JP2008051065A - Fuel consumption support hybrid fuel system for brown gas and resource fuel, and control system therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To achieve both the securement of power accompanied by the generation of brown gas in a traveling vehicle and the development of a large-capacity capacitor and a highly efficient gas generator, and provide a technology for safely handling hydrogen. <P>SOLUTION: In a state that the storage capability of a battery is limited, while a part of power generated by a traveling vehicle is stored, the generated power is directly converted into brown gas to be introduced into an internal combustion engine. Consequently, the whole power generated by a generator of a vehicle can be utilized. In addition, a system for safely handling hydrogen is incorporated into the vehicle to obtain the fuel support hybrid fuel system. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fuel / fuel-assistance hybrid fuel system for brown gas and resource fuel, which brings about reduction of carbon dioxide emissions, zero emission, and low fuel consumption to an internal combustion engine by Brown gas, and control thereof.

  Brown gas and existing internal combustion engines that contribute to reducing fuel consumption, reducing carbon dioxide emissions and reducing emissions by storing power generated by an onboard internal combustion engine without waste and converting it to brown gas as needed This is a fuel-efficient hybrid fuel system that includes a wide range of control. An internal combustion engine for Brown gas is described in Patent Document 1.

  The conventional internal combustion engine using brown gas described in Patent Document 1 thermally decomposes water with plasma and uses the water vapor and a slight amount of brown gas to operate a rotary engine and a gas turbine, and the brown gas and emulsion Is supplied to the internal combustion engine.

JP-A-10-266900. However, since the conventional internal combustion engine described in Patent Document 1 generates brown gas by thermal decomposition with plasma, a large amount of water vapor is generated, which is inappropriate as a combustion gas, and uses a large amount of voltage and current. Inefficient. In addition, technical problems such as securing power necessary for generating brown gas, storing electricity, and a high-efficiency gas generator have not been made.

  In order to supply the necessary brown gas to the in-vehicle internal combustion engine, a sufficient power generation device, a large-capacity power storage device, a high-efficiency gas generator and a wide control system are required.

  The present invention is characterized by including a power generation device that generates a large amount of electricity, a high-efficiency gas generator, a large-capacity power storage device, and a control computer that covers a wide range of driving conditions.

  It is a system that converts the amount of power generated by a power generator driven by an on-board internal combustion engine into brown gas efficiently and is mixed or directly fed into the internal combustion engine, and at the same time controls the reduction of resource fuel by a control computer.

    A gas generator that generates brown gas with high efficiency is characterized in that a water tank for supplying water for electrolysis necessary for generating brown gas is always connected by piping.

  A power supply device is connected on the wiring between the gas generator and the large-capacity power storage device, and an appropriate voltage and current are supplied to the gas generator by the control system.

  According to the present invention, the power generation amount of a power generation device driven by an onboard internal combustion engine is efficiently converted into brown gas, thereby reducing fuel consumption, improving exhaust gas emissions, reducing resource fuel consumption, and global warming. It can contribute to the prevention of globalization and improvement of the global environment.

  The combined use and control of brown gas and resource fuel according to the embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic diagram showing the present invention, and FIG. 2 is a schematic diagram showing piping, wiring, and a control range thereof. Further, FIG. 3 is a flowchart of the running pattern.

  As shown in FIG. 1, power generation is performed by the power generation device 3 in accordance with the rotational force of the internal combustion engine 2. The generated power is temporarily stored in the large-capacity power storage device 6 through the charging circuit ES1, or is directly converted into brown gas by the gas generator 8 through the current supply circuit ES2 as it is, and gas is supplied under the control of the control computer 5. Supplied to the internal combustion engine 2 through the pipe MH2.

  The current supply circuit ES2 is provided with a DC power supply device 6, and the water supply pipe MH1 is provided with a water tank for a gas generator.

  The control of the control computer 5 is sequentially controlled by the control circuits C1 to C6 based on information from the control sensor (not shown).

  The in-vehicle internal combustion engine 2 is controlled in the range of 0% to 100% of the appropriate resource fuel discharge amount through the fuel pump 4 via the control circuit C1 to C6, based on the driving situation, the amount of brown gas generated, and the remaining amount of electricity stored. Controlled by computer 5.

  The power generation device 3 driven by the vehicle-mounted internal combustion engine 2 is obtained by the control computer 5 via the control circuit C2, and the appropriate amount of fuel is supplied from the fuel pump 4 to the internal combustion engine 2 through the control circuit C1. .

