provided at the bottom of the spacing plates 220 and have a fuel passage 242 formed at the center thereof .

Here, a plurality of the plurality of spaced apart plates 244 are provided between the spacing pieces 240, and the plate 244 having the fuel passage 246 formed at the center thereof is provided.

Further, a plurality of support plates 248 are provided at the center of the fuel passages 242 and 246 formed in the gap piece 240 and the close plate 244, respectively.

Accordingly, the liquid fuel supplied from above is supplied to the lower portion through the gap pieces 240 and the fuel passages 242 and 246 formed in the close plate 244.

The fuel supply unit 310 includes a fuel supply chamber 314 formed at a center of the fuel supply unit 310 and a fuel supply container 312 installed at a lower portion of the gap unit 240 .

The fuel supply chamber 314 of the fuel supply container 312 has a lower end portion and an upper portion thereof has a plurality of support plates 248, a fuel guide plate 224, an intermediate spacer 230, and a central portion of the upper plate 212 And a fuel suction pipe 320 having protruding lines formed therein is provided on the inner circumferential surface.

At this time, a nut is fixedly coupled to the fuel suction pipe 320 to fix the fuel suction pipe 320.

Accordingly, the liquid fuel moving downward through the fuel control unit 210 is supplied to the inner fuel supply chamber 314 of the fuel supply container 312, and the liquid fuel supplied to the fuel supply chamber 314 is supplied to the fuel suction pipe 320, To the fuel discharge unit 410 through the fuel supply pipe 410.

The upper plate 212 of the fuel control unit 210, the spacing plate 220, the fuel flow plate 224, the spacing piece 240, the closer plate 244, and the fuel supply container 312 are formed of a plurality of fixing bolts Or fixed by a fixing means such as a rivet.

The fuel discharge unit 410 is installed on the upper plate 212 of the fuel control unit 210 and has a fuel chamber 414 formed therein to house the upper end of the fuel suction pipe 320, (412) having a communication hole (416) communicating with the connection member (414).

The other side portion is located at the outer side portion through the fuel supply cylinder 112 and connected to the combustion chamber 108 of the engine 106 and the connecting means or the like And a fuel discharge pipe 420 having a plurality of protruding lines formed on an inner circumferential surface thereof.

Accordingly, the liquid fuel is supplied to the fuel chamber 414 of the relay member 412 through the fuel suction pipe 320, the liquid fuel supplied to the fuel chamber 414 is discharged through the fuel discharge pipe 420, 106 to the combustion chamber 108.

On the other hand, fuel friction shafts 330 and 430 are provided inside the fuel suction pipe 320 and the fuel discharge pipe 420, respectively.

Accordingly, the liquid fuel is atomized during the passage of the liquid fuel through the fuel suction pipe 320 and the fuel discharge pipe 420.

The fuel supply conversion unit 510 is provided at an upper portion of the relay member 412 and has a flow hole 514 corresponding to the communication hole 416 of the relay member 412 at the center thereof, And a housing 512 having a suction hole 516 formed on its side so as to communicate with the housing 514.

Here, a solenoid 520 installed on the upper portion of the housing 512 and installed to protrude from the upper portion of the cover member 120 is provided.

The lower end of the solenoid 520 is coupled to the fuel chamber 414 of the relay member 412 so as to perform a sliding operation in the flow hole 514 of the housing 512, 530).

Accordingly, the swing shaft 530 performs the sliding operation on the flow hole 514 of the housing 512 by the solenoid 520. [

At this time, a sealing 518 for preventing leakage of the liquid fuel is provided at the upper end of the flow hole 514 of the housing 512.

The first packing 532 selectively opens and closes the upper portion of the fuel suction pipe 320. The first packing 532 is spaced apart from the upper portion of the first packing 532, And a second packing 534 for opening and closing the communication hole 416 of the second chamber 412.

