KR100822733B1 - Watergas supply apparatus for internal combustion engine - Google Patents

Abstract

A watergas supply apparatus for an internal combustion engine is provided to improve combustion efficiency of the engine by adjusting the mixture ratio of outdoor air and water gas through the control of inflow of outdoor air and adjusting the volume of mixture gas supplied to the internal combustion engine in accordance with the condition of the internal combustion engine. A watergas supply apparatus for an internal combustion engine, includes a watergas generating unit(110), a pump(120), a storage tank(130), an anti-backfire valve(140), a solenoid valve(150), a pressure reducing unit(160), an air mixer(170), and an internal combustion engine(200). The watergas generating unit generates watergas of a mixture of oxygen and hydrogen from an electrolytic analysis of electrolyte. The pump delivers water gas generated from the watergas generating unit in high pressure. The storage tank stores water gas delivered by the pump in high pressure. The anti-backfire valve is arranged in the outlet pipe side of the storage tank so as to prevent flame from advancing in a reverse direction. The solenoid valve selectively opens/shuts supply of watergas from the storage tank. The pressure reducing unit reduces pressure of watergas to the level suitable for the internal combustion engine. The air mixer mixes watergas and outdoor air. The internal combustion engine receives watergas from the air mixer through an intake manifold and explodes the watergas to convert itself into mechanical energy.

Description

Water gas supply apparatus for internal combustion engines

1 is a block diagram of a water gas supply apparatus for an internal combustion engine of the present invention;

2 is a cross-sectional view of a water gas generator of the water gas supply apparatus for an internal combustion engine of the present invention;

Figure 3 is a cross-sectional view of the back check valve of the water gas supply device for an internal combustion engine of the present invention,

4 is a cross-sectional view of an air mixer of the water gas supply device for an internal combustion engine of the present invention;

5 is a configuration diagram of another embodiment of the water gas supply apparatus for an internal combustion engine of the present invention;

6 is a cross-sectional view of a mixing nozzle of another embodiment of the water gas supply device for an internal combustion engine of the present invention.

※ Explanation of code for main part of drawing

110: water gas generating unit 112: electrolytic bath

114: electrolyte bath 116: cooling means

120: pump 130: storage tank

140: check valve 142: nozzle

144: rubber tube 150: solenoid valve

160: reducer 170: air mixer

171: Venturi building 172: Inlet

173: outlet 174: inlet nozzle

175: first control valve 176: second control valve

180: control unit 190: mixing nozzle

191: Venturi building 192: Inlet

193: outlet 194: fuel tank

195: Atomizer 196: Opening and closing valve

197: control valve 200: internal combustion engine

The present invention relates to a water gas supply apparatus for an internal combustion engine, which increases the fuel efficiency of the internal combustion engine and improves the fuel efficiency of the water gas by mixing external air with water gas and supplying the internal combustion engine.

In recent years, as a result of indiscriminate development of nature without neglecting harmony with the environment, the natural environment is seriously polluted, and air pollution causes enormous damage to the survival of animals and plants. The situation is seriously threatening. In particular, damage caused by air pollution, that is, sulfur dioxide, is the cause of acid rain, and air emissions of nitrogen compounds are the main causes of various adult diseases, cancer, and incurable diseases. The emissions of the harmful air emitted from engine exhaust gas or general industrial sites are increasing year by year, and the situation of serious health threats to the health of people due to the inclusion of substances harmful to the human body, such as environmental hormones.

In order to prevent the enormous damages caused by air pollution, researches on environmentally friendly energy sources are being actively conducted. In particular, researches on devices that make use of hydrogen and oxygen generated by electrolysis of water are being actively conducted. .

A device for generating water gas by electrolyzing water is a device for producing oxygen and hydrogen, which are products obtained by electrolysis of water, and supplies water containing a small amount of electrolyte in an electrolytic cell in which a positive electrode and a negative electrode are installed. By applying a voltage, water gas, which is a pollution-free energy source, is generated. In general, a water gas mixed at an optimal ratio of hydrogen: oxygen = 2: 1 is generated.

