TW513524B - Engine capable of combusting liquid fuel and gasified fuel - Google Patents

Abstract

The present invention relates to an engine capable of combustion of liquid fuel and gasified fuel, comprising a fuel tank containing liquid fuel that is gasified and conducted into a supply tube for being supplied to a mixer. The mixer has an air intake port for drawing in air to mix with the gasified fuel and supplied to the engine for combustion and driving crankshaft of the engine. A liquid fuel pipe is connected to a bottom of the fuel tank and connected to a carburetor (or nozzle) mounted on a port of the mixer that is opposite to the air intake port for mixing liquid fuel with the air from the air intake port of the mixer and supplied to the engine for combustion to generate power of the engine.

Description

:) 丄 分 :) 丄 Sub-room No. 8912. Fifth, the description of the invention (1) The invention is a liquid improved structure technology field which can reduce oil and gas and reduce air pollution. It is very practical and general machinery. There are countless examples of operations, including Changs, but the use of petroleum, oil or gas generally refers to the crisis of oil consumption, causing oil or research institutions to think hard about their engines, and it is easy to produce. Gas consumption is especially a loss. It is usually used for a variety of purposes, such as: an engine for power generation or gas-based energy. Gas costs can be replaced by air pollution, such as driving the seed liquid, greatly reducing stool, and the need to introduce machinery. The cutting power source equipment is still a growing international case, and dyeing, repair, installation, and gas dual-use low fuel economy engines are used as grass mowing equipment, and the existence of materials and equipment has also skyrocketed, and oil and gas systems have led Fuel costs. Liyuan, locomotive, and shi shi are important because of their shortcomings. They are not easy to produce power units for gas and gas, and they are used to drive cars, oil, or watts. The shi shi before are generally used in explosive explosions. One person studied the spirit of invention, set out to research and develop, based on many years of professional experience and experience, carefully tested and innovated, and then came up with the present invention in order to improve the shortcomings of learning. The main object of the present invention is to provide a liquid-gas co-combustion engine driving device, which uses a fuel tank containing a liquid fuel liquid. A vaporized fuel gas can be generated in the fuel tank, and a gas pipe is connected for communication. To a mixer, and one end of the mixer is connected to an intake pipe, and the other end is sequentially connected to a nozzle and an engine, and a liquid fuel pipe is connected to the bottom of the fuel tank to be connected to the nozzle; By switching the path of the wheel gas pipe or liquid fuel pipe to reach the normal state, the gasified liquid fuel can be input into the engine and the engine can be driven by ignition.

Page 4 513524 _Case No. 89123330_Year_Month_Enchantment__ 5. Description of the invention (2) When there is a problem with the liquid pipeline, it can be switched to a good path to ensure the usability of the engine and increase the practicability of the engine , And can significantly reduce the fuel cost of engines and polluters. In order to enable your reviewing committee to further understand the structural features and practical effects of the present invention, the preferred embodiments described below are described in detail with the drawings as follows: < Detailed description of the invention > As shown in the first figure, this The invention relates to a driving device for a liquid-gas co-combustion engine, which is a fuel tank (1 0) having liquid fuel therein. One side of the fuel tank (10) is provided with an oil cap (1 1) capable of replenishing liquid fuel. The other side is provided with an air intake device (12). The air intake device (12) is a battery (13) outside the fuel tank (10). The battery (13) is connected to a pump. (1 4), so that the pump (1 4) can compress the air into a pipeline (1 5) connected to the bottom side of the fuel tank (1 0), and the middle of the pipeline (1 5) is in the fuel tank (1 0) The peripheral device has a pressure switch (16) to regulate the air pressure in the pipeline (Γ5) and indirectly control the air flow rate. At the same time, it can monitor and control the air pressure value in the fuel tank (10) to control the battery ( 1 3) is powered on or off, and the end of the pipeline (1 5) located in the fuel tank (1 0) is provided with a bubble stone (1 7); a gas pipe (2 0), one of the gas pipelines (20) is terminated at the top of the fuel tank (10), above the liquid fuel level, and a flow control valve is provided in the middle of the gas pipeline (20) (2 1); a liquid fuel pipe (30), one of the liquid fuel pipes (30) is terminated at the bottom side of the fuel tank (10), so as to be lower than that of the liquid fuel