Accordingly, the flow shaft 530 rises upward to close the communication hole 416 of the relay member 412 by using the second packing 534, and the upper portion of the fuel suction pipe 320 is opened, The liquid fuel supplied through the suction pipe 320 is discharged through the fuel discharge pipe 420 and supplied to the engine 106. When an abnormality occurs in the fuel supply through the fuel control unit 210 and the fuel supply unit 310, The upper end of the fuel suction pipe 320 is closed by using the first packing 532 while the second packing 534 is lowered to move the upper end of the fuel suction pipe 320 downward, The communication hole 416 is opened so that the liquid fuel is sucked through the suction hole 516 of the housing 512 to be supplied to the fuel chamber 414 of the relay member 412 and discharged through the fuel discharge pipe 420, 106, respectively.

Also, a cap 540 is provided on the upper portion of the housing 512 to cover the solenoid 520.

The operation relationship of the fuel supply pressure and the fuel atomization automatic control apparatus according to the present invention will be described below.

FIG. 6 is a graph showing the relationship between the fuel supply pressure for the automobile and the automatic control device for the fuel atomization according to the present invention.

As shown in the figure, the automotive fuel supply pressure and automatic fuel injection control apparatus 100 according to the present invention firstly opens the upper portion of the fuel suction pipe 320 while the movable shaft 530 is lifted upward, The fuel pump 104 of the fuel tank 102 is operated by the suction force of the engine 106 while the flow hole 514 of the housing 512 is closed by the packing 534, So that the liquid fuel is supplied to the upper portion of the upper plate 212 provided inside the fuel supply cylinder 112.

The liquid fuel supplied to the upper portion of the upper plate 212 moves downward through the fuel injection hole 214 formed in the upper plate 212.

The liquid fuel that has moved down through the fuel injection hole 214 of the upper plate 212 flows into the fuel inlet hole 224 of the spacer 220 and the liquid fuel flows into the fuel flow plate 224 And passes through the plurality of spacer plates 220 and the fuel flow plate 224 in such a manner as to move downward through the fuel holes 226.

At this time, the liquid fuel moved downward through the fuel holes 222 of the spacer plate 220 and the fuel holes 226 of the fuel flow plate 224 passes through the irregularities 222a formed on the spacer plate 220 and the fuel The liquid fuel becomes atomized by mutual contact and friction between the embossing 228 formed on the flow plate 224 and the teeth 230a formed on the intermediate spacer plate 230 due to fuel pressure.

The liquid fuel that has passed through the spacer plate 220 and the fuel flow plate 224 in this state is supplied to the fuel supply chamber 314 of the fuel supply container 312 through the gap piece 240 and the close plate 244 do.

The liquid fuel supplied to the fuel supply chamber 314 is supplied to the fuel chamber 414 of the relay member 412 through the fuel suction pipe 320 and the liquid fuel supplied to the fuel chamber 414 is supplied to the fuel discharge pipe 420 to be supplied to the combustion chamber 108 of the engine 106.

At this time, an air layer is formed in the upper part of the fuel supply chamber 314 of the fuel supply container 312 to generate air pressure, so that the fuel is supplied to the fuel supply cylinder 112 and the fuel supply chamber 314 The fuel is sucked through the fuel suction pipe 320 and the fuel discharge pipe 420 in accordance with the piston suction force of the combustion chamber 108 of the engine 106 so that a necessary amount of fuel is supplied to the fuel supply pipe .

The liquid fuel in the fuel supply chamber 314 in the fuel supply container 312 is supplied through the fuel suction pipe 320 to the fuel discharge pipe 420 through the fuel chamber 414 in accordance with the piston suction force of the combustion chamber 108 of the engine 106 The protruding line formed in the fuel suction pipe 320 and the protruding line formed in the fuel suction pipe 320 during the movement of the liquid fuel by the fuel friction shafts 330 and 430 provided inside the fuel suction pipe 320 and the fuel discharge pipe 420, Friction with the friction shaft 330 results in primary atomization.