Since the water gas is composed of 2: 1 of hydrogen and oxygen, it is a very non-polluting fuel having a characteristic of completely burning during combustion, and thus, a technology for converting the water gas into mechanical energy using the water gas as described above is required.

The present invention has been made in order to solve the above problems by mixing the external air in the water gas and supplying the internal combustion engine to increase the combustion efficiency of the internal combustion engine and improve the fuel efficiency of the water gas supply apparatus for the internal combustion engine The purpose is to provide.

In addition, the water gas supply device for the internal combustion engine of the present invention controls the inflow of the external air by adjusting the first control valve installed in the inlet nozzle of the air mixer according to the starting and idling state of the internal combustion engine, the step of pressing the accelerator pedal. In addition to controlling the mixing ratio of the water gas, by controlling the supply amount of the mixed gas supplied to the internal combustion engine by adjusting the second control valve installed in the outlet of the air mixer provides a water gas supply device for the internal combustion engine to increase the combustion efficiency of the internal combustion engine. The purpose is to do that.

Water gas supply device for an internal combustion engine according to the present invention for achieving the above object is a water gas supply device for an internal combustion engine, the water gas generating unit for generating a water gas mixed with oxygen and hydrogen by electrolyzing an electrolyte solution; A pump for transferring the water gas generated from the gas generator to a high pressure; and a storage tank for storing the water gas at a high pressure by the pump; and installed at the discharge pipe side of the storage tank to prevent the flame from traveling in the reverse direction. A flashback prevention valve; and a solenoid valve for selectively opening and closing the supply of water gas discharged from the storage tank; and a pressure reducer for lowering the pressure of the water gas to a pressure for supplying the internal combustion engine; and water gas and external air. An air mixer for mixing; And, an internal combustion engine receiving gas from the air mixer through the intake manifold and exploding therein to convert the gas into mechanical energy.

The air mixer is a mixture of water gas and external air, the venturi tube having a narrow central diameter, the water gas inlet and outlet formed at both ends of the venturi tube, and the inlet nozzle having a tip outlet disposed at the center of the venturi tube. It is preferable to include.

The air mixer is preferably provided with a first control valve for controlling the inflow amount of the external air in the inlet nozzle.

The air mixer is preferably provided with a second control valve for controlling the discharge of the mixed gas in the discharge pipe.

The water gas supply apparatus for an internal combustion engine of the present invention preferably further includes a control unit for adjusting the first and second control valves of the air mixer according to the starting and idling states of the internal combustion engine and the stepped accelerator pedal.

The water gas supply device for an internal combustion engine of the present invention preferably further includes a mixing nozzle for supplying fossil fuel in a gas state to the water gas passing through the air mixer.

Hereinafter, a preferred embodiment of the water gas supply device for an internal combustion engine of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of a water gas supply apparatus for an internal combustion engine of the present invention, FIG. 2 is a cross-sectional view of a water gas generator of the water gas supply apparatus for an internal combustion engine of the present invention, and FIG. 3 is a water gas supply apparatus for an internal combustion engine of the present invention. Fig. 4 is a cross sectional view of an air mixer of the water gas supply device for an internal combustion engine of the present invention.

The water gas supply device for an internal combustion engine of the present invention as shown in the drawings has a water gas generator 110, a pump 120, a storage tank 130, a flashback prevention valve 140, and a solenoid valve 150. ), A pressure reducer 160, an air mixer 170, a control unit 180, and an internal combustion tube 200.