513524 _Case No. 89123330_Year Month Date__ V. Description of the invention (3) The liquid level, and the flow control valve (2 1) in the middle of the liquid fuel pipe (30) and the gas pipe (2 0) faces the fuel A selection switch (3 1) is connected between the tanks (10); an engine device (40), the engine device (40) can be used for the gas pipe (20) and the end of the liquid fuel pipe (30) The connection includes a nozzle (4 2) connected to one end of an engine (4 1), and one end of the liquid fuel pipe (30) is connected to the nozzle (4 2), and the nozzle (4 2) A gas shut-off (4 6) and a mixer (4 3) are provided at the outer end, the mixer (4 3) is used for connecting the gas pipe (20), and the mixer (4 3) An air inlet pipe (4 5) is connected to the outer end, and the air inlet pipe (4 5) is different from an air filter (4 4) at the end of the mixer (4 3). As shown in the first figure, in a general state, the pump (1 4) is connected to the pump (1 4) by the gas driven method, and the battery (1 3) of the air intake device (1 2) is connected to compress the pump. Air, in conjunction with the pressure switch (1 6) to control the air pressure, to indirectly control the flow of air into the fuel tank (1 0), to allow air to pass through the bubble stone (1 7), and produce a chemical change with the liquid fuel. Part of the liquid fuel vaporized into gas floats out of the liquid fuel surface, and the vaporized gas is guided out of the gas pipe (20), and passes through the flow control valve (21) to control the intake amount of the vaporized gas Flow into the mixer (4 3) of the engine equipment (40), and the air filter (4 4) on the side of the mixer (4 3) can filter and air is input to the intake pipe (4 5 ) To enter the mixer (4 3) and mix the air with the vaporized gas to a certain ratio, and adjust the mixed gas through the gas shut-off (4 6).

513524 _Case No. 89123330_ Modification of the month of the year _5. Description of the invention (4) The flow of the body into the nozzle (4 2), and the nozzle (4 2) enters the engine (4 1) to ignite and burn to drive the crank To drive the engine, because the vaporized liquid fuel gas can be more evenly mixed with air, and can produce a better fuel ratio, the best state is to use the liquid fuel vaporization method to ignite the engine.

When the engine hot car is started, the liquid fuel is ignited to drive the engine (4 1). As shown in the first figure, the selection switch (3 1) can be used to switch the path to the liquid fuel pipe (3 0), so that the fuel is lost. The gas pipe (20) forms an open circuit, so that the liquid fuel enters the carburetor (42) of the engine equipment (40) along the liquid fuel pipe (30), and the liquid fuel passes through the nozzle (42) Atomization, and the matching air passes through the air cleaner (4 4) along the intake pipe (4 5), the mixer (4 3), and then the gas cut-off door (4 6) adjusts the air into the nozzle (4 2) The flow of fuel, and the nozzle (4 2) and the atomized liquid fuel enter the engine (4 1) for ignition and combustion. When the vehicle is hot, the selector switch (3 1) can be switched to ignite the liquid fuel by vaporizing the fuel. -The engine is driven to achieve the purpose of driving the engine (41) to save fuel and reduce pollution. Control method of air-fuel ratio during switching process and gas-fuel ratio of vaporized gas in fuel tank

System: In the liquid state, the original car computer PC (5 1) controls the connection nozzle (4 2) to adjust the air-fuel ratio, and its control is based on the connection to the oxygen sensor that is locked in the exhaust pipe (4 7). (50) The sensing result is based on the original car's computer PC (5 1) 1: 1 4 · 7 in the liquid state. The oxygen content sensor (50) in the original car is used to detect the content of the exhaust gas. Oxygen concentration

513524 _Case No. 89123330_Year Month Day__ V. Description of the invention (5) The ratio, and therefore the fuel injection amount of the nozzle (4 2) is controlled to achieve the ideal mixture ratio. In the gaseous state, the oxygen concentration in the exhaust gas is detected according to the oxygen sensor (50) of the original vehicle, and transmitted to the system with a gaseous air-fuel ratio control computer according to the signal of the oxygen sensor (50). PC (5 2), gaseous air-fuel ratio control computer PC (5 2) is connected to control the flow control valve (2 1), and the air-fuel ratio is controlled according to the method of 1: 1 5 · 5.