The fuel that has been firstly atomized in the fuel suction pipe 320 is subjected to secondary atomization due to the friction between the protrusion line formed in the fuel discharge pipe 420 and the fuel friction shaft 430 and is supplied to the piston suction force of the combustion chamber 108 So that the liquid fuel sucked and supplied is atomized and supplied.

When the supply of the liquid fuel to the combustion chamber 108 of the engine 106 occurs through the fuel control unit 210 and the fuel supply unit 310, the solenoid 520 is operated.

When the solenoid 520 is operated, the flow shaft 530 is moved downward and the flow hole 514 of the housing 512 is opened and closed by the second packing 534, The first packing 532 blocks the upper portion of the first packing 320.

The first packing 532 blocks the fuel suction pipe 320 by the operation of the moving shaft 530 and the flow hole 514 of the housing 512 blocked by the second packing 534 is opened The liquid fuel introduced into the fuel supply cylinder 112 through the fuel introduction pipe 130 by the suction force generated by the piston of the engine 106 flows through the suction hole 516 formed in the housing 512 The fuel that has been moved to the fuel chamber 414 is supplied to the combustion chamber 108 of the engine 106 via the fuel discharge pipe 420. The fuel is then supplied to the fuel chamber 414 of the relay member 412,

Accordingly, the operation of the solenoid 520 causes the fluid 530 to operate and the flow hole 514 of the housing 512 is opened and the fuel suction pipe 320 is shut off, The liquid fuel supplied to the engine 112 is supplied to the engine 106 via the fuel chamber 414 formed in the relay member 412 of the fuel discharge portion 410 directly without passing through the fuel control portion 210 and the fuel supply portion 310. [ And is supplied to the combustion chamber 108.

Although the present invention has been described in connection with the preferred embodiments thereof with reference to the accompanying drawings, it is to be understood that the scope of the appended claims, the scope of the appended claims, It is also within the scope of the present invention.

100: Automotive fuel pressure and fuel atomization automatic regulator
102: fuel tank 104: fuel pump
106: engine 108: combustion chamber
110: main body part 112: fuel supply cylinder
120: cover member 122: through hole
130: fuel introduction pipe 210: fuel control unit
212: top plate 214: fuel injection hole
220: spacer plate 222: fuel flow hole
222a: concave and convex 224: fuel flow plate
226: fuel ball 228: embossing
230: Intermediate spacer 230a: Toothed
240: spacing piece 242:
244: tight plate 246: fuel rod
248: Support plate 310: Fuel supply part
312: fuel supply container 314: fuel supply chamber
320: Fuel suction pipe 330: Fuel friction shaft
410: fuel discharge part 414:
414: fuel chamber 416: communication hole
420: fuel discharge pipe 430: fuel friction shaft
510: fuel supply conversion unit 512: housing
514: Flowing hole 516: Suction hole
518: sealing 520: solenoid
530: Fluid shaft 532: First packing
534: second packing 540: cap

Claims (10)

