Fuel oil composite injection mechanism for automobile petrol engine as well as mode thereof
An injection mechanism, gasoline engine technology, applied in fuel injection control, machine/engine, mechanical equipment, etc., can solve the problems of atomization and port injection ratio deterioration, HC emission deterioration, etc., to improve gasoline combustion, reduce emissions, The effect of reducing fuel consumption
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[0014] Embodiment 1: The fuel compound injection mechanism of a gasoline engine for a vehicle and its method of this embodiment. As shown in Figure 1, the fuel compound injection mechanism of a gasoline engine for a vehicle includes a combustion chamber 1, an intake port 2, an intake manifold 3, and a high pressure injection. The fuel injector 4, the low pressure fuel injector 5, the high pressure fuel injector 4 is installed below each intake port 2, the low pressure fuel injector 5 is installed on the branch pipe of each cylinder of the intake manifold 3, the low pressure fuel injector 5, The high-pressure fuel injector 4 is controlled by an electronic control unit to complete various working conditions, such as injection, non-injection, and the amount of injection.
[0015] The compound injection method of the fuel compound injection mechanism of a gasoline engine for vehicles includes the following steps:
[0016] (1). In the starting condition, the high-pressure injector 4 do...
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