Atomizing enhanced carburetor for reduced emissions

Abstract

This invention discloses an atomization-enhanced carburetor for reducing emissions, comprising a carburetor body with an intake chamber, a throat, and a vacuum chamber. The intake chamber is connected to an air filter. The throat is located between the intake chamber and the vacuum chamber. Fuel is injected into the vacuum chamber through a fuel injection point at the throat. The vacuum chamber is connected to an intake manifold. A fuel atomization enhancement component is arranged around the fuel injection point to fully atomize the fuel. This invention discloses an atomization-enhanced carburetor for reducing emissions, which optimizes and improves the structure of existing carburetors. After the fuel is injected by the fuel injector, the injected fuel is further atomized, improving the fuel atomization effect, thereby improving engine combustion efficiency, ensuring complete combustion, improving fuel economy, reducing hydrocarbon emissions, improving safety in confined environments, and being more environmentally friendly and energy-saving.

Description

Technical Field

[0001] This invention relates to the field of engine component technology, and specifically to an atomization-enhanced carburetor for reducing emissions. Background Technology

[0002] A carburetor is a mechanical device that mixes gasoline and air in a specific ratio under the vacuum generated by the engine. As a precision mechanical device, the carburetor utilizes the kinetic energy of the intake airflow to atomize the fuel. A complete carburetor system should include a starting mechanism, an idling mechanism, a medium-load mechanism, a full-load mechanism, and an acceleration mechanism. The carburetor automatically prepares and outputs the appropriate amount of air-fuel mixture according to the different operating conditions of the engine. To ensure a relatively uniform mixture, the carburetor also atomizes the fuel for proper engine operation.

[0003] Traditional carburetors utilize the engine's vacuum and the kinetic energy of the intake air to atomize fuel. The gasoline sprayed from the fuel injector is not atomized more thoroughly by other atomizing structures, resulting in incomplete fuel atomization, low engine combustion efficiency, poor fuel economy, and high hydrocarbon content in the exhaust gas. This poses a significant safety hazard when used in confined spaces.

[0004] Therefore, to solve the above problems, an enhanced atomization carburetor is needed to reduce emissions. Based on the existing carburetor, its structure is optimized and improved to further enhance the atomization of the fuel after the fuel injector has finished injecting the fuel, thereby improving the atomization effect of the fuel, improving the combustion efficiency of the engine, ensuring complete combustion, improving fuel economy, reducing hydrocarbon emissions, improving safety in confined environments, and making it more environmentally friendly and energy-saving. Summary of the Invention

[0005] In view of this, the purpose of this invention is to overcome the defects in the prior art and provide an atomization-enhanced carburetor for reducing emissions. Based on the existing carburetor, its structure is optimized and improved to further enhance the atomization of the injected fuel after the fuel injector has completed the injection, thereby improving the fuel atomization effect, improving the combustion efficiency of the engine, ensuring complete combustion, improving fuel economy, reducing hydrocarbon emissions, improving safety in confined environments, and making it more environmentally friendly and energy-saving.

[0006] The present invention relates to an atomization-enhanced carburetor for reducing emissions, comprising a carburetor body having an intake chamber, a throat, and a vacuum chamber. The intake chamber is connected to an air filter. The throat is located between the intake chamber and the vacuum chamber. Fuel is injected into the vacuum chamber through a fuel injection point at the throat. The vacuum chamber is connected to an intake manifold (through which the fully mixed fuel-air mixture in the vacuum chamber is delivered to the engine cylinder for compression combustion). A fuel atomization enhancement component is arranged around the fuel injection point to fully atomize the fuel.

[0007] Furthermore, the atomization enhancement component includes a fuel injection pipe and an orifice plate. The fuel injection pipe is used to draw fuel from the float chamber into the vacuum chamber, and part of the fuel injection pipe extends into the throat. The orifice plate is disposed at the fuel outlet of the fuel injection pipe, and the orifice plate performs the first atomization of the fuel injected from the fuel injection pipe.