The water gas generator 110 is composed of an electrolytic cell 112, an electrolytic solution tank 114, and a cooling means 116. First, the electrolytic cell 112 electrolyzes the electrolyte contained therein to mix hydrogen and oxygen. And a case, an electrode member, a plurality of electrolytic plates, an insulating member interposed between the electrolytic plates, a connecting rod for fastening the members, and the like, to generate the water gas. Consists of a tank in which the electrolyte solution for supplying to the electrolytic cell 112 is accommodated therein, the cooling means 116 is a radiator through which the coolant circulated outside the electrolytic cell 112 by the pump 120, the radiator It consists of a cooling fan to reduce the temperature of the cooling water by supplying external air toward the.

The pump 120 transmits the water gas generated by the water gas generator 110 at a high pressure, and an air pump 120 for transferring the water gas is used.

The storage tank 130 stores the water gas supplied by the pump 120 at a predetermined pressure. The storage tank 130 includes a pressure gauge indicating a storage pressure of the water gas, and is opened when a predetermined pressure is exceeded. Pressure pins are formed.

The flashback prevention valve 140 is connected to the discharge side water gas supply line of the storage tank 130 to prevent the flame from traveling in the reverse direction, as shown in Figure 3 fluororubber (fluororubber) in the nozzle 142 Rubber tube 144 of the material is made of a structure inserted. Accordingly, the water gas may move from the left side to the right side of the drawing, but if it is to proceed from the right direction to the left direction, the rubber tube 144 may block the nozzle 142 by external pressure and thus may not proceed.

The solenoid valve 150 opens or cuts off the supply line of the water gas by an electrical signal, and is installed in the water gas supply line between the storage tank 130 and the pressure reducer 160.

The pressure reducer 160 is an atmospheric pressure level of the water gas supplied at a high pressure by the pressure stored in the storage tank 130 in order to prevent excessive water gas is supplied to the internal combustion engine 200 and combustion is poor and fuel economy is poor. To lower it.

The air mixer 170 is to mix the water gas and the outside air, the venturi tube 171 is formed in a narrow central diameter, the water gas inlet 172 is formed at one end of the venturi tube 171 and the other end The outlet 173 is formed in the distal end of the inlet nozzle 174 into which the outside air flows in the center of the narrow venturi tube 171. That is, the tip of the water gas introduced into the inlet 172 of the air mixer 170 passes through the venturi tube 171 having a narrow tube diameter, and the front end of the water gas flows into the inlet nozzle 174 located in the venturi tube 171. As the outside air flows in, the water gas and the outside air are mixed to exit through the outlet 173.

In addition, the inlet nozzle 174 is formed with a first control valve 175 for adjusting the inflow of external air, the outlet 173 is formed with a second control valve 176 for adjusting the amount of mixed gas discharged. .

The control unit (ECU) 180 may control the first control valve 175 and the second control valve of the air mixer 170 according to the starting and idling states of the internal combustion engine 200 and the stepped accelerator pedal. 176) to adjust the supply ratio of the supplied water gas and the mixing ratio of the external air to improve the rotation state of the internal combustion engine 200, and the solenoid valve disposed in the supply line of the water gas depending on whether to start Control 150.

The internal combustion engine 200 receives a gas from the air mixer 170 through an intake manifold on the top thereof and converts the gas into internal energy by converting it into mechanical energy. The generator generates electricity on one side by driving the internal combustion engine. Preferably, the suction hole of the intake manifold is set to adjust the suction amount according to the exhaust amount of the internal combustion engine.

Hereinafter, the operation of the water gas supply device for an internal combustion engine of the present invention having the above configuration will be described.

First, when the electrolyte solution contained in the electrolyte solution tank 114 of the water gas generator 110 is supplied to the electrolytic cell 112 disposed below and electrolyzed in the electrolytic cell 112, the water gas mixed with oxygen and hydrogen is an electrolytic cell. Moving from the 112 to the electrolyte bath 114, the heat generated during the electrolysis in the electrolytic cell 112 is cooled by the cooling means 116 to improve the electrolysis efficiency.