  The large-capacity power storage device 6 is located on the charging circuit ES1, grasps the remaining amount of power storage via the control circuit C5, controls the fuel pump 4 through the control circuit C1, and appropriately determines the discharge amount of the resource fuel. Supply.

  The gas generator 8 is on the wiring of the current supply circuit ES2, and is connected to the water tank 9 to the water supply pipe MH1. Under the control of the control computer 5 via the control circuit C4, the amount of brown gas generated and the amount of resource fuel discharged by the fuel pump 4 are always controlled.

  A water tank 9 is connected to the gas generator 8 through a water supply pipe MH1, the remaining amount of water is monitored by the control computer 5, and information is provided to the driver.

  A DC power supply device 7 is arranged on the current supply circuit ES2 between the large-capacity power storage device 6 and the gas generator 8, and the control for providing the voltage and current necessary for the gas generator 8 is automatically controlled inside the gas generator 8. .

  The travel pattern in FIG. 3 is as shown in the flowchart 1. The outline is as follows: during acceleration S1-2 and uphill S1-6, in addition to the amount of gasoline during normal cruise, brown gas is supplied to the required amount of internal combustion engine 2. It is characterized by obtaining the necessary power without increasing the resource fuel.

  The present invention makes it possible to reduce resource fuel used in an on-board internal combustion engine, to reduce carbon dioxide, and to improve exhaust gas by using a brown gas generator, which greatly contributes to prevention of global warming and improvement of the global environment. Can contribute.

1 is a schematic configuration diagram illustrating a brown gas and an internal combustion engine system according to an embodiment of the present invention. (Example 1) FIG. 2 is a schematic configuration diagram showing piping and circuits of Brown gas and an internal combustion engine system according to an embodiment of the present invention. (Example 2) 3 is a flowchart 1 showing the order of traveling patterns by Brown gas and an internal combustion engine system according to an embodiment of the present invention. (Example 3)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle main body 2 Internal combustion engine 3 Power generation device 4 Fuel pump 5 Control computer 6 Large-capacity power storage device 7 DC power supply device 8 Gas generator 9 Water tank
ES1 charging circuit
ES2 Current supply circuit
ES3 Earth circuit
ES4 Earth circuit
MH1 water supply piping
MH2 gas supply pipe

Claims (5)

  This system includes a large-capacity power storage device that efficiently stores the generated power of a power generator driven by a vehicle and a general internal combustion engine, and a hydrogen / oxygen mixed gas (hereinafter collectively referred to as “Brown gas”) using the stored power or generated power. And a fuel such as gasoline, light oil, ethanol, and heavy oil (hereinafter collectively referred to as “resource fuel”) used in internal combustion engines of conventional vehicles. Or a fuel pump for supplying resource fuel to the internal combustion engine, and a control computer for controlling the fuel fuel discharge amount, Brown gas discharge amount and vehicle operation associated therewith. It is a hybrid fuel system.   This is a hybrid fuel system of brown gas and resource fuel that can reduce CO2 emissions and produce harmless exhaust because it does not increase the amount of resource fuel used in the vehicle internal combustion engine. While traveling, the power generated by the power generation device driven by the internal combustion engine is used to generate brown gas by the gas generator, and this is mixed or directly charged with the resource fuel into the inlet manifold and cylinder, and at the same time the resource is generated by the control computer. The fuel efficiency support hybrid of brown gas and resource fuel according to claim 1, wherein the fuel efficiency can be greatly improved during normal driving and acceleration by appropriately increasing and decreasing the amount of fuel and brown gas. It is a fuel system.   The gas generator for generating brown gas is a fuel / fuel-assistance hybrid fuel system for brown gas and resource fuel according to claim 1 or 2, further comprising a water tank connected by a water supply pipe.   3. A fuel efficiency support hybrid of brown gas and resource fuel according to claim 1 or 2, wherein a power supply device is provided between the gas generator for generating brown gas and the large-capacity power storage device, and an appropriate voltage and current are supplied to the gas generator. It is a fuel system. Controls the internal combustion engine status, the amount of power generated by the power generator, the remaining amount of electricity stored in the large-capacity storage device, the temperature state of the gas generator, and the remaining amount of water in the water tank. Brown gas and internal combustion engine control method that suppresses low fuel consumption by responding.

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