[0008] Furthermore, the orifice plate has multiple small holes for oil outlet on its surface. The small holes are distributed in a ring array or other manner. To improve the uniformity of oil spraying, a ring array distribution is generally adopted. The sum of the oil outlet areas of the multiple small holes is not less than a set value to avoid excessive oil spraying pressure.

[0009] Furthermore, the pipe wall into the throat section of the fuel injection pipe is provided with multiple wall holes for improving fuel atomization. The multiple wall holes are evenly arranged along the pipe wall to reduce the fuel injection pressure.

[0010] Furthermore, the atomization enhancement component also includes an inner throat located at the throat. The inner throat is a cylindrical tube surrounding the extension section of the fuel injection pipe, with its two ends corresponding to the intake chamber and vacuum chamber, respectively. Multiple atomization holes for improving fuel atomization are formed on the inner throat at the outlet wall of the fuel injection pipe. For ease of machining, a positioning surface is machined on the outer wall of the inner throat to facilitate machining and opening. This simplifies machining, significantly improves atomization, enhances engine combustion efficiency, and improves fuel economy.

[0011] Furthermore, an atomizing plate is provided on the end face of the inner throat near the vacuum chamber. The atomizing plate has holes for improving fuel atomization. The fuel injected from the injection pipe is initially atomized through the orifice plate and wall holes before being injected into the pipe of the inner throat. It is then atomized again through the atomizing holes of the inner throat and the atomizing plate before entering the vacuum chamber to fully mix with air to form a fuel-air mixture. This greatly ensures the full atomization of the fuel without increasing the fuel injection pipe's outlet pressure, thus improving engine combustion efficiency.

[0012] Furthermore, the atomization enhancement hole includes a central hole on the inner side of the atomizing plate and a side hole on the outer edge of the atomizing plate. The central position of the atomizing plate contacts a larger amount of fuel. Making the central hole larger can ensure sufficient oil passage area. Without changing the purpose of the invention, the atomizing plate can also be an atomizing mesh.

[0013] Furthermore, the diameter of the central hole is larger than the diameter of the side hole, and the oil flow rate at the side hole position is smaller. Therefore, the diameter of the side hole is appropriately reduced slightly.

[0014] The beneficial effects of this invention are as follows: This invention discloses an atomization-enhanced carburetor for reducing emissions. By optimizing and improving the structure of the existing carburetor, the atomization of the injected fuel is further enhanced after the fuel injector completes the injection, thereby improving the fuel atomization effect, increasing the combustion efficiency of the engine, ensuring complete combustion, improving fuel economy, reducing hydrocarbon emissions, improving safety in confined environments, and making it more environmentally friendly and energy-saving. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present invention;

[0017] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;

[0018] Figure 3 This is a schematic diagram of the fuel injection pipe in the first embodiment of the present invention;

[0019] Figure 4 for Figure 3 A schematic diagram of the cross-sectional structure;

[0020] Figure 5 This is a schematic diagram of the perforated plate in the first embodiment of the present invention;

[0021] Figure 6 This is a schematic diagram of the structure of the second embodiment of the present invention;

[0022] Figure 7 for Figure 6 A schematic diagram of the cross-sectional structure;

[0023] Figure 8 This is a schematic diagram of the fuel injection pipe in the second embodiment of the present invention;

[0024] Figure 9 for Figure 8 A schematic diagram of the cross-sectional structure;

[0025] Figure 10This is a schematic diagram of the structure of the third embodiment of the present invention;

[0026] Figure 11 for Figure 10 A schematic diagram of the cross-sectional structure;

[0027] Figure 12 for Figure 10 A schematic diagram of the cross-sectional structure;

[0028] Figure 13 for Figure 10 A schematic diagram of the cross-sectional structure;

[0029] Figure 14 This is a schematic diagram of the structure of the fourth embodiment of the present invention;

[0030] Figure 15 for Figure 14 The front view;