The water gas electrolyzed by the water gas generator 110 and accommodated in the electrolyte tank 114 is forcibly sent out by the pump 120 disposed between the storage gas 130 and the water gas supply line connected to the storage tank 130. Is stored at a predetermined pressure, and the pressure pin provided at the upper end of the storage tank 130 prevents the water gas from being stored at a pressure higher than the pressure allowed by the storage tank 130, and stores the water gas through the pressure gauge. The pressure can be checked.

The water gas stored at the predetermined pressure in the storage tank 130 is supplied to the pressure reducer 160 through the back check valve 140 and the solenoid valve 150, which is shown in FIG. 3 in the back check valve 140. As described above, it is possible to move the water gas from the left side to the right side through the nozzle 142 having the rubber tube 144 inserted therein, but when the gas flows back from the right side, the rubber outside the nozzle 142 Tube 144 blocks the nozzle 142 by the external pressure is limited to the supply to the left. Therefore, even when the flame flows back, diffusion into the storage tank 130 in which the water gas is stored is prevented.

In addition, the solenoid valve 150 is installed in a supply line to which water gas is supplied together with the flashback prevention valve 140, and opens the supply line by a control signal of the controller 180 according to the on / off of the internal combustion engine. It can be closed or closed to control the supply of water gas.

The water gas supplied to the pressure reducer 160 in the state in which the solenoid valve 150 is opened is supplied with an excessive amount of water gas to the internal combustion engine 200 to prevent poor combustion and poor fuel economy. The pressure drops to the appropriate pressure required within 200).

Then, the water gas supplied to the air mixer 170 for mixing the water gas and the external air at an appropriate ratio is introduced into the inlet 172 of the air mixer 170 as it is shown in Figure 4 passes through the venturi tube 171 It is conveyed to the outlet 173. That is, the outside gas flows into the inlet nozzle 174 located at the venturi tube 171 by the pressure difference generated while the water gas introduced into the inlet 172 passes through the narrow venturi tube 171. The water gas and the outside air are mixed to exit through the outlet 173.

In particular, by adjusting the inflow of the outside air through the first control valve 175 formed in the inlet nozzle 174 into which the outside air flows, to adjust the mixing ratio of the water gas and the outside air, the second control valve of the outlet 173 By controlling the amount of the mixed gas supplied to the internal combustion engine through 176, the output of the internal combustion engine is adjusted according to the adjustment of the accelerator pedal.

The first control valve 175 and the second control valve 176 are adjusted while rotating by the control signal of the controller 180 in accordance with the start and idle state of the internal combustion engine 200, the stepped on the accelerator pedal water gas By adjusting the mixing ratio of the external air and the supply amount of the mixed gas, the combustion efficiency of the internal combustion engine 200 is improved, and the fuel efficiency of the water gas is reduced.

As described above, the water gas mixed with the external air at an appropriate ratio is supplied to the combustion chamber through the intake manifold of the internal combustion engine 200 to explode and converts the piston into mechanical energy.

In addition, the electricity produced by the generator provided in the internal combustion engine 200 is supplied to the electrolytic cell 112 of the water gas generator 110 to be used to electrolyze the electrolyte.

Hereinafter, another embodiment of the water gas supply device for an internal combustion engine of the present invention will be described with reference to the accompanying drawings.

5 is a configuration diagram of another embodiment of the water gas supply device for an internal combustion engine of the present invention, and FIG. 6 is a cross-sectional view showing the structure of a spray nozzle of another embodiment of the water gas supply device for an internal combustion engine of the present invention.

Another embodiment of the water gas supply apparatus for an internal combustion engine of the present invention as shown in FIG. 5 is a mixture in which a fossil fuel is mixed in a gaseous state with water gas between the air mixer 170 and the internal combustion engine 200 of the above-described embodiment. The nozzle 190 is further provided.

As shown in FIG. 6, the mixing nozzle 190 has an inlet port 192 and an outlet port 193 through which water gas flows into both ends of the venturi tube 191 having a narrow central diameter, and the venturi tube 193. A fuel tank 194 storing fossil fuel and supplying fossil fuel to the 191 and a sprayer 195 connected to the fuel tank 194 by a pipe and spraying fossil fuel in the center of the venturi tube 191. And an on-off valve 196 for opening and closing a pipe connecting the fuel tank and the sprayer.