An automatic fuel feed pressure and fuel atomization automatic regulating device comprising a main body, a fuel control part provided inside the main body, a fuel supply part provided at a lower end of the fuel control part, and a fuel discharge part provided at an upper end of the fuel control part In this case,
And a fuel supply conversion unit installed at an upper end of the fuel discharge unit to change a fuel supply path,
Wherein the fuel supply-
A housing provided above the relay member of the fuel discharge portion,
A solenoid installed at an upper portion of the housing and installed in a through hole formed in a cover member of the main body,
A fluid shaft installed at a lower portion of the solenoid and passing through the housing and having a lower portion located in the fuel chamber of the relay member,
And a cap provided on an upper portion of the housing to cover the solenoid.
The method according to claim 1,
Wherein the main body includes a fuel supply passage formed in a container shape with an open top,
A cover member covering an upper portion of the fuel supply cylinder,
And a fuel introduction pipe provided at an upper end portion of the fuel supply cylinder so as to communicate with the inside of the fuel supply pipe. The method according to claim 1,
Wherein the fuel control unit is disposed at a lower end of the fuel introduction pipe of the main body and includes an upper plate on which a fuel injection hole is formed,
A plurality of spacers disposed at a lower end of the upper plate and having a fuel flow path formed at a central portion thereof,
And a fuel flow plate formed with a fuel hole between the plurality of spacing plates. The method of claim 3,
And a lower end of the lower-end spacing plate is provided with a fuel passage at a central portion thereof,
And a plurality of tightening plates provided between the plurality of spacers and having a fuel passage at a central portion thereof. 5. The method of claim 4,
The fuel flow path of the spacer plate is provided with a plurality of intermediate spacers,
And a plurality of support plates stacked on the center of the gap piece and the close plate. The method according to claim 1,
Wherein the fuel supply unit is coupled to a lower portion of the gap provided at the lower end of the fuel control unit and includes a fuel supply chamber having a fuel supply chamber formed at a central portion thereof,
Wherein the lower portion is located in the fuel supply chamber of the fuel supply container and the upper portion is provided with a fuel suction pipe protruding to the upper portion of the upper portion of the fuel control portion. The method according to claim 1,
The fuel discharge portion is provided on the upper plate of the fuel control portion and the fuel chamber in which the upper portion of the fuel suction pipe of the fuel supply portion is located is formed and the relay member having the communication hole is formed on the upper portion,
And a fuel discharge pipe communicating with one side of the fuel chamber of the relay member and protruding outside the fuel supply cylinder of the main body. delete The method according to claim 1,
Wherein the housing has a flow hole communicating with a fuel chamber of a relay member at a central portion thereof and a suction hole communicating with a flow hole formed at a side portion thereof. The method according to claim 1,
Characterized in that the flow axis is bound to a flow hole of the housing and a first packing is provided at a lower end located in the fuel chamber and a second packing is provided at an upper end spaced from the first packing, Automatic regulator.
KR1020140113072A 2014-08-28 2014-08-28 Apparatus for automatically controlling fuel supply pressure and fuel atomization for cars KR101579436B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020140113072A KR101579436B1 (en) 2014-08-28 2014-08-28 Apparatus for automatically controlling fuel supply pressure and fuel atomization for cars
PCT/KR2015/008380 WO2016032147A1 (en) 2014-08-28 2015-08-11 Apparatus for automatically controlling vehicle fuel supply pressure and fuel atomization
CN201580046514.3A CN106605059B (en) 2014-08-28 2015-08-11 Motor vehicle fuel supply pressure and fuel atomization automatic regulating apparatus

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KR1020140113072A KR101579436B1 (en) 2014-08-28 2014-08-28 Apparatus for automatically controlling fuel supply pressure and fuel atomization for cars

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WO2023243923A1 (en) * 2022-06-17 2023-12-21 주식회사 쓰리엔텍 Apparatus for automatically controlling fuel supply pressure and fuel atomization for internal combustion engine of vehicle and like

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KR20000045757A (en) * 1998-12-30 2000-07-25 정주호 Fuel injection control apparatus of automotive vehicle
JP4939412B2 (en) * 2005-07-06 2012-05-23 株式会社ミツバ Fuel supply device
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KR20050025693A (en) * 2003-09-08 2005-03-14 정인범 Fuel reduction apparatus
KR20060091792A (en) * 2005-02-15 2006-08-22 최인섭 Atomization multi-stage supplying fuel device of motor vehicle
KR20060070521A (en) * 2006-06-05 2006-06-23 김성모 Reduction of exhaust gas fuel economy system for an internal combustion engine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023243923A1 (en) * 2022-06-17 2023-12-21 주식회사 쓰리엔텍 Apparatus for automatically controlling fuel supply pressure and fuel atomization for internal combustion engine of vehicle and like
KR20230173296A (en) 2022-06-17 2023-12-27 주식회사 쓰리엔텍 (Apparatus for automatically controlling fuel supply pressure and fuel atomization for internal combustion engine

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CN106605059A (en) 2017-04-26
CN106605059B (en) 2019-05-07
WO2016032147A1 (en) 2016-03-03

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