[0031] Figure 16 for Figure 15 A schematic diagram of the cross-sectional structure;

[0032] Figure 17 for Figure 15 A schematic diagram of the cross-sectional structure;

[0033] Figure 18 This is a schematic diagram of the structure of the fifth embodiment of the present invention;

[0034] Figure 19 for Figure 18 A front view structural diagram;

[0035] Figure 20 for Figure 19 A schematic diagram of the cross-sectional structure;

[0036] Figure 21 This is a schematic diagram of the atomizing plate in the fifth embodiment of the present invention. Detailed Implementation

[0037] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present invention. Figure 2 for Figure 1 A cross-sectional structural diagram. Figure 3 This is a schematic diagram of the fuel injection pipe in the first embodiment of the present invention. Figure 4 for Figure 3 A cross-sectional structural diagram. Figure 5 This is a schematic diagram of the perforated plate in the first embodiment of the present invention. Figure 6 This is a schematic diagram of the structure of the second embodiment of the present invention. Figure 7 for Figure 6 A cross-sectional structural diagram. Figure 8 This is a schematic diagram of the fuel injection pipe in the second embodiment of the present invention. Figure 9 for Figure 8 A cross-sectional structural diagram. Figure 10 This is a schematic diagram of the structure of the third embodiment of the present invention. Figure 11 for Figure 10 A cross-sectional structural diagram. Figure 12 for Figure 10 A cross-sectional structural diagram. Figure 13 for Figure 10 A cross-sectional structural diagram. Figure 14 This is a schematic diagram of the structure of the fourth embodiment of the present invention. Figure 15 for Figure 14 Front view, Figure 16 for Figure 15 A cross-sectional structural diagram. Figure 17 for Figure 15 A cross-sectional structural diagram. Figure 18 This is a schematic diagram of the structure of the fifth embodiment of the present invention. Figure 19 for Figure 18 A front view structural diagram, Figure 20 for Figure 19 A cross-sectional structural diagram. Figure 21 The figure shows a schematic diagram of the atomizing plate in the fifth embodiment of the present invention. As shown, the atomization-enhanced carburetor for reducing emissions in this embodiment includes a carburetor body 1. The carburetor body 1 has an intake chamber 2, a throat 7, and a vacuum chamber 4. The intake chamber 2 is connected to an air filter. The throat 3 is located between the intake chamber 2 and the vacuum chamber 4. Fuel is injected into the vacuum chamber 4 through the injection point at the throat 3. The vacuum chamber 4 is connected to the intake manifold (the intake manifold delivers the fully mixed fuel-air mixture in the vacuum chamber 4 to the engine cylinder for compression combustion). A fuel atomization enhancement component is arranged around the injection point. The fuel atomization enhancement component is used to fully atomize the fuel.

[0038] In this embodiment, the atomization enhancement component includes a fuel injection pipe 5 and an orifice plate 6. The fuel injection pipe 5 is used to draw fuel from the float chamber into the vacuum chamber 4 and the fuel injection pipe 5 extends into the throat 3. The orifice plate 6 is disposed at the fuel outlet of the fuel injection pipe 5 and performs the first atomization of the fuel injected by the fuel injection pipe 5.

[0039] In this embodiment, the orifice plate 6 has multiple small holes 6a for oil outlet on its surface. The small holes 6a are distributed in a ring array or other manner. In order to improve the uniformity of oil spraying, a ring array distribution is generally adopted. The sum of the oil outlet areas of the multiple small holes 6a is not less than a set value to avoid excessive oil spraying pressure.

[0040] In this embodiment, the pipe wall of the fuel injection pipe 5 extending into the throat 3 section is provided with a plurality of wall holes 5a for improving fuel atomization. The plurality of wall holes 5a are evenly arranged along the pipe wall to reduce the fuel injection pressure.

