Integrated fuel layering variable jetting device
An injection device and integrated technology, applied in the direction of fuel injection device, fuel injection control, charging system, etc., can solve the problems of slow flame conduction, poor shock resistance, scattered component layout, etc., achieve fast and sufficient combustion, and reduce harmful gases. Emissions, the effect of improving power performance
Inactive Publication Date: 2008-07-02
SOUTHWEST UNIV
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Problems solved by technology
The main reason is that each fuel injection process is not accurately stratified and variable controlled, and the proportion of combustible mixture in the cylinder is unreasonable, resulting in slow flame conduction, insufficient combustion, unsatisfactory emission, and poor shock resistance, which is easy to cause knocks. Moreover, the layout of the components is scattered and the integrity is poor
Method used
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Embodiment 1
[0016] Embodiment one: see figure 1 , Figure 2, Figure 3, Figure 4 As shown in Fig. 5, the fuel injection nozzle 5 and the throat pipe 6 are installed on the top of the oil separator seat 1, and the fuel injection nozzle 5 and the throat pipe 6 are communicated; the first stepping motor 12 is installed on the throat pipe 6, and The rotating shaft of the first stepping motor is connected with the throttle rotating shaft 13 installed in the throat pipe, and the first stepping motor is connected with the electronic control unit through wires;
[0017] Connect the oil pump seat 3 to the right side of the oil separator seat 1, and the oil inlet pipe 4 is connected to the oil pump seat 3, and communicate with the oil inlet of the oil pump and the oil return channel in the inner cavity of the oil separator seat; connect the overflow valve 14 Installed at the front of the oil return channel, the adjusting gear rod 15 of the overflow valve cooperates with the gear 17 on the shaft end...
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The present invention relates to an integrated fuel oil stratified variable spraying device. It includes fuel oil distributor seat, pressure-stabilizing fuel oil tank, fuel oil pump seat, and fuel oil inlet tube connected with the fuel oil pump seat, fuel oil spraying nozzle connected with fuel oil distributor seat and throat tube communicated with said fuel oil spraying nozzle. It is characterized by that in the internal cavity of fuel oil distributor seat the fuel oil pump and fuel oil distributing disk are set, the internal cavity of fuel oil distributor seat is communicated with the pressure-stabilizing fuel oil tank, in the pressure-stabilizing fuel oil tank interior a motor is set, its rotating shaft is extended into the internal cavity of the fuel oil disctributor seat and is matched and connected with the fuel oil distributing disk and fuel oil pump, the fuel oil distributing holes positioned on the wheel edge of said fuel oil distributing disk are correspondently communicated with the fuel oil spraying nozzle, on the fuel oil distributor seat a Hall rotating speed sensor is set, and on the throat tube a stepmotor fit with throttle rotating shaft is set.
Description
technical field [0001] The invention relates to an engine fuel injection device, in particular to an integrated fuel stratified variable injection device. Background technique [0002] In order to solve the problem that the mass distribution of air and mixed gas in the carburetor engine is not ideal, which affects the improvement of the power and economy of the engine and the improvement of emissions, people have been looking for other better ways to form the mixed gas and device. In recent years, in order to meet the increasingly stringent requirements of automobile emission regulations, some countries have adopted a mixture formation system that directly injects gasoline into the intake pipe, that is, the electronically controlled injector is installed at the intake port of the engine, and is controlled by an electronic control unit. , has successfully replaced carburetor feed systems and is increasingly used in passenger cars and light vehicle engines. Although the mode...
Claims
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IPC IPC(8): F02D41/30F02M41/06
Inventor 薛荣生林毓培刘伟
Owner SOUTHWEST UNIV