In addition, a control valve 197 is provided at the outlet of the mixing nozzle 190. When the control valve 197 is installed as described above, a second control valve provided at the outlet 173 of the air mixer 170 is provided. It is preferable to omit 176.

Looking at the action of the mixing nozzle 190 as described above, the water gas mixed with the outside air while passing through the air mixer 170 is introduced through the inlet 192 of the mixing nozzle 190 is passed through the venturi tube 191 By the pressure difference generated while the fossil fuel stored in the fuel tank 194 is supplied in a gaseous state through the sprayer 195 disposed in the center of the venturi tube 191 is mixed with the water gas.

The water gas mixed with the fossil fuel is discharged through the outlet 193 of the mixing nozzle 190. The control valve 197 formed at the outlet 193 is controlled by the controller 180 to start and idle the internal combustion engine. The amount of fuel supplied to the internal combustion engine is adjusted according to the state and the state of the accelerator pedal depressed.

In addition, the supply line connecting the fuel tank 194 and the atomizer 195 in which the fossil fuel is stored is provided with an opening / closing valve 196 opened and closed by a control signal of the controller 180 to apply or block the supply of fossil fuel. It becomes possible.

On the other hand, although not shown in the drawing, the supply line connecting the fuel tank 194 and the atomizer 195 is preferably formed with a pump that provides a pressure for discharging the fossil fuel in the gaseous state from the atomizer 195. something to do.

The present invention as described above has an object to provide a water gas supply device for an internal combustion engine to improve the fuel efficiency of the water gas by supplying the external gas to the internal combustion engine by mixing the external air to the water gas.

In addition, by adjusting the first control valve installed in the inlet nozzle of the air mixer according to the starting state, idling state and the step of the accelerator pedal, not only the mixing ratio of the outside air and water gas is adjusted by adjusting the inflow amount of the outside air, By regulating the supply amount of the mixed gas supplied to the internal combustion engine by adjusting the second control valve installed in the outlet there is an effect of increasing the combustion efficiency of the internal combustion engine.

Claims (6)

In the water gas supply device for an internal combustion engine, A water gas generator configured to electrolyze the electrolyte to generate water gas in which oxygen and hydrogen are mixed; A pump for transferring the water gas generated from the water gas generator to a high pressure; A storage tank in which water gas is stored at a high pressure by the pump; Flashback prevention valve is installed on the discharge pipe side of the storage tank to prevent the flame from going in the reverse direction; A solenoid valve for selectively opening and closing the supply of water gas discharged from the storage tank; A pressure reducer for lowering the pressure of the water gas to a pressure for supplying the internal combustion engine; And, An air mixer for mixing water gas and external air; And, And an internal combustion engine receiving water gas from the air mixer through an intake manifold and exploding therein to convert into mechanical energy. The method of claim 1, The air mixer is a mixture of the water gas and the outside air inlet venturi tube formed in a narrow diameter of the center, the water gas inlet and outlet formed at both ends of the venturi tube, the inlet discharge end is arranged in the center of the venturi tube Water gas supply device for an internal combustion engine comprising a nozzle. The method of claim 2, The air mixer is a water gas supply device for an internal combustion engine, characterized in that the inlet nozzle is formed with a first control valve for controlling the inflow of external air. The method of claim 3, wherein The air mixer water gas supply device for an internal combustion engine, characterized in that the second control valve for controlling the discharge of the mixed gas in the discharge pipe is formed. The method of claim 4, wherein And a control unit for adjusting the first and second control valves of the air mixer according to the starting and idling states of the internal combustion engine and the stepping on the accelerator pedal. The method according to any one of claims 1 to 5, And a mixing nozzle for supplying fossil fuel in a gaseous state to the water gas passing through the air mixer.

Images