[0041] In this embodiment, the atomization enhancement component further includes an inner throat 7 disposed at the throat 3. The inner throat 7 is a cylindrical tube surrounding the extension section of the fuel injection pipe 5, and its two ends correspond to the intake chamber 2 and the vacuum chamber 4, respectively. Multiple atomization holes 7a for improving fuel atomization are formed on the inner throat 7 at the pipe wall corresponding to the fuel outlet of the fuel injection pipe 5. For ease of processing, a positioning surface is machined on the outer pipe wall of the inner throat 7 to facilitate machining and opening. This simplifies processing, greatly improves the atomization effect, enhances engine combustion efficiency, and improves fuel economy.

[0042] In this embodiment, an atomizing plate 8 is provided on the end face of the inner throat 7 near the vacuum chamber 4. The atomizing plate 8 has holes for improving fuel atomization. The fuel injected from the injection pipe 5 is initially atomized by the orifice plate 6 and the wall hole 5a and then injected into the pipe of the inner throat 7. After being atomized again by the atomizing hole 7a of the inner throat 7 and the atomizing plate 8, it enters the vacuum chamber 4 and mixes fully with the air to form a fuel-air mixture. This greatly ensures the full atomization of the fuel and does not increase the fuel outlet pressure of the injection pipe 5, thereby improving the engine combustion efficiency.

[0043] In this embodiment, the atomization enhancement hole includes a central hole 8a opened on the inner side of the atomizing plate 8 and a side hole 8b opened on the outer edge of the atomizing plate 8. The central position of the atomizing plate 8 contacts a larger amount of fuel. Making the central hole 8a larger can ensure sufficient oil passage area. Without changing the purpose of the invention, the atomizing plate 8 can also be an atomizing mesh.

[0044] In this embodiment, the diameter of the central hole 8a is larger than the diameter of the side hole 8b, and the oil flow rate at the side hole 8b position is smaller. Therefore, the diameter of the side hole 8b is appropriately reduced slightly.

[0045] This invention discloses an enhanced atomization carburetor for reducing emissions. By optimizing and improving the structure of existing carburetors, the atomization of the fuel injected after the fuel injector completes the injection is enhanced, thereby improving the atomization effect of the fuel, improving the combustion efficiency of the engine, ensuring complete combustion, improving fuel economy, reducing hydrocarbon emissions, improving safety in confined environments, and making it more environmentally friendly and energy-saving.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A carburetor with enhanced atomization for reducing emissions, characterized in that: The carburetor includes a carburetor body, which has an intake chamber, a throat, and a vacuum chamber. The intake chamber is connected to an air filter. The throat is located between the intake chamber and the vacuum chamber. Fuel is injected into the vacuum chamber through a fuel injection point at the throat. The vacuum chamber is connected to an intake manifold. A fuel atomization enhancement component is arranged around the fuel injection point. The fuel atomization enhancement component is used to fully atomize the fuel. The atomization enhancement component includes a fuel injection pipe and an orifice plate. The fuel injection pipe is used to draw fuel from the float chamber into the vacuum chamber and a portion of the fuel injection pipe extends into the throat. The orifice plate is disposed at the fuel outlet of the fuel injection pipe. The perforated plate has multiple small holes for oil discharge on its surface; The wall of the fuel injection pipe extending into the throat section is provided with a plurality of wall holes for improving fuel atomization, and the plurality of wall holes are evenly arranged along the pipe wall. The atomization enhancement component also includes an inner throat located at the throat. The inner throat is a cylindrical tube that wraps around the extension section of the fuel injection pipe. The two ends of the inner throat correspond to the air intake chamber and the vacuum chamber, respectively. The inner throat has multiple atomization holes for improving fuel atomization at the pipe wall corresponding to the fuel outlet of the fuel injection pipe. An atomizing plate is provided on the end face of the inner throat near the vacuum chamber, and the atomizing plate is provided with holes for improving fuel atomization and enhancing atomization. The atomization enhancement hole includes a central hole opened on the inner side of the atomization plate surface and a side hole opened on the outer edge of the atomization plate surface. The diameter of the central hole is larger than the diameter of the side holes.

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