When it is too rich (that is, when the voltage of 0 2 (oxygen) Sens 〇r gas sensor (50) exceeds 0 · 4 5 V), the gas-air-fuel ratio control computer PC (5 2) of this system immediately adjusts the gas state The supply of fuel oscillates up and down between the air-fuel ratio of 1: 1 5 · 5. Gaseous fuel is not easy to start when it is cold, so when it is loaded or cold, the driving power of liquid fuel is better than it should be. In addition, the fuel line switching mechanism is not complicated and professional. As explained above, this system has an independent air-fuel ratio control computer (such as the original car computer PC (5 1), gaseous air, whether in liquid or gaseous state). Fuel ratio control computer PC (5 2)], so fuel selection is only a matter of switching the switch, and does not involve deep technical expertise.

With the above structure, the liquid-gas co-combustion engine driving device of the present invention has the following advantages: This creation is a device that uses liquid fuel to drive the engine, and cooperates with the switch between gas and liquid, and has the effect of assisting in providing a power source. To ensure the stability of engine operation, and the structure of this device can replace the use of conventionally applied petroleum and gas fuel, so as to reduce costs and reduce pollution, and facilitate

Page 8 513524 Case No. 89123330 Revised

Page 9 513524 Case No. 89132330 Revised Schematic Brief Description (1) Schematic part: The first diagram is the combined schematic diagram of the present invention (2) Schematic part: (1 1) Oil cap (1 3) Battery (1 5) Pipeline (17) Bubble stone (2 1) Flow control valve (3 1) Selector switch (4 1) Engine (1 0) Fuel tank (1 2) Air intake device (1 4) Pump (1 6) Pressure switch (2 0) Gas pipe (3 0) Liquid fuel pipe (40) Engine equipment (4 2) Nozzle (4 4) Air filter (4 6) Gas shut-off door (50) Oxygen sensing Device

(4 3) Mixer (4 5) Intake pipe (4 7) Exhaust pipe (5 1) PC of original vehicle PC (5 2) Gaseous air-fuel ratio control computer 卩.

Claims (1)

513524 —-— ^ _ Case No. 89123330_ Year Month _J__ VI. Patent Application Scope 1 · A liquid-gas co-combustion engine drive device, which includes:-a fuel tank containing liquid fuel, the fuel tank One side is provided with an oil cap that can replenish liquid fuel, and the other side is provided with an air inlet device. The air inlet device includes a pipeline connected to the bottom side of the fuel tank, and a bubble stone is provided at the end of the S road in the fuel tank. -A gas pipe, one of which is connected to the inner top of the fuel tank to be higher than the liquid level of the liquid fuel; a liquid fuel pipe, one of which is connected to the bottom side of the fuel tank, and low On the liquid surface of the liquid fuel; an engine device for connecting the gas pipe and the end of the liquid fuel pipe, including an nozzle connected to one end of the engine, and one end of the liquid fuel pipe connected to the Nozzle, outside the nozzle is provided with a mixer 'for the gas pipe to be connected, and the outside end of the mixer is connected with an intake pipe: the engine equipment is equipped with an exhaust pipe, and the exhaust pipe is locked with gas. Perceptron connected to the original car Brain PC and gaseous air-fuel ratio control computer pc; ', an original car computer p-C, which controls the nozzle flow based on oxygen sensor data to control the air-fuel ratio; / ;, a gaseous air-fuel ratio control computer pc in L, based on The oxygen sensor data controls the flow control valve to control the air-fuel ratio. 2 · The liquid-gas co-combustion engine drive device according to item 1 of the scope of the patent application, wherein the air intake device is a battery outside the fuel tank, and the battery is connected to a pump so that the pump can compress the air A pipeline connected to the bottom side of the fuel tank is inserted, and a middle part of the pipeline has a pressure switch outside the fuel tank. 3 · Liquid-gas co-fired bow as described in item 1 or 2 of the scope of patent application 丨 Engine Page 11 513524 Case No. 89123330 Amendment 6. Scope of patent application The driving device, wherein a selective switch is provided between the liquid fuel pipe and the gas pipe. Device 4 · Driven by a liquid-gas co-combustion engine as described in item 3 of the scope of the patent application, wherein a flow control valve is provided in the middle of the gas pipe. 5 Installations. Device • Driven by a liquid-gas co-combustion engine as described in item 4 of the scope of the patent application, where the air intake pipe is different from the mixer with an air filter at the end. • Liquid-gas co-combustion as described in item 5 of the scope of the patent application The engine is driven by a gas stopper capable of adjusting the gas flow rate between the nozzle of the engine equipment and the mixer